My science fair project is growing bacteria from food that is left out and seeing how much the bacteria increases over time. How would I write my hypothesis?

192,012 results, page 13

  1. math

    femi spent 1/4 of his money on transportation, 2/5 of it on food and has #700.00 left. how much did he start with
  2. English

    Write the correct form of the verb in parentheses that completes each sentence. 1. Samuel has (take) supplies with him this time. 2. He had (throw) out everything last time. 3. The food supplies had (go) bad without refrigeration. 4. Samuel has (drive) to the lake in every ...
  3. 7th grade

    for a science project what questions can you ask about things that has to do with scientific process and how to solve it through forming hypothesis and give evidence about it like a question about population or something..
  4. science

    Suppose that the 1.3 km span of the Golden Gate Bridge had no expansion joints. Calculate how much longer the bride would be if the temperature of the bridge increases by 35°C.
  5. History

    How did the missouri compromise attempt to settle the debate over the future of slavery in the growing american republic? I have to write an essay and I just want to get an idea.
  6. math

    there are fewer than 6 dozen eggs in a basket. If I count them by 2's there is 1 left over. If I count them by 3's there are 2 left over Three are left if I count by 4s. Four are left if I count by 5s. how many egs are there
  7. Biology

    I would like some help if that is OK, like soon!:) 1.) A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faster. They grow one group of bean plants in the presence of the compound and another group in the absence of the compound. ...
  8. literature

    My daughter is doing a diary project on homer's odyssey. I would like to ask her some questions to encourage her to write more but I have not read the book.I am hoping to get some summary points to guide me in directing her to elaborate on her points below. In a very small ...
  9. Chemistry

    Thinking about the uses of radioactive isotopes, which statement is true? A. The iodine isotope, I-27, is used to diagnose thyroid disorders. B. Radiation may be detected because it ionizes the atoms it affects. C. It’s clearly understood that irradiating food kills bacteria...
  10. Math

    The table below shows the number of marbles of different colors in a box. A fair coin is shown below the table. Color of Marble Number Red 10 Blue 1 Green 5 Pink 4 A coin Dan selects a marble from the box randomly without looking and then tosses the fair coin. What is the ...
  11. math

    1.2(y + 1) for y = 2 A. 6 B. 5 C. 7 D. 8 Is it “A”? 2. The cost in dollars of a school banquet is 74 + 12n, where n is the number of people attending. What is the cost for 52 people? A. $550 B. $698 C. $624 D. $138 Is it “B”? 3. Write a word phrase for p / 3. A. a ...
  12. Science/Math

    I have to figure out what percentasge of time each cell is in a phase. I have 5 phases. That equal to 36 cells in each phase. 1st phase 20 cells 2nd phase 10 cells 3rd phase 3 cells 4th phase 2 cells 5th pase 1 cell. This is based on a 24 hour period and each cell added ...
  13. math

    You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. Write an inequality that demonstrates how much money you will be willing to spend on the project. Suppose you want to cover the backyard with decorative rock and plant some ...
  14. Life Management

    Under this Act, you have the right to see the credit history maintained by a credit bureau about you (i.e. seeing your credit report), and under certain conditions they must provide you with a copy of your report free of charge. a. Fair Credit Reporting Act*** b. Truth in ...
  15. College math HELP!!!!!

    A financier plans to invest up to $450,000 in two projects. Project A yields a return of 10% on the investment, whereas Project B yields a return of 15% on the investment. Because the investment in Project B is riskier than the investment in Project A, the financier has ...
  16. Statistics

    Based on sq foot and home prices :Create an inferential statistics (hypothesis) test using the research question and two variables your learning team developed for the Week 2 Business Research Project Part 1 assignment. Include: The research question Mock data for the ...
  17. English

    I just wanted to add a few more things. I urgently need to express them. 1) We keep emailing each other (two people involved) in English because we both agreed to use English as the lingua franca. 2) Therefore, we must vary the application module; otherwise, both our students ...
  18. Algebra I

    Use one unit multiplier to write the expression needed to convert 42 meters to centimeters? It also said;Do not carry out the actual multiplication. So do I just write my answer 42m over 1 x 100cm over 1m? Thank You for your help.
  19. Leopard Consevation

    I am doing a project at school for Science Fair. I need to talk to a expert about the following breeds of leopard, Amur Leopard Clouded Leopard Snow Leopard
  20. Personal Finance

    Nancy Tai has recently opened a revolving charge account with MasterCard. Her credit limit is $1000, but she has not charged that much since opening the account. Nancy hasn't had the time to review her monthly statements as promptly as she should, but over the upcoming weekend...
  21. Biology

    Hi, I was looking at phylogenetic trees and I was wondering, how do u root the universal tree of life? Like for eukurya, archea, abd bacteria.. how do we know where to put the root? thanks!
  22. Science 8

    I need help on this portfolio project, I have to do a lab report on light refraction. The research question is "How does change in medium affect light?" and I need to make a hypothesis, but I don't know what to put.
  23. Managerial finance

    Superior Manufacturing is lauching a new product, that is expected to sell $950,000 of its new product the first year alone, and $1,500,000 each year thereafter. Direct cost labor and materials will be 55% in sales.indirect cost is $80,000 a year, the project requires a new ...
  24. Finance

    Thomson Media is considering some new equipment whose data are shown below. The equipment has a 3 year tax life and would be fully depreciated by the straight line method over 3 years but it would have a positve pre-tax salvage value at the end of year 3, when the project ...
  25. Finance

    Thomson Media is considering some new equipment whose data are shown below. The equipment has a 3 year tax life and would be fully depreciated by the straight line method over 3 years but it would have a positve pre-tax salvage value at the end of year 3, when the project ...
  26. math

    why are bacteria bad at math? its a worksheet.
  27. engineering

    How is bacteria used in genetic engineering?
  28. Math

    Which is NOT true about the Table? x: 1 | 2 | 3 | 4 | y: 1 | 4 | 9 | 16 | A. it shows a linear function B. x increases by 1 each time C. the rate of change is not constant D. y increases by a different value each time D please check
  29. English

    I left out this last variation. The participating pupils will take turns informing not only their classmates but pupils from all classes, whether in the project or not, about the activities of the project, as well as their results. Can you consider also this possibility, ...
  30. English

    I forgot to add these few more things. They are really urgent. Thank you. 1) I told my collegues about the possibility of carrying out a Comenius project on how to write the screenplay and shoot (make) a film. 2) As a matter of fact, they would rather be involved in a project ...
  31. Statistics

    A severe storm has an average peak wave height of 16.4 feet for waves hitting the shore. Suppose that a storm is in progress with a severe storm class rating. Let us say that we want to set up a statistical test to see if the wave action (i.e., height) is dying down or getting...
  32. Math

    At a fair milk sales total 20,000 gallons. If the fair runs for 10 days what would be the average number of gallons sold each day? Then how many 8 ounce cups per day would that be? Lastly, if 1 cup of milk costs $1.25 about how much money per day is made in milk sales?
  33. accounting

    A company borrows 5mil for a construction project @12% then invest the whole amount @11% until payments are due. During the year it incurs cost of 4mil evenly for the project. How much interest revenue would it recognize?
  34. Biology

    what enzyme do bacteria se to break down starches? List the three protozoan kingdoms. Which of thse kingdomsdo the slime molds belong to? what is the unique mode of reproduction that is characteristic of the scyphozoans?
  35. Microbiology

    Live cultures of Bacillus thuringiensis (Dipel) and B. subtilis (Kodiak) are sold as pesticides.What bacterial structures make it possible to package and sell these bacteria? For what purpose is each product used?
  36. biology

    1.Why do Bacteria and yeast synthesize fatty acids with more cis-double bonds when surrounding temperature drops? 2.Despite fluidity of bilayer, why do liposomes not fuse spontaneously with one another?
  37. Science check my answers please

    1. Convert 4.0 kilometers (km) to meters (m). (1 point) 0.04 m 40 m 400 m 4,000 m (my answer) 2. For his science project, Austin wants to determine if the pH of standing rainwater changes over time. He collects a jar of rainwater and places it indoors in a spot that does not ...
  38. Calculus

    The population of bacteria in one cubic centimeter of the blood of a sick person has been modeled by the function P(t) = 80t(0.86^t) where t is the time, in days, since the person became ill. I was able to answer all of the questions besides, Estimate how fast the population ...
  39. algebra

    a farmer is taking her eggs to market in her cart, but she hits a pothole, whick knocks over all the containers of eggs. Though she herself is unhurt, every egg is broken. So she goes to the insurance agent who asks her how many eggs she had. She says she doesnt know, but she ...
  40. Foreign languages

    I left out this sentence. Thank you very much. Write an email to your friend (120 words) telling him/her about your week so far and how you are going to spend your summer holidays.
  41. Stastics

    In a statistical hypothesis test, how is the rejection region impacted when α, the level of significance, is increased? a.The answer depends on the value of β b.The size of the rejection region decreases c.The size of the rejection region increases d.The rejection ...
  42. Pre-Algebra

    The cost y (in dollars0 to provide food for guests at a dinner party is proportional to the number x of guests attending the party. it costs $30 to provide food for 4 guests. a. Write an equation that represents the situation. b. Interpret the slope. c. How much does it cost ...
  43. Physic

    How can we describe some object in astronomy? Can we either prove or disprove a hypothesis? If not, what can we do? How have theories developed over time?
  44. Earth Science

    My child is doing a project on the earth. He is trying to do a power point presentation on the earth. He ran across information that stated, "The earth is divided into several layers which have distinct chemicals and seismic properties". He would like to know something that he...
  45. English Project

    This is a final project In accordance to the book In the Heat of the NGht by John Ball. -must create a newspaper that contains an article basically stating the murder mystery in the book, 2 ads and another article irrelevant to the story that depicts the theme of prejudice. I ...
  46. algebra

    The cost y (in dollars) to provide food for guests at a dinner party is proportional to the number x of guests attending the party. IT costs $30 to provide food for 4 guests. a. Write an equation that represents the situation. b. Interpret the slope. c. How much does it cost ...
  47. Math

    The amount of money Kylie spends on food to the amount she spends on gas per week is 7:4. She spends $45 more on food than gas. How much does she spend on food? How much does she send on gas? On one of the weeks, she spends an additional $75 on food for a dinner party. What is...
  48. math

    A town has a population of 2000 people at time t = 0. In each of the following cases, write a formula for the population, P, of the town as a function of year t. (a) The population increases by 60 people per year. I thought it would be P= 2000 (1.03)^t (b) The population ...
  49. Science

    According to the fossil record shown, how did the Bighorn Basin environment change from 55.85 to 55.75 million years ago? Highlight the correct answer choice. (1 point) A. Over time, less plant life covered the basin. B. Over time, more plant life covered the basin. C. Over ...
  50. math

    A teacher from Anderson Middle School printed k nametags in preparation for the science fair. Half of the nametags were given out to students and 100 nametags were given out to parents. Three-fifths of the remaining nametags were given out to teachers and contests judges. How ...
  51. English

    Devil in the White City Chicago World's Fair benefits and downfalls... I need to write an essay on The Devil in the White City. I read the book and i have a pretty firm grasp on it, but im still having trouble finding events and ideas that occur that happen in the Gilded Age ...
  52. Calc 2 college

    Modeling with differential equations. If a bacteria culture doubles every 10 minutes and the original culture has 300 cells determine the rate of growth.
  53. Math

    In a certain culture of bacteria, the rate of increase is proportional to the number present. If there are 10000 at the end of 3hours and 40000 at the end of 5hours,how many were there in yhe beginning?
  54. Science - Volcanos

    In science were doing volcanos, earthquakes, tectonic plates and things like that. I'm looking for a site or perhaps you could tell me, a site that show how volcanos are awoken and erupt and stop bu not in so much detail like wikipedia. That was a nightmare. Its to write a ...
  55. Science

    Science project: how does the type of liquid affect weathering. Where do I find info on this subject? I am not sure what questions to ask/answer to start this project
  56. financial managment

    Capital Budgeting and Cash Flow Estimation After seeing Snapple’s success with noncola soft drinks and learning of Coke’s and Pepsi’s interest, Allied Food Products has decided to consider an expansion of its own in the fruit juice business. The product being considered ...
  57. Biology

    For one of our lab sessions, we had to isolate DNA from E. Coli bacteria. During one of the steps in the isolation process, we had to use SDS(Sodium lauryl sulfate) at 60°C. One of the questions was: Why do we use SDS, and why at this temperature. I already found out that SDS...
  58. English

    Thank you very much for your last corrections. Here are some more sentences about Christmas holidays I would like you to check. 1) How long did your Chrismas holidays last? 2) How long did it take you to eat your Christmas lunch? OR How much time (How long) did you spend ...
  59. Physical Science

    I'm still working on getting a fireman to come out to the school to demonstrate a radioactive detector. No luck so far. This is for a project on Marie Curie. Any other suggestions would be greatly appreciated.
  60. Fucntion Changes

    I am having some trouble figuring out to find where a graph decreses and increases. These are the directions: Identify the intervals where the functionis changing as requested. 5. On this graph it wants to find where it is increasing. How would I find out where the graph ...
  61. Microbes and Society

    Which of the following is the correct sequence of steps in the scientific method? a. observation - prediction - hypothesis - observation - hypothesis b. hypothesis - observation - prediction - hypothesis - observation wrong c. observation - hypothesis - prediction - ...
  62. Proofs and numbers

    Imagine you are an old Chinese scholar teaching Proof and Numbersto Chinese princes. When you group your pupils in rows of five, two are left over. If you group them in eights, only one is left over. So you try it with rows of nine, but now you are left with seven pupils. What...
  63. Biology

    In the final step of DNA extraction from E. Coli bacteria, we used ethanol so that the DNA would precipitate. Why is it that DNA precipitates in ethanol, and not in water? Both of them are polar solvents, and so is DNA. So why doesn't water make DNA precipitate?
  64. Science

    When oxygen is present a. most cells utilize aerobic cellular respiration. b. most animal cells will carry on fermentation and produce lactic acid. c. most bacteria and yeasts carry on fermentation. d. two ATP molecules are produced for each glucose molecule. e. most animals ...
  65. math: please help

    The luncheon special at Little Jimmy's costs $4.89. The lunch bunch has $23.50 in it's account. What is the greatest number of luncheon specials they can buy with the money in their luncheon account? I got 4 lunches with about $0.80 left over. Is that correct? 4 lunches is ...
  66. Physical Science

    A 0.6-g peanut is burned beneath 50 g of water, which increases in temperature from 22degreesC to 50 degreesc. What is the exact food value of the peanut? (Assuming a 40% efficiency)
  67. science fair ideas

    What are some really good/cool science fair ideas?
  68. math homework

    Problem Design an experiment that uses color to modify human behavior. I. Understand the Problem (a) Discuss how the graph of wavelengths versus eye sensitivity relates to this problem. Answer: (b) Write down a hypothesis for this problem. Answer: II. Devise a Plan (c) ...
  69. algebra

    The cost y (in dollars) to provide food for guests at a dinner party is proportional to the number x of guests attending the party. IT costs $30 to provide food for 4 guests. a. Write an equation that represents the situation. b. Interpret the slope. c. How much does it cost ...
  70. English writing an e-mail

    please check this for me thanks very much. I need to write write an e-mail based on the following scenario (create it as a regular Word document , rather than as a"real" e-mail. Your boss has asked you to set up a meeting with a client, Joceyln Talbot, for next Wednesday at 2:...
  71. social studies

    your town or city is oing to have a culture fair. the fair will introduce people to new cultures. it will also introduce people to new cultures. it will also introduce people to diffferent culures within the United States. write a public service message for a local radio ...
  72. Environmental Science

    H.B.D. Kettlewell observed that peppered moths in the forests of England were becoming darker in color over time. In addition, he observed that pollution had turned the tree trunks black. He thought it would be easy for birds to spot and capture light-colored moths resting on ...
  73. Math Word Problem

    A teacher from Anderson Middle School printed k nametags in preparation for the science fair. Half of the nametags were given out to students and 100 nametags were given out to parents. Three-fifths of the remaining nametags were given out to teachers and contests judges. How ...
  74. science

    most bacteria are A) unicellular eukaryotes B) unicellular prokaryotes C) multicellular eukaryotes D) multicellular prokaryotes
  75. English

    I left out these last three sentences. I hope you can have a look at them, too. 1) I think you should tell Paul's parents that he steals things. You should talk to him before reporting him to the police. 2) I think you should wait till your birthday or Christmas and then ask ...
  76. Science-check my answers plz

    Which of the following explains why sunlight is important to aquatic ecosystems? Sunlight provides a source of heat energy to increase water temperatures. Sunlight keeps harmful bacteria from taking over aquatic ecosystems. Sunlight makes it possible for aquatic predators to ...
  77. math

    A cat owner wants to put equal amounts of food into dishes. If she has 3as a hole number. 2 over 3 as a fraction unces of cat food how many ounces will each food dish get
  78. math

    there are fewer than 6 dozen eggs in a basket. if i cout them by 2s, there is obne left over. if i count by 3s, there are 2 left over. three are left if i count them by 4s. four are left if i count by 5s. how many eggs are there
  79. Computer science

    As a member of the Information Security team at a small college, you have been made the project manager to install an access control system (ACS) in a dormitory. The ACS will automatically unlock the dormitory doors via an electronic proximity reader and integrate with an ...
  80. Computer science

    As a member of the Information Security team at a small college, you have been made the project manager to install an access control system (ACS) in a dormitory. The ACS will automatically unlock the dormitory doors via an electronic proximity reader and integrate with an ...
  81. college

    You're thinking of investing in a automation project to reduce cost of production. -Investment in Fixed Assets: $900,000 at t=0; salvage value of $300,000 at t=6; straight line deprectiation over 6 years (assume book value is 0 at t=6) -Investement in NWC: $250,000 at t=0; no ...
  82. Science

    Luis is an avid baseball player. For his science project, he decides to test which type of bat is best for hitting home runs. Luis prefers to use an aluminum bat when he plays, so he hypothesizes that he will hit more home runs using an aluminum bat than a wooden bat. During ...
  83. Biology

    Bacteria produce yogurt from milk by (a) conjugation (b) aerobic respiration (c) fermentation (d) fixing nitrogen I'm missing school for a week so I need help with a few Biology problems.
  84. icd-9 cpt

    preoperative u/a-- can't locate the CPT codes for blood epithelials, WBC, RBC, Bacteria, casts and crystals-- I have searched and at a loss where to go Please assist Thanks
  85. Kayla

    The Symbiotic relationship between rhzobium bacteria and the roots of plants in the legume family is an example of what? A. Symbiosis B. Nutrient storage C. Nutrient Absorption D. Anchorage E. Support
  86. Chemistry

    If the initial concentration of NH3(g) is 4.643 mol/L, calculate the % of NH3(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at 773.0 K is 16.70. The initial concentration of the reaction products is 0 mol/L. 2NH3(g) = ...
  87. Maths

    Its the old rabbit colony question using simultaneous linear and quadratic equations - and I need help: A colony of rabbits is growing so that the total number of rabbits (R) after number of weeks (t) is shown: on this table. t=5 R=140, t=10 R=200, t=15 R=280, t=20 R=400, t=25...
  88. science

    Need to use hypothesis in a sentence and draw a picture relating to it. Was Ben Franklins flying a kite a hypothesis or a theory?
  89. Biology

    1. A theory and a hypothesis are different in that: A. you must have a theory before you can form a hypothesis. B. a theory is developed as a result of broad agreement among scientists and a hypothesis is a much less substantiated idea. C. a theory is much easier to disprove ...
  90. english (gurublue or anyone)

    I'm stumped on what seems to be a fairly easy question that has been asked of me after reading about "Mike Rose". I will summarize the story and provide the question that has given me the mental block. Simple story... Mike Rose as a kid didn't do well in grammar or mathematics...
  91. English

    How do I start out writng a paragraph on a subject, Food Safety? * Subject: food safety * Occasion: aftermath of an outbreak of sickness at fast food restaurants due to tainted meat * Audience: FDA (agency that manages food safety) * Purpose: Persuade audience to do a better ...
  92. Math

    After spending 2/5 of her money on food and 1/6 on cosmetics a woman is left with with 13000. How much did she have originally
  93. english

    last time, i promise a blessing, james wright Just off the Highway to Rochester, Minnesota Twilight bounds softly forth on the grass. And the eyes of those two Indian ponies Darken with kindness. They have come gladly out of the willows To welcome my friend and me. We step ...
  94. science

    Luis is an avid baseball player. For his science project, he decides to test which type of bat is best for hitting home runs. Luis prefers to use an aluminum bat when he plays, so he hypothesizes that he will hit more home runs using an aluminum bat than a wooden bat. During ...
  95. Science (Venus)

    I have a project on venus and its due tommorrow! Im in such a rush, do you think that you could suggest something easy to do but very creative that would make my project get a high mark and good grade?
  96. English

    Scientists report (1) THAT CREATURES LIVING IN THE DEEP SEA ARE IN DANGER OF STARVING TO DEATH. Millions of undiscovered species live, in the deep sea. Creatures in the seabed are suffering from growing food shortages. Which may be a result of rising sea temperatures. ...
  97. IT 221

    As a project manager you are asked to facilitate a lessons learned session as part of the project termination process. how would you facilitate this session and what are some quidelines you would use? How would you incorporate and document the information gleaned from this ...
  98. 6th grade science

    I need help. Quick.I need an idea on how to do a science project that has to have somthing to do with types of energy,atmopsphere or life science. I only have 2 more weeks left. I need an idea. thanks :)
  99. 6th grade science

    I need help. Quick.I need an idea on how to do a science project that has to have somthing to do with types of energy,atmopsphere or life science. I only have 2 more weeks left. I need an idea. thanks :)
  100. Maths Problem

    Really need help..I can't figure out how? A van travelling at 60km/h left Town A for Town B at 7.00am. At 7.30am, a car left Town A for Town B. If the car travelled at an average speed of 80km/h, at what time would it catch up with the van?
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