# 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?

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it takes harrison 1 1//2 hours to finish his history project. it takes miles 3 2/3 hours to finish his science project. how many times as long does it takes miles to finish his science project than it takes harrison to finish his history project? Do I have
2. ## Environmental Science

How does lichens contribute to primary succession? BSCI 124 Lecture Notes Undergraduate Program in Plant Biology, University of Maryland LECTURE 34 - PLANT SUCCESSION I. Plant succession - a series of predictable changes over time in the kinds of plants
3. ## Science

I have to write a project proposal about the global climate crisis so I can do a report and powerpoint. I need suggestions on what to write about by answering the following questions.... How do I affect the water and carbon cycle and what can I do to
4. ## 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
5. ## 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
6. ## Statistics

A statistical test is performed, and its P-value turns out to be about 3%. Which of the following must be true? Pick all that are correct. The null hypothesis is true. There is about a 3% chance that the null hypothesis is true. The alternative hypothesis

one more question...Would it be a good idea to open American fast food restaurants in Disney parks overseas selling the same kind of food sold in U.S. parks? My answer is YES, because it lets different countries try the American food, and our culture as

one more question...Would it be a good idea to open American fast food restaurants in Disney parks overseas selling the same kind of food sold in U.S. parks? My answer is YES, because it lets different countries try the American food, and our culture as
9. ## fin 200

As the time period until receipt increases, the present value of an amount at a fixed interest rate A. decreases. B. increases. C. remains the same. D. Not enough information to tell.
10. ## Calculus AB

The rate of growth dP/dt of a population of bacteria is proportional to the square root of t, where p is the population size and t is the time in days (0<equal t <equal 10). That is, dp/dt = ksqrt(t). The initial size of the population is 500. After
11. ## Nutrition of the young child

Why shouldn't unmodified cow's milk be given to an infant under one year old? A.Infants are able to digest only breast milk. B.It contains too much bacteria for young babies to handle. C.It can cause an upset stomach D.Most infants are allergic to it. I
12. ## 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
13. ## Science

Which is a better bacteria killer? Bleach or hand sanitizer which contains 62% ethyl alcohol. i'm not sure but i think is the hand sanitizer. hand sanitizer ok thanks. What kind of germs? What temperature? In any case, I think bleach would be hard to beat
14. ## World history; Check:P

Write a opinion paper on the most significant consequences of the Agricultural Revolution. We have Neolithic Farmers to thank for early settlements, villages and then towns. They made all that happen by dint one one simple factor - food surplus. You don't
15. ## Physiology

Before the invention of refrigerators, pioneers preserved meat by salting it. Explain how meat can be preserved by this procedure.(Hint: think about what salting the meat would do to decomposer organisms, such as bacteria and fungi)
16. ## English

Thank you very much Writeacher! I added a few more things. I'd like you to check them, please 1)At the end of sonnet 12: The image of time as death, bearing a scythe (typical in medieval and Renaissance iconology) is left impotent by the presence of the
17. ## Science

1.)TRUE OR FALSE: Scientific investigations involve testable questions. * True False 2.)Which of the following would not be a reliable place to find research for a scientific investigation? * science journals experts wikipedia textbooks 3.)Why should a
18. ## project planning

i need help this is late work and i have until friday night to get it done part 1 Describe a work-related situation you feel could be improved. For example, you want to streamline the process for reimbursing employees, or you want to create a high-tech
19. ## com135

Management at your project management firm wants to ensure staff members are fully trained on new technologies before planning, developing, and maintaining information technology projects for clients. As a result, your managers have decided to implement
20. ## Math

The table shows the times a train left Austin and arrived in San Antonio on 5 nights last week. Mon 6:30pm left 7:22pm arrived Tues 6:18pm left 7:10pm arrived Wed 6:45pm left 7:37pm arrived Thu 7:05pm left 7:57pm arrived Fri 6:28pm left 7:20pm arrived What
21. ## analysis and design

5.2 Project Risks [Use this section to list at least five risks factors and their potential impacts for the project.] # Risk Area Likelihood Risk Owner Project Impact-Mitigation Plan 1 [Project Risk] [High/Medium/Low] [Replace this text with a description
22. ## English

Can you please check these sentences for me. It's really urgent. 1) Our science teachers are enthusiastic about your proposal of holding our first meeting in Italy. 2)However, prior to our meeting, the head of our science department would like to discuss
23. ## math

At a street fair, a vendor keeps her stall open 6 hours per day. She also spends a total of 4 hours over the course of the fair setting up. Let d represent the number of days of the fair and h represent the total hours spent at the fair.
24. ## pre-algebra

Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.
25. ## Statistics

Is a sampling distribution always the same as the curve for a null hypothesis? How does the power of a z test change when sigma increases? Assuming that they are caused solely by chance, sampling distributions will approximate a normal distribution more
26. ## sst project

how we have to write acknowledgement in any project?
27. ## Project Management

You have been assigned as the PM for a project in an industry of your choice. Define the project and its scope briefly, and then identify three risks that your project might face. Rank them and discuss possible mitigation strategies.
28. ## statistics

2. Your friend Janefs landscaping company charges two hours of labor time for the planting of a medium-sized tree. To make sure she is not undercharging or overcharging for this service, she asks for your help. To start, you take an SRS of 10 planting
29. ## math

Anyone please help me! Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to
30. ## Project Management

What kind of project-scheduling tools are typically used in your Company to establish time phasing of project tasks? Are the tools effective? What kind of Project Management/Scheduling Tools would you recommend? Why? PERT, Critical path analysis are
31. ## bio

I am doing the biology ap bacteria DNA transformation lab and I came up with a transformation efficiency of 150,000. I read somewhere that they should be between 2,000-8,000. is my answer way off? My group counted an average of 1529 colonies to begin with
32. ## english

At the fair, not only can I eat tasty food, but I can also see awesome fireworks. need help making sure its a parallel structure and has linking words
33. ## English

At the fair, not only can I eat tasty food, but I can also see awesome fireworks. How do i make this a parallel structure using linking words?
34. ## Biology

what are the radiometric dates of: Homo sapiens, stone tools, sabre toothed cat, wolly mammoth, apes, whales, horses, dinosaursflowering plants, birds, earthworms, reptiles, spiders, sharks, amphibians, land plants, jawless fish, jellyfish bacteria and
35. ## Math

Mark has received a tax refund. He used 1/4 of the money to pay off his credit card. Than he spent 1/3 of the remaining money on new clothes and shoes for his kids. After shopping he used 1/5 of what was left to go out to eat. Finally, donated 1/2 of what
36. ## Science

Which of the following is true? Mark all that apply. A. a hypothesis can be proved incorrect through experiment B. conclusions cannot disprove a hypothesis C. conclusions are made based on the analysis of data D. opinion is used to analyze data Is it A and
37. ## MATH 116

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. How can I write an equation to fit this? \$10,000=\$6,000-n?
38. ## science

Before beginning any land development project, people should carry out a(n) ___________________ analysis to consider all of the potential impacts of the project on the local ecosystems
39. ## science

before beginning any land development project, people should carry out a _________ analysis to consider all of the potential impacts of the project on the local ecosystems.
40. ## Math PLZZZ HELP!!!

always true about a scatter plot with a positive trend? Choose two The point will form a straight line•• As the x value increases the y value increases The point will show a general upward trend left to right on the graph•• There will not be any
41. ## Math

which statement are always true about a scatter plot with a positive trend? Choose two The point will form a straight line•• As the x value increases the y value increases The point will show a general upward trend left to right on the graph••
42. ## Calculus

Consider f(x)=x^2/(x^2+a), a>0. Determine the effect on the graph of f if a is varied. A. Each y value is multiplied by a B. As a increases, the vertical tangent lines move further from the origin C. The graph of the curve is shifted sqrt(a) units to
43. ## Biology

Plz help me find these words for puzzle. the questions are related to bacteria. 1. Ability of pathogen to kill (8 letters) 2. Ability of an organism to cause disease (8 letters) 3. One of the conditions for bacterial growth (8 letters) 4. Cells with no
44. ## health

1. Which food do students eat at lunch time at school in Peru? 2. Which food do students eat at lunch time at school in India? 3. Which food do students eat at lunch time at school in Brazil? Would you answer the questions? And where can I get the
45. ## Microbiology

"people with takahara's disease don't produce catalase. Although often asymptomatic, this condition can lead to recurrent oral infections by peroxide-generating bacteria. How would you diagnose a catalase deficiency?" Would the answer be to put hydrogen
46. ## English

Writeacher, thank you very much for all your explanations!! I think the part of the integration of the project into the students' curriculum should be improved. This is what I translated. I think certain points should be omitted. I also wanted to add a new
47. ## Math

A certain bacteria doubles the number of its cells every 20 minutes. A scientist puts 50 Cells in a culture disk. How many cells will be in the culture disk in 2 hours?
48. ## Science

I need help in my project the question is- classify the mixture used in daily life - into solution,colliods and suspension and write their uses I need it today only I have to submit tomorrow
49. ## Science

I have to think of something to do for a science fair project on nutrition. if u have any ideas that would be really cool. You need to think of ideas that interest you. Don't worry about others thinking that the idea is "cool." What nutrition topics
50. ## Steps in Chemistry

You notice that a lawn looks unhealthy and that, perhaps, the grass is dying. Undertake a scientific project to save the lawn. What is your initial hypothesis? Describe an experiment you can design to test it - include more than 1 step and variables.
51. ## Language Arts

Can you edit this story for me please? thanks. (no copDear Diary, Journal Entry # How are you? I’m finally happy to be writing to you after a long time. I’ve just been so busy in the school! My Miss is strict but at least I learn from her. I remember
52. ## English

I left out two statements. Can you please consider them two? 1) As we are short of time (as the deadline is approaching), we urgently need to know if you would be interested in such a partnership. 2) If you have other proposals as to the topics to be dealt
53. ## English IV

I'm have a hard time with this project. Based on the restoration and the 18th century, I have to write a prose satire aimed at changing the attitude of my audience. Please help!!!
54. ## science

When enough experimental data support a hypothesis, the hypothesis then becomes a fact theory inference conclusion I am torn between theory and conclusion
55. ## health

Which of the following is true? A. It would take three to five hours to hydrate the body after a water loss of 3 percent. B. A critical time to replace bodily fluids is while exercising. C. Mild food ingestion during exercise increases water absorption
56. ## Environmental Club Recycling Project Letter

Dear Club Members of Environmental Club, We are going to be start a HUGE organization in order to help the environment. People around the world should realize that recycling is important. If we don't recycle animals won't have a home to leave in the woods
57. ## Science

1. Which of the following could be an engineering project that could better protect the planet? -finding a new landfill site -designing a better trash compacter -deciding which product can be recycled*** -growing microbes that eat oil 2. Engineers who are
58. ## Chem

Hypothesis: A prediction of what you think the results of the project will be. Write your hypothesis before you begin the experiment and, if the experiment has more than one part, you will need a hypothesis for each section. Remember to create an

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
60. ## to ms.sue-science project part 1

so is the project basically asking to write down details abd information i learned about solar cars and to write down the websites? please read this and describe to me: Please select one of the four solar-energy-based topics listed below to research. Based
61. ## biology

Read Scientific Inquiry, Controlled Experiments Then and Now, pages 6-7 of your textbook. Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a
62. ## English

Writeacher, I need your help to develop a few ideas. Thank you very much. 1) It would be really important if in the future a science teacher from your school could embark in a Comenius project (I don't know how to express it), which will enable him, on the
63. ## probs & stats

3. A fitness center is running a discounted membership fee. Did the discount increase the membership sales? Write your hypotheses mathematically. 4. A medical researcher gave 100 patients a new drug to see if it reduces their blood pressure? Did the new
64. ## Science Fair

Hi, my question is are part 1,2, and 3 different ways you can do the project? There are three parts. Each part should take less than 1 hour. In Part 1, you will stare at a colored object for various amounts of time, then measure how long it takes for the
65. ## Science

Does anyone have any websites that shows different food webs? I need to find a food web with at least 12 different animals. thank you!
66. ## science

where do scavengers go on the food web/ food chain? like on the top or botttom orr?
67. ## Science

Over millions of years of time, an island's vegetation shifts. The seed-producing plants that dominated the early origins of the island die out in favor of new species of plants that do not produce seeds but provide a good habitat for insects. How is this
68. ## science

A decrease in “food miles” will most likely increase the environmental impact of any given food.
69. ## science

How to make a food web with at least 4 food chains showing how the eagles depends on other animals?
70. ## Socials Studies Project

Okay, I have to do a project on First Nations. The group I'm researching are the Northwest Coast People. It must include: Lifestyle (clothes, food and its preparation, types of housing, transportation, agriculture, nomadic, hunters, fisherman?) Customs and
71. ## Science

Refer to the following scenario to answer Questions 3 through 7. Hemlocks are a common type of tree in the northern forests of the United States. In studying one forest, a forester noticed that mature hemlocks were abundant but there were very few young
72. ## Social

The agricultural revolution made us stop chasing our food because we started farming and it gave us free time. Now our free time helped us think of what we will do tomorrow. So which came after and so on. your choices: math,science, and literature trade
73. ## English

I left out these three last statements. Can you please consider them two? Many thanks again, Ms. Sue! 1) As we are short of time (as the deadline is approaching), we urgently need to know if you would be interested in such a partnership. 2) If you have

i have to write a project about amy project. i'll write for what i am trying to say but i hope you can help me put it in a better, organized sentence. our project is about flying paper airplanes outdoors and it was windy and i want to explain why it's a
75. ## science

a decrease in food miles will likely increase the environmental impact of any given food points. True or false
76. ## science

A decrease in “food miles” will most likely increase the environmental impact of any given food. (Points : 1) True False
77. ## science

I'm doing a project on chocolate I need help how to start the project
78. ## Math

The number f water hyacinth plants growing on a lake increases exponentially with time. On Tuesday the number of plants is 150. That Friday the number has risen to 240. If it takes 3400 plants to completely cover the lake, will the lake be completely
79. ## Writing

I have an essay to write but I don't know how to begin an introductory paragraph. Can you help me with the paragraph for the following topic? Why do Americans eat so much junk food? Every day, there are all sorts of people from children to adults seen
80. ## Math

Joe spent 1/4 of his money at the food court. He spent 2/3 of what was left on ride tickets. He ended with \$10 left in his pocket. How much did he start with?
81. ## Physics

:'( Please help me....? (7 points) 2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. Answer: (11 points) 3. A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of
82. ## finance

Wheel Industries is considering a three-year expansion project. The project requires an initial investment of \$1.5 million. The project will use straight-line depreciation method. The project has no salvage value. It is estimated that the project will
83. ## Stats

A statistical test is performed, and its P-value turns out to be about 3%. Which of the following must be true? Pick all that are correct. a) The null hypothesis is true. b)There is about a 3% chance that the null hypothesis is true. c) The alternative

1.) 1 7/8 + 1/9 0 1 *** 2 2 1/2 2.) 8 8/9 - 5 1/11 4 ** 5 14 11 3.) 7 2/3 x 3 7/9 2 3/27 11 4/9 ** 28 26/27 21 14/27 4.) Walter had 2/4 yard of string. He used 1/2 of the string for a school project. How many yards of string did he use fir his project?
85. ## Common Knowledge

Does any one know any very good science fair project website. The ones that a very extravegent. Please don't tell me to google it becuase I have tried and I am looking for recommendations. Here are some sites you might want to look at.
86. ## language arts

2. Read the following paragraph "That thrilled me, and scared me. The great world seemed to swing wide like the gates of the Fair, and I didn’t even have a plan. I hadn’t even put up my hair yet. It seemed to me it was time for that, time to jerk that
87. ## Math- algebra

An experiment stain of bacteria is being used to treat an oil spill. A colony of 2^13 cells will be sufficient to ocean up the spill. If the colony is started with a single cell, and cells increase in number by splitting every 15 minutes, in how many hours
88. ## project menagement

Put together a proposal for the customer that includes the following: Briefly describe the first five points of the project scope checklist in relation to the project: what are the project objectives:? list the deliverables. identify the milestones of the
89. ## Algebra

During a promotional weekend, a state fair gives a free admission to every 175th person who enters the fair. On Saturday, there were 6,742 people attending the fair. On Sunday, there were 5, 487 people attending the fair. How many people received a free
90. ## Science

1.)which best describes a cave ecoystem?(1 point) A.)Plentiful food, widely varying tempature B.)Plentiful food , constant tempature C.)Very little food , widely varying tempature D.)Very little food, contant tempature i put D am im correct?
91. ## statistics

Using the numerical data for your team project, conduct a two sample, two-tailed hypothesis test for the mean, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = p-value = Reject the null hypothesis
92. ## Social emergency

The agricultural revolution made us stop chasing our food because we started farming and it gave us free time. Now our free time helped us think of what we will do tomorrow. So which came after and so on. your choices: math,science, and literature trade
93. ## science

Wax is coated on the inner wall of a capillary tube and the tube is then dipped water. Then, compared to the unwaxed capillary, the angle of contact theta and the height h Upto which water rises change. These changes are: 1)Theta increases and h also

Bowl A and Bowl B are filled with the same amount of water. Bowl A is covered in plastic wrap. Both bowls are left on a counter. The water level is checked in both bowls after 1 week. What is the hypothesis? Please HELP!
95. ## math

During a promotional weekend , a state fair gives a free admission to every 17th person who enters the fair. On saturday, there were 6,742 people attending the fair. On sunday, there were 5,487 people attending the fair. How many people received a free
96. ## Physics Project

I am currently doing a physics project where I am launching a wooden pellet by using a sling into a container full of water. By changing the length the rubber band is stretched, I am measuring the pellet's submergence distance into water. I know that the
97. ## IT 221

Create a 200- to 300-word response to the following scenario: During the implementation phase of a project, as a project manager you are facing many team issues (such as family issues and interpersonal conflicts) and these issues are creating risks that
98. ## Social Studies Help please its a quiz

Dix also joined a growing movement to improve conditions in prisons. Men, women, and children were often crammed together in cold, damp rooms. When food supplies were low, prisoners went hungry—unless they had money to buy meals from jailers. Five out of
99. ## science

What is it in sherry cooking wine that makes it less effective in killing bacteria when it has a pH of 3.5, compared to a tomato, with a pH of 3.7. The bacteria is Serratia marcescens. I have been searching for the chemical compositions of both to compare
100. ## Nutrition of the young child

Why shouldn't unmodified cow's milk be given to an infant under one year old? A.Infants are able to digest only breast milk. B.It contains too much bacteria for young babaies to handle. C.it can cause an upset stomach. D.Most infants are allergic to it. I