Science

Recent Questions

Science
1.What information would a scientist need to discover whether a disorder had a genetic cause, an environmental cause, or a combination of the two? 2.How do mutations affect an organism? Why can some mutations have no effect? 3.Which of these traits or behaviors is most likely ...

science
What does the statement "the properties of salt are different from the properties of the elements that go into making them" mean?

Science
What information would a scientist need to discover whether a disorder had a genetic cause, an environmental cause, or a combination of the two?

science
What information would a scientist need to discover whether a disorder had a genetic cause, an environmental cause, or a combination of the two?

Science
Can someone help me with this, at least help by explaining a bit what is going on? question: What is going on in the diagram? Picture: It's a boat floating on water, but another one on the ocean floor. A. the waves are pointing down to the boat that is on the floor and C. is ...

math
Lydia wrote 4.5 pages on her science report in 1 hr.What was her writing rate in pages per minute?

Science
My granddaughter has to do a project about a product she would create and test we've decided on the safetyof white paper napkins vs dyed ones I don't know where to begin please help

Child Development
I need help finding a learning experience for science/ sensory activity. The age is 3 years old.

science
An object of mass 0.5kg is rotated in horizontal circle by a string of length 1m,the maximum tension in the string before it breaks is 50N.What is the greatest number of revolution per second of the object?

Science
The hypothesis is tested and found to be correct. Define a problem Observe the problem Hypothesis becomes a theory*** Make a prediction

Science
This is a critical part of the process that verifies that the predicted outcome is valid. Test the hypothesis*** Make a prediction Hypothesis becomes a theory Observe the problem

Science
This step includes recording data, taking photos, and coordinating information. Make a hypothesis Make a prediction Observe the problem*** Define a problem

Science
The science team uses information to suggest the main outcome of the hypothesis. Make a Prediction*** Test the hypothesis Observe the problem Define a problem

Science
Select the factor that most affects the environment. rain humans*** sunlight oxygen

Science
Select the factor that most affects the environment. weather*** land oceans research

Science
Select the factor that most affects the environment. domestication oxygen time*** wind

Science
How can two tall pea plants produce a small pea plant

Art
Which of the following most influenced the art of tessellation Language Arts Social Studies Science Mathematics••

Science 7
What is an advantage of the zygospores of it is extremely dry or hot?

Math
1. Write a ratio and a percent for the shaded area. a 4x4 grid with 5 blocks shaded (1 point) one over five, 25% five sixteenths, 31.25% one over four, 20% one over four, 25% 2. Model 32% on a 5 × 5 grid. (1 point) a 5 by 5 grid has 8 cells shaded. a 5 by 5 grid has 6 cells ...

math help..STEVE
Hi i need help on this Test, near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio as a percent. In ...

Ms.Sue, Reed
Hi i need help on this Test, I put a gold star near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio...

MATH HELP
Hi i need help on this Test, I put a gold star near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio...

Math Check (thanks)
Hi i need help on this Test, I put a gold star near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio...

science
When we project a mobile screen in front of a wall , we only see the white light but R unable to see the written matter on it why ? If this question seems to be undigesting , please try this for once n think.

HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Multiple Choice 1. How did the Haitian Revolution impact the history of the United States? (1 point) • It brought the United States into a war with Spain over Cuba. • France no longer had Haiti, so Napoleon was willing to sell Louisiana. • Slave owners in the American ...

SCIENCE
When metro stops at same time we felt a jerk in backward direction but according to inertia we should be feel in farward direction i.e. Acc to me intertia contradict (which not possible) then why we feel jerk in backward direction?????

science
a car weighing 15,000 N is on a hydraulic lift platform measuring 10 m squared. What is the area of the smaller piston if a force of 1,100 N is used to lift the car?

Science
1. ____ are stored by the body as energy reserves. Lipids Carbohydrates Proteins Nucleic acids C?

Science
1. ____ are stored by the body as energy reserves. Lipids Carbohydrates Proteins Nucleic acids

Science
If you burn 16.5 ml of ethyl alcohol, C8 H18, that has a density of 0.789g/ml what mass of co2 is produced? I have no idea where to start.

computer science
School wants to record the weight of 80 students when they got admission in school. And at end of every year their weight will be recorded. So that the difference will be forwarded to the nutritionist maintain class health chart. Use 1D arrays to calculate these. • Input ...

computer science
Define 3 one dimensional arrays to obtain Product Names , Quantity and Price and calculate the total by multiplying the quantity with the price

math literacy life science, history,tourism
Can I do medical orthotic and prosthetic while doing math literacy and life science. CAn I QUALlifY?

Math And Science for Young Children
The conventional problem-solving strategies usually taught have been: A. act out the problem, make a drawing or diagram, and solve the problem. B. look for a pattern, construct a table, solve the problem, and look back. C. understand the problem, devise a plan, carry out the ...

math And Science for Young Children
Planning concepts experiences starts with: A. selecting objectives. B. selecting materials. C. assessment. D. evaluation. Is B the correct answer

math And Science for Young Children
The processes of awareness, exploration, and inquiry, and __________ are encompassed in the learning-cycle for young children.   A. generalization B. utilization C. recognition D. coordination Is B the correct answer

Math And Science for Young Children
sking the children to construct a graph to show how many beans have sprouted is an example of the process skill of: A. communication. B. predicting. C. inferring. D. classifying. Is D the correct answer

Math And Science for Young Children
Concepts can be characterized as: A. the building blocks of knowledge. B. thoughts that are incomplete until adulthood. C. ideas that young children do not yet have. D. basic to math but not to science. Is D the correct answer

Math And Science for Young Children
ll of the following EXCEPT __________ describes the personal learning style. A. visual B. auditory C. work-along D. colorful is D the correct answer

Math And Science for Young Children
After assessing your students, what question should you ask as you start organizing for teaching? A. What do my students know about this science topic? B. What is the appropriate science content that my students need to know? C. What do my students want to know about this ...

Math And Science for Young Children
The process skill that is most appropriate for use with older children is:   A. observation. B. predicting. C. measuring. D. classifying. Is C the correct answer

Math And Science for Young Children
Early childhood encompasses three of the four Piagetian stages. Which one of the stages is NOT reached during early childhood? A. Preoperational B. Concrete operational C. Sensorimotor D. Formal operations IS D the correct answer

Math And Science for Young Children
__________ is/are NOT a basic lesson plan component. A. Object B. Concept C. Materials D. Goals Is B the correct answer

Math and Science for young Children
Predictable student responses are likely during:   A. narrow questions. B. open-ended questions. C. initiating activities. D. observational skills. is B the right answer

science
If the distance stays the same but they time increases what happens to the speed?

science
An equation has carbon dioxide and water as its products, what type of reaction has taken place?

Science
What is "spatial data" (or "geospatial data")? I am not sure, I think it either all or just A. Which one would you pick? A. Information that is tied to a specific location B. A dataset containing information about cities and populations C. Data that can be mapped and analyzed ...

Science
Why is the Grand Canyon a natural physical system

science
What is the ionic strength of 0.2M Na2HPO4 in a solution?

science
How far should be an undersea object/rock to hear theacho?Speed if sound in water is 1500m/s.

science
why is using a veterinarian's method of finding a dog's age better than x7 to human years.

Science!!
How do you expect the water level to change when the apparatus is placed in warm water? In cool water?

Science
A man relaxes in his hot tub after a long day at work. hid ody temperature is 98.6 F. The temperature of the water in the hot tub is 102 F. How does heat transfer A) Heat does not transfer between his body and the water. B) Heat transfers to his body from the water by ...

Science
Ice at 0 degree celcuis is added to 200g of water initially at 70 degree celcuis in a vacuum flask.When 50g of ice has been added and has all melted the temperature of the flask and contents is 40 degree celcuis.When a further 80g of ice has been added and has all melted the ...

Science
List events A-F shown in Figure 1-9 in the order that they occurred, beginning with the oldest event.

Science
Give two reasons why so little is known about organisms from the Precambrian time, even though it was the longest period and early earth's history?

Children Development
In your words, describe nine learning experiences (activities) that cover each of the following areas: RC II-1 Science/Sensory RC II-2 Language and Literacy RC II-3 Creative Arts RC II-4 Fine Motor (Indoor Activity) RC II-5 Gross Motor (Outdoor Activity) RC II-6 Self Concept ...

science
Explain why most refrigerators are painted in a white shiny colour

Science
What is the density / mass =26.7 g/volume =78.4 CM 3

science and technology
whn a body hanging frm a spring balance is immersed in water it floats in water just below the surface of water & shows 100g loss in its weight 1-wht is thw weight of body in water? 2-wht is thw weight of body in air 3-wht is upthrust on the body? 4-wht is the vol. of body? ...

Pure maths, life science, business studies, and geograhy
What course can I do after high school if I have these subjects?

Science
How many litres of water are produced when 3.3 litres of hydrogen is burnt in excess of oxygen at 25degree centigrade?

math and science both
my stuff needs an answer please

science
what is the distance for a race car that travels around a 1 mile track like i don't even know and it kepps giving me displacement when its actually distance not displacement like bruh

science please help anyone
I have a science project type of thing, I'm not asking for any answers. Just a breif and easier explanation on what to do, any help is appreciated. The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field...

SCIENCE
what is the difference between dew and frost

Science
For an experiment, you place 15 g of ice with a temperature of -10 C into a cup and label A. You also place 25 g of ice at the same temperature into another cup and label it B. Which of the following statements is true? A) The average kinetic energy of the ice in cup A is less...

maths history goagraphy naural science lo ca english affrikaans ems
must i not do phiscal sicence when i am doing those subjects at school

science
(c) Because static friction can adjust, the system can be at rest if the mass of block C is between some maximum value and some minimum value. What are these values if the coefficient of static friction between block B and the table is 0.200?

Science
Imagine that the label on a sunscreen product reads, “Recommended by nine out of ten doctors.” No other information regarding this claim is provided. Why would a scientist tell a consumer to be wary of this statistical claim? A. Sunscreen products are ineffective. B. The ...

science
1. The skeletal system is created to ____________ internal organs. A) protect <------------------- B) maintain C) support D) hide 2. Your elbow and knee are examples of A) ligaments. B) joints. <-------------------- C) cartilage. D) angles. 3. The muscular system allows ...

science
In the figure, blocks A and B have weights of 49 N and 32 N, respectively. Determine the minimum weight of block C to keep A from sliding, if the coefficient of static friction between A and the table is 0.20.

science
To measure the static friction coefficient between a 1.7-kg block and a vertical wall, the setup shown in the drawing is used. A spring (spring constant = 416 N/m) is attached to the block. Someone pushes on the end of the spring in a direction perpendicular to the wall until ...

Science
Assuming a force of 50 N is applied to each object by each contestant, what is the acceleration of object A?_ B?_C?_ ( Person A's object is 5.0kg, person B's object is 2.5kg and C's is 0.5kg

Science
In a closed Circuit, the current flows only from the power source to an electrical device such as a lamp. True * False

Science
The approximate concentration of hydrochloric acid in the stomach(stomach acid) is 0.17m.calculate the mass of the following to neutralise 50cm of stomach acid.a)bicarbonate of soda b)aluminium hydro xide

Science
Vinegar contain ethanoic acid.titration of 3.00g of vinegar with 0.12mol NaOH solution requires 23.0cm to reach the equivalence point.what is the weight percentage of the ethanoic acid in vinegar

geography,maths literacy,life orientation,science
are they good and which job wil i be in or get?

Science
Current can be passed through salt solution but can not pass through sugar solution. Why? Answer in detail....

science
Financially,Canada would have benefited from keystone xl pipeline. What would have meant for individual Canadians? I know I have repeated the question from before but I need help urgently, since it's due tomorrow.

Algebra 1
A science teacher has supply of 50% methane solution and a supply of 80% methane solution.How much of each solution should the teacher mix together to get 105 mL of 60% methane solution for an experiment. a. 70 mL of the 50% solution and 35 mL of the 80% solution b. 35 mL of ...

Science:Biology
What are some unusual characteristics of food webs in agroecosystems?

Science
The law of conservation of _____ states that all particles must be equal before and after the reaction. word bank:elements, magnitude matter,mass,stress ,gradual chemical,physical ,weight.

science
Financially,Canada would have benefited from keystone xl pipeline. what would have meant for individual Canadians?

Algebra 1
What is the solution to the system? use elimination . -18.6x+ 17.2y=90.2 14.2x+ 3.4y= -35.8 a.(3,2) b.(-3,2) c.(2/3,4/9) d.(2,3) IS IT D?? Terry and ed start a lawn mowing business and purchase mowers and equipment for $800. They charge $20 for each lawn and $4 worth of gas ...

Algebra 1
A restaurant has one type of lemonade that has 12% sugar and another that is 7% sugar. How many gallons of each does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar? a. 12 gallons of the 12% lemonade and 8 gallons of the 7% lemonade. b.10 gallons...

Science
Why does the design of the vacuum flask minimize heat transfer by conduction? A)One flask is smaller than the other flask. B)One flask is more reflective than the other flask. C)There is no air between the two flask. D)The two flask do not touch each other, except at the neck...

Science
How much energy is needed to raise the temperature of 1500g of ice from -21.0 degrees Celsius to 113 degrees Celsius

Science "check my "answers"
1. Which of the following statements best defines tides? (1 point) when waves get bigger because of an approaching storm the rise and fall of ocean water that occurs about every 12.5 hours the rise of ocean water that occurs 12 times a day a giant wave that can be extremely ...

Science Question
Can some1 give me mayb 1 or 2 examples of a HETEROGENEOUS mixture for my lesson?? Thank you!

Science
Which law of chemical is illustrated by the fact that 168g of iron with 72g of water to form 232g of ferric oxide And 8g hydrogen

science
I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?

Science
an airplane flies 800 km east and 600 in north. What is the total displacement (with approximate direction)? What is the total distance traveled?

Science
What is the density of a solid aluminum with a mass of 60g

Science
This has already been posted, however the provided answer does not make sense. Anyone have additional insight for this one? An excess of aluminum metal is added to 200.0 mL of 0.025 M solution of CuCl2, reducing the Cu+2 ions to metallic Cu. If the temperature of the solution ...

Math
The science test grades are posted. All students taking the test scored over 75. Unfortunately, 4 students were absent for the test and the computer listed their scores as 0 until the test is taken. Assuming that no score repeated more times than the 0's, what measure of ...

Science -- Check my Answer Plz (again)
A beaker contains 50.0 mL of water at 90.0°C. How many calories must be added to raise the temperature of the water to its boiling point (100°C)? A) 50.0 cal B) 1.00*10^3 C) 100.0 cal D) 5.00*10^2 I think the answer is B, but i also think im wrong...

Science -- Check my Answer Plz
How much heat (calories) must be applied to a 100 mL beaker filled with boiling water in order to vaporize the water? ** A) 540 cal ** B) 540 * 10^4 cal C) 800 cal D) 8000 cal Is A correct? or cud it be B.?

Science -- Explaination on Heat Capacity?
I need some1 to explain heat capacity to me because the way my lesson is teaching it is EXTREMELY confusing!! A simple explanation would be nice! Dumb it down 4 a 7th grader!!!!! If you could use the following question in the explanation, that would be great because this is y ...

  1. Pages:
  2. <<Prev
  3. 52
  4. 53
  5. 54
  6. 55
  7. 56
  8. 57
  9. 58
  10. 59
  11. 60
  12. 61
  13. 62
  14. 63
  15. 64
  16. 65
  17. 66
  18. Next>>