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Which of the following is NOT one of the main ideas of physical science? A. The universe is very old and very large. B. Forces cause changes in motion. C. Energy can be transferred from one form to another, but it can never be destroyed. D. One of the main branches of natural science is biology.
Weegy: D. One of the main branches of natural science is biology. User: In which step of the scientific method is information obtained through the senses? A. drawing conclusions B. making observations C. analyzing data D. revising a hypothesis (More)
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Expert Answered
Updated 1/5/2014 6:31:18 AM
1 Answer/Comment
B. making observations is the step of the scientific method is information obtained through the senses
Added 1/5/2014 6:31:18 AM
When a physical change in a sample occurs, which of the following does NOT change? A. shape B. temperature C. volume D. composition User: Which of the following is a physical change? A. sawing a piece of wood in half B. burning a piece of wood C. rust forming on an iron fence D. a copper roof changing color from red to green
Weegy: Sawing a piece of wood in half is a physical change. User: Flammability is a material’s ability to burn in the presence of A. hydrogen. B. nitrogen. C. oxygen. D. carbon dioxide. (More)
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Expert Answered
Updated 10/1/2014 4:08:37 AM
2 Answers/Comments
When a physical change in a sample occurs, composition does NOT change.
Added 10/1/2014 4:07:33 AM
This answer has been confirmed as correct, not copied, and helpful.
Flammability is a material’s ability to burn in the presence of oxygen.
Added 10/1/2014 4:08:37 AM
This answer has been confirmed as correct, not copied, and helpful.
Ninety-nine percent of all the matter that can be observed in the universe exists as A. gases. B. plasmas. C. liquids. D. solids.
Weegy: Ninety-nine percent of all the matter that can be observed in the universe exists as plasmas. User: Matter that has a definite volume but no definite shape is a A. liquid. B. solid. C. gas. D. plasma. Weegy: Matter that has a definite volume but no definite shape is a liquid. User: If you move a substance from one container to another and its volume changes, the substance is a A. solid. B. liquid. C. gas. D. solution Weegy: If you move a substance from one container to another and its volume changes, the substance is gas. User: Forces of attraction limit the motion of particles most in A. a solid. B. a liquid. C. a gas. D. both b and c Weegy: Forces of attraction limit the motion of particles most in a solid. (More)
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Updated 10/1/2014 4:04:58 AM
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