What are 2 pros of using bottled water?

If we put a receycling program into effect, how will this impact landfills?

Which of the following is an example of a chemical change?

In a chemical reaction, which of the following statements are true?

What happens in a chemical reaction to the atoms?

What happened when we combined the vinegar and baking soda in the baggie?

Hydrogen and oxygen react to form water. At an atomic level, how do we know that a chemical reaction has occurred?

A hot object and a cool object. Which of the following statements about the relationship between temperature and thermal energy in this case is correct?

A plastic ruler feels warmer than a metal ruler because:

Which scientific concept allows you to feel that something is hot without touching it?

Which of following does not describe a chemical property?

Students combine baking soda and vinegar to demonstrate a chemical reaction. What indicates that a chemical reaction occurred?

What happens to the properties of sodium and chlorine when they react to form sodium chloride (naCl) common table sallt?

Which of the following statements describes a chemical property of gasoline?

Baking soda, a base, is a common substance found in homes. It has many uses, including a useful cleaning agent and for cooking. Which of the following best describes baking soda?

Which of the following statements best describes a chemical property of a substance?

A student mixed two substances together and concluded that a chemical reaction had taken place. What process would the student observe to conclude that a chemical reaction had occured?

Which of the following is an example of a physical change but not a chemical change?

What helps to reduce bias during an investigation?

Which of the following is an example of conduction?

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