MYA Review

Front

What is a chemical reaction?

Back

A process where substances change into new substances with different properties.

Front

What evidence indicates a chemical reaction has occurred?

Back

A change in temperature, color, gas production, or formation of a precipitate.

Front

What is the main function of the pancreas?

Back

To produce insulin, which helps regulate blood sugar levels.

Front

What is a nonrenewable resource?

Back

A natural resource that cannot be replaced or takes a long time to replenish, such as phosphate.

Front

What happens to substances during a chemical change?

Back

They form new substances with different properties.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in new substances.

Front

What is an example of a chemical change?

Back

Baking cake batter to make a cake.

Front

What is the effect of temperature on chemical reactions?

Back

Temperature changes can speed up or slow down chemical reactions.

Front

What is the role of light in photosynthesis?

Back

Light energy is used by plants to convert carbon dioxide and water into glucose and oxygen.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.