Chemical & Physical changes

Front

Can a same substance undergo both physical and chemical changes?

Back

True

Front

How do we know if it is a chemical change? Options: can be undone, cannot be undone, both, none

Back

cannot be undone

Front

Physical changes size and shape of something?

Back

True

Front

Ice can be a physical change?

Back

True

Front

When something new is created or a substance is broken down into different chemicals, you have a chemical change.

Back

True

Front

What is photosynthesis?

Back

when plants turn carbon dioxide and water into energy.

Front

What kind of properties can only be observed when a substance changes into a different substance? Options: physical properties, chemical properties, liquid properties, real properties

Back

chemical properties

Front

Is hammering wood together to build a house a chemical or physical change?

Back

physical

Front

Is burning wood a chemical or physical change?

Back

chemical

Front

Which is a physical change? Options: burning match, vinegar in baking soda, melting butter, cooking an egg

Back

melting butter