Physical/Chemical Changes

Front

What is a physical change?

Back

A change that alters the form of an object without changing the type of matter; it is reversible.

Front

What is a chemical change?

Back

A change that results in the creation of a new substance and cannot be reversed.

Front

What happens to water when it freezes?

Back

Water undergoes a physical change to form ice.

Front

What is cooking in terms of chemical changes?

Back

Cooking is a type of chemical change that involves combining and heating ingredients.

Front

What is a precipitate?

Back

A solid that forms from a chemical reaction between some solutions.

Front

Can a physical change be reversed?

Back

Yes, physical changes are generally reversible.

Front

Can a chemical change be reversed?

Back

No, chemical changes create new substances and cannot be reversed.

Front

What is an example of a physical change?

Back

Melting ice into water.

Front

What is an example of a chemical change?

Back

Rusting of iron.

Front

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

Back

Physical changes alter form but not substance; chemical changes create new substances.