Chemical Interactions 1-3 Test Review

Front

What is a substance?

Back

A substance is a form of matter with a unique composition and distinct physical and chemical properties that can be used to identify it.

Front

What is required for a chemical reaction to occur between water and another substance?

Back

You need an acid and a base.

Front

Does air have mass?

Back

False. Air does have mass.

Front

What happens to the space between air particles when they are compressed?

Back

The space between air particles becomes compact.

Front

What is an element?

Back

An element is a type of matter defined by a unique particle.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

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

Back

A physical change affects one or more physical properties of a substance, while a chemical change results in the formation of new chemical substances.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.