7th Matter Test

Front

Solutions are ___________ mixtures.

Back

Homogenous

Front

Back

mixture of compounds and elements

Front

This diagram represents...

Back

A mixture of elements and compounds

Front

Which of the following is an example of a solution? Options: salt in water, sand and water, rocks and water, pebbles and water

Back

salt in water

Front

Can a mixture be separated?

Back

Yes

Front

The basic unit of matter is

Back

an atom

Front

A pure substance that cannot be broken down into other substances by chemical or physical means.

Back

element

Front

What is a pure substance?

Back

An element or a compound.

Front

A change where one or more new substances are created.

Back

Chemical Change

Front

Is melting butter for popcorn a chemical or physical change?

Back

physical