Matter Unit Review

Front

Which statement does not describe a physical change? Options: the item is still itself, the item can change state of matter, something new is created, the change can often be reversed

Back

something new is created

Front

Which statement does not describe a physical change? Options: boiling water, freezing water, dissolving salt in water, making water by joining oxygen and hydrogen atoms

Back

making water by joining oxygen and hydrogen atoms

Front

Which statement does not describe a chemical change? Options: burning a log in a campfire, baking cookies, digesting food

Back

breaking glass

Front

Which statement does not describe a chemical change? Options: a change in shape, the production of light, a new smell, the production of heat

Back

a change in shape

Front

Which statement does not describe a chemical change? Options: the identity of the item is different than before, a new substance is formed, the bonds holding atoms together are broken, the identity of the item is the same as before

Back

the identity of the item is the same as before

Front

T or F: A physical change is when the substance changes what it looks like. A chemical change is when the substance changes what it is.

Back

True

Front

How many protons do you see in this image?

Back

2

Front

A substance that cannot be broken down into any other substance is known as

Back

an element

Front

Elements in the periodic table are arranged by increasing order of

Back

atomic number

Front

What is the chemical symbol for Lead?

Back

Pb