Chemistry and Matter, Review For the Unit Test

Water (H2O), carbon dioxide (CO2), and table salt (NaCl) are all examples of...

• Atoms

• Elements

• Compounds

• Pure Substances

Tags

NGSS.MS-PS1-1

Anything that has mass and takes up space is called...

• Energy

• Matter

• Volume

• Solution

When something is on the stove boiling and leaves droplets on the wall nearby it, that process involves...

• Condensation

• Transpiration

• Percolation

• Sublimation

Tags

NGSS.MS-ESS2-4

Identify the examples of physical changes.

• Burning wood

• Baking bread

• Dissolving salt with water

• Boiling water

Identify the examples of chemical changes.

• Burning wood

• Baking bread

• Dissolving salt with water

• Boiling water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the Elephant Toothpaste Lab, the heat was created by a(n)...

• endothermic change

• exothermic change

• physical change

• change in mass

Tags

NGSS.MS-PS1-4

What PROPERTIES would you look for to identify a mixture?

• It has 2 or more substances

• It's physically combined and can be separated.

• It's a pure substance

• It's an element.

Choose the following heterogeneous and homogeneous mixtures.

• Paint

• Salt

• Kool-Aid

• Chocolate Chip Cookies

After eating spicy food, your tummy hurts! Why does Tums, Rolaids, etc. make you feel better?

• Because it tastes good and makes your tummy happy!

• Because it smooths out your tummy.

• Because it helps to neutralize the pH in your tummy.

• Because Ms. Freitas says so!

Oxygen Element: How many electrons are there?

• 6

• 7

• 8

• 9

Tags

NGSS.MS-PS1-1