Science Unit 1 Review

Which of the following indicate that a chemical reaction has occurred?

• The formation of gas bubbles

• a change in color

• an odor

• all of these indicate a chemical change has occured

Tags

NGSS.MS-PS1-2

The particles that make up gases are

• very close together

• very far apart

Reflectivity and solubility are related because they are both physical properties of matter.

• True

• False

Tags

NGSS.MS-PS4-2

Sam and Sara both have balls of clay shown below. Both balls have the same amount and type of clay. Sam shapes his into one big circle and Sara shapes hers into five small hearts.
Whose clay weighs more?

• Sam's

• Sara's

• They both are the same

Tags

NGSS.5-PS1-2

You are performing an experiment combining two substances in a closed container. You first pour 350ml of substance one followed by 430 ml of substance two. A chemical reaction occurs. Choose the equation below that would best explain the total mass of the combined substances.

• 430ml - 350ml = 80ml

• 350ml x 430ml = 780ml

• 350ml + 430ml = 780ml

• 780ml - 430ml = 350ml

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A _ produces new matter with new and different properties.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The ability to burn is an example of a physical property.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The amount of space an object takes up is its....

• matter

• mass

• volume

• property

What would happen to the weight of an ice cube if it melted?

• It would weigh a little more.

• It would weigh a lot less.

• It would weigh the same.

• It would weigh a lot more.

Tags

NGSS.MS-PS1-5

Which mixture is a solution?

• muddy water

• cranberry juice

• potting soil

• milk