G2 1st 6 Weeks Science Test.

How do we know that a salad is a mixture?

• The salad is made of different types of food

• Bits of the salad can be picked up with a fork

• The salad’s mass can be measured with a balance

• The items in the salad are mostly solid

There are four jars filled with different materials. The jar that contains a mixture is the jar that is filled with-

• Ice

• Salt

• Marbles

• Pennies and Dimes

A copper penny turning green after a few years is an example of ...

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

Identify the change:

Glass breaking

• Physical

• Chemical

How did the object change?

• evaporation

• condensation

• crumpling

• freezing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

What are the three states of matter?

• Rock, Brick, Shoe

• Solid, Liquid, Gas

• Liquid, Water, Soda

• Rain, Sleet, Snow

Tags

NGSS.MS-PS1-4

Which form of matter take the shape of a container like this juice?

• liquid
• solid
• glass
• gas

Which change is happening?

• Melting

• Freezing

Tags

NGSS.MS-PS1-4

What property of water changes after creating a solution of lemon juice and water?

• Shape

• Temperature

• Taste

• State

Tags

NGSS.MS-PS1-2

When a substance changes from a gas to a liquid, this is called...

• Melting

• Evaporation

• Condensation

• Freezing

Tags

NGSS.MS-PS1-4