7th Grade Science Final Exam Review

All matter is made of

• cells

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

Tags

NGSS.MS-PS1-1

Definition: Anything that takes up space and has mass must be

• volume

• matter

• mass

• density

A state of matter that has a definite volume and shape.

• solid
• liquid
• gas
• matter

Tags

NGSS.5-PS1-3

A measure of how much mass is contained in a given unit of volume.

• mass
• density
• volume
• matter

Tags

CCSS.HSG.MG.A.2

Iron + oxygen = rust is an example of a ___________.

• physical property/change

• chemical property/change

• mass

• volume

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A block of aluminum has the following dimensions:

length- 4.5 cm

height- 3.3 cm

width- 10.5 cm

Calculate the volume using the formula V=LWH to nearest tenth with proper unit.

• 155.9 cm³

• 156.0 cm³

• 18.3 cm³

• 155.9 cm

Which phase change can occur when you add enough heat energy to liquid water?

• The water can change from a liquid to a solid (freezing)

• The water can change from a gas to a liquid (condensation)

• The water can change from a liquid to a gas (vaporization)

• The water can change from a solid to a liquid (melting)

Tags

NGSS.MS-PS1-4

To separate the sugar and lemonade what method should you use?

• filtration

• sieving

• magnet

• evaporation/boiling

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt