19-20 8th grade mock final semester 1

27. What does a generator create?

• A
• B
• C
• D

30. law of conservation of mass

• F

• G

• H

• J

Kinetic energy is energy in _____________. 

• Change
• Looks
• Motion
• Altitude

Tags

NGSS.MS-PS3-4

Resistance is measured in a unit called the ____.

• ohm
• ampere
• coulomb
• volt

The statement that current is equal to the voltage difference divided by the resistance is known as ____.

• Einstein's equation
• Faraday's law
• Newton's law
• ohm's law

A material through which electrons do NOT easily flow is a(n) ____. 

• transformer
• fuse
• insulator
• conductor 

Lightning is ____. 

• a large discharge of static electricity
• buildup of neutrons
• a high-voltage electric current 
• harmless 

Explain why a golf ball that is his on the moon travels much farther than a golf ball that is hit with the same force on Earth. 

• The moon has no no gravity
• There is a greater gravitational pull on earth pulling the ball down.
• There is a greater gravitational pull on the moon pulling on the ball
• The earth has no gravity

Tags

NGSS.MS-PS2-4

The tendency of a stationary object to resist being put into motion is known as

• acceleration
• inertia
• weight
• velocity

• a lever
• a pulley
• a screw
• a wedge