Final Exam Week 3 Review

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

• mechanical energy to chemical energy

• thermal energy to mechanical energy

• chemical energy to mechanical energy

• mechanical energy to thermal energy

Tags

NGSS.MS-PS3-5

Mechanical energy

• energy built up before being in motion
• energy released in a chemical reaction
• energy of motion
• sum of kinetic and potential energy

Tags

NGSS.MS-PS3-5

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

Solar Energy is transferred to _____ Energy.

• Mechanical
• Solar
• Sound
• Electrical

A push or pull = Force

• True
• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What happens as the incline increases?

• effort increases

• effort decreases

• effort stays the same

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move in both directions. 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is true about this picture?

• the forces are balanced

• the net force is 10N

• The net force is 3 N

• The net force is 7N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2