Energy

Photosynthesis

• light energy to electrical energy
• electromagnetic energy to chemical energy
• electrical energy to chemical energy
• chemical energy to kinetic energy

Unit for force

• J
• m/s²
• N
• kg

Which of the following variables does NOT affect an object's gravitational potential energy?

• height
• velocity
• mass
• acceleration due to gravity

Which of the following is NOT a form of electromagnetic radiation?

• infrared
• gamma
• nuclear
• ultraviolet

You increase your speed from 3 m/s to 9 m/s, by what factor does your kinetic energy increase? (Think about the KE equation)

• 3x
• 6x
• 9x
• it doesn't increase

What is the potential energy of a 3 kg rock that is 2 meters off the ground?

• 6 J
• 5 J
• 60 J
• 40 J

What are the units for mass?

• m
• kg
• s
• N

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

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

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic