Download Forms of Energy Review

Question #1
What type of energy is being used in a
pulley system?
Answer:
mechanical
Question #2
A car engine can’t have an efficiency of 100%
because some of the mechanical energy is
converted to
energy by friction.
Answer:
Heat or thermal
Question #3
Where on the roller coaster does the car have the most
potential energy and most kinetic energy?
Answer:
potential: point W
kinetic: point X
Question #4
Fill in the blanks:
• Kinetic energy depends on mass and
• Potential energy depends on mass and
Answer:
KE: depends on mass and speed
PE: depends on mass and height
.
.
Question #5
A light bulb converts
to
and
energy
energy
Answer:
converts electrical energy into light
(electromagnetic) energy and heat (thermal)
energy
Question #6
What is the energy conversion when a plant goes
through the process of photosynthesis?
Answer:
Light (EM) energy is converted to
chemical energy (sugar)
(100 points)
Question #7
What form of energy do foods, batteries and
gasoline contain?
Answer:
chemical energy
Question #8
Which scientific law explains why you have
the same total amount of energy at every
point on a roller coaster?
Answer:
Law of Conservation of Energy
Question #9
Name three units
used to measure
work and energy.
Answer:
Joule, calorie, kilowatt hour
Question #10
Name one renewable and one nonrenewable
source of energy.
Answers:
Renewable: left side/ nonrenewable: right side
Question #11
Match the definition to the form of energy it describes:
a.
b.
c.
d.
Energy stored in the nucleus of an atom
Energy produced by moving electrons
Energy stored in the chemical bonds of molecules
Energy that travels in waves (ex. UV rays, visible light)
Answers:
a. Nuclear
b. electricity
d. radiant/light/electromagnetic
c. chemical
Question #12
What is the energy conversion when
gasoline is burned to make a car move?
Answer:
chemical to mechanical