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Energy Test

Total questions: 59

Worksheet time: 32mins

Name
Class
Date
1.

1-6: Match each term with the definition:

a)

Energy stored in chemical bonds

1.

Chemical Potential Energy

b)

Stored energy due to position

2.

Potential Energy

c)

Energy stored by something that can compress or stretch

3.

Elastic Potential Energy

d)

Energy stored due to an object's position above Earth

4.

Gravitational Potential Energy

e)

Energy a moving object has because of its motion

5.

Kinetic Potential Energy

2.

7. Explain whether an object can have potential or kinetic energy at the same time. Be specific in your explanation and provide an example to back up your reasoning.

4 lines
3.

8. Is it possible for an object at rest to have energy? Explain your reasoning.

4 lines
4.
9. Which of the following is NOT used to calculate kinetic energy (KE)? (mark all that apply)
a)
mass
b)
gravity
c)
height
d)
speed
5.
10. Which of the following is NOT used to calculate potential energy?
a)
mass
b)
gravitational acceleration
c)
height
d)
speed
6.
11. The ______________ energy of an object increases with its height.
a)
Chemical
b)
Kinetic
c)
Thermal
d)
Potential
7.
12. The kinetic energy of an object increases as its __________ increases.
a)
Height Above Earth
b)
Speed
c)
Potential Energy
d)
Volume
8.
13. Mechanical energy is the total kinetic and _________ energies in a system.
a)
thermal
b)
potential
c)
chemical
d)
electrical
9.
14. _________________ can cause kinetic energy to change into thermal energy.
a)
Friction
b)
Gravity
c)
Potential Energy
d)
Heat
10.
15. The gravitational potential energy of a coconut falling from a tree _______ as it gets closer to the ground.
a)
doesn't exist
b)
increases
c)
decreases
d)
remains constant
11.
16. The Law of ______________________ states that energy in a system can change forms but can never be created or destroyed.
a)
Conversion of Energy
b)
Consecration of Energy
c)
Conservation of Energy
d)
Construction of Energy
12.

17. What is the difference in the gravitational potential energy of a 7.75 kg book that is 1.5 m above the ground and a 9.53 kg book that is 1.75 m above the ground?

(a)  

13.

18. A 10 kg bag of groceries is sat on a counter 1 m above the floor. How much gravitational potential energy does the bag have?

(a)  

14.

19. 100 kg car is moving at a velocity of 10 m/s. What is the kinetic energy of the car?

(a)  

15.
20. When an energy transformation occurs, which of the following is TRUE?
a)
the total energy stays the same
b)
mass is changed to energy
c)
energy is destroyed
d)
nothing happens
16.
21. What happens when energy is transferred from one object to another?
a)
an explosion
b)
a change (motion, position, temperature, etc)
c)
a chemical reaction
d)
nothing happens
17.
22. When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occurs from the fuel to the movement of a car?
a)
thermal energy to mechanical energy
b)
thermal energy to chemical energy to mechanical energy
c)
chemical energy to thermal energy to mechanical energy
d)
chemical energy to electrical energy
18.
23. The roller coaster cart has the most kinetic energy at position-
a)
W
b)
X
c)
Y
d)
Z
19.
24. What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Kinetic
20.
25. Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to radiant
b)
Electrical to chemical
c)
Electrical to radiant
d)
Chemical to electrical
21.
26. Which point has the most potential energy?
a)
G
b)
F
c)
B
d)
A
22.

Match the following terms with the correct scenarios

a)

this type of heat transfer causes you to burn your hand when you touch a hot pan on the stove

1.

Conduction

b)

this type of heat transfer is how water is heated to boiling

2.

Convection

c)

this type of heat transfer is how the sun warms the earth

3.

Radiation

d)

a coat that keeps you warm in the winter time is an example of this

4.

Insulator

e)

metals allow heat to pass through them easily which makes them a good example of this

5.

Conductor

23.
32. Thermal Energy is measured in ____________.
a)
Joules
b)
Newtons
c)
°C
d)
J/kg
24.
33. Wind and ocean currents are formed by __________.
a)
Radiation
b)
Convection
c)
Conduction
d)
Condensation
25.
34. A material that reduces the flow of heat by conduction, convection, and radiation is a(n) _______________.
a)
Conductor
b)
Insulator
c)
Solar Collector
d)
Radiator
26.
35. All of the following are good conductors of heat EXCEPT ____________.
a)
Silver
b)
Aluminum
c)
Copper
d)
Air
27.
36. Through which of the following will convection most likely occur?
a)
Solids and Liquids
b)
Solids and Gases
c)
Solids
d)
Liquids and Gases
28.
37. The transfer of energy that does not require matter is ________________.
a)
Combusiton
b)
Conduction
c)
Convection
d)
Radiation
29.
38. Energy from the sun travels to Earth as _____________.
a)
Mechanical Energy
b)
Chemical Energy
c)
Radiant Energy
d)
Combustion
30.
39. Temperature measures the _______________ of the particles of a material.
a)
Heat
b)
Kinetic Energy
c)
Potential Energy
d)
Kinetic and Potential Energy
31.
40. Two equal masses of two different kinds of matter ___________________.
a)
Always have the same thermal energy
b)
Never have the same thermal energy
c)
Probably have the same thermal energy
d)
Probably have different thermal energy
32.
41. The specific heat of an object depends on its ________________.
a)
Chemical makeup
b)
Heat
c)
Temperature
d)
Thermal Energy
33.
42. Why do we use double pane windows filled with gas to reduce energy loss in our homes?
4 lines
34.
43. For many years, fast food restaurants served their hot sandwiches in plastic foam containers instead of wrapping them in less expensive paper. Why was plastic foam used?
4 lines
35.

44. You have a 5 gallon bucket full of water, and your friend has a 75 gallon bathtub full of water. Which will require more energy to raise the temperature? Why?

4 lines
36.

45. Does a substance that heats up quickly have a high or a low specific heat capacity? Does a substance that cools down quickly have a high or low specific heat capacity? Explain both.

4 lines
37.

46. Conduction can occur between solids, liquids, and gases. EXPLAIN why solids and liquids are better conductors of heat than gases. Provide an example to prove your point.

4 lines
38.
47. Explain why radiation usually passes more easily through gases than through solids or liquids. Provide an example to prove your point.
4 lines
39.

48. How much work (joules) is done when a force of 33 N pulls a wagon 13 meters?

(a)  

40.
49. Work is a measure of the energy needed to apply a force across a _______.
a)
time
b)
distance
c)
gravity
d)
object
41.
50. Efficiency is a ______ of what you put in versus what you get out of a system.
a)
source
b)
ratio
c)
multiplication
d)
addition
42.
51. What units are used to measure force?
a)
Joules
b)
Newtons
c)
Newton-meter
d)
Watt
43.
52. Find the work of a turtle that has a force of 27 newtons and travels a distance of 3 meters.
a)
81 Watts
b)
81 Joules
c)
9 Watts
d)
9 Joules
44.

53. Tommy does 15 Joules of work to push the pencil over 1 meter. How much force did he use?

(a)  

45.
54. Check the boxes of all of the resources listed below that are considered renewable.
a)
hydropower
b)

coal

c)
biomass
d)
solar
e)
nuclear
46.
55. The wise and careful use of energy resources is called __________.
a)
utilization
b)
conservation
c)
fuel economy
d)
recycling
47.
56. Petroleum, natural gas, and coal are three kinds of _________________.
a)
nuclear wastes
b)
synthetic fuels
c)
fossil fuels
d)
nuclear fuels
48.
57. Electricity produced by falling water is called ______________.
a)
tidal energy
b)
hydroelectricity
c)
thermodynamics
d)
geothermal energy
49.
58. One reason alternative energy sources are needed is because ______________.
a)
there is no limit to the supply of fossil fuels
b)
the supply of fossil fuels is diminishing
c)
the energy needs of the world are decreasing
d)
the population of the world is decreasing
50.
59. Why is coal considered a nonrenewable resource, but biomass, such as wood, is considered a renewable energy source?
4 lines
51.
60. How does sediment that is closer to the mid-ocean ridge compare to sediment that is farther away?
a)
it is larger
b)
it is smaller
c)
it is older
d)
it is younger
52.
61. Modern climates are a result of past movements of
a)
populations of organisms
b)
tectonic plates
c)
heat in Earth's interior
d)
rain and snow
53.
62. Convection, ridge push, and slab pull work together to produce
a)
continental lithosphere
b)
constant tectonic plate motion
c)
earthquakes
d)
fracture zones
54.
63. Frequent earthquakes in an area may indicate
a)
tectonic plate boundaries
b)
sea-floor spreading
c)
mantle convection
d)
reverse polarity
55.
64. What is one way tectonic plate movement affects climate?
a)
it creates mountains that affect wind patterns
b)
it changes the location of the equator and the poles
c)
it keeps ice sheets form melting
d)
it keeps air temperature constant
56.
65. Which of the following is the best conclusion that can be made from this graph?
a)
Atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
Humans have been working hard to decrease carbon dioxide levels
d)
Atmospheric carbon dioxide levels have increased steadily since 1960s.
e)
57.
66. Climate change can lead to _______________.
a)
sea level rise and floods in coastal areas
b)
droughts
c)

severe storms

d)
all of the above
58.
67. Why do we want to shift from nonrenewable energy sources to more renewable ones?
a)
They cause less pollution and CO2 to be put into our air/atmosphere
b)
The cause more pollution
c)
They are difficult to get and put into use
d)
They are cheaper
59.
68. Which human activity contributes the MOST carbon dioxide to the atmosphere?
a)
fishing
b)
farming
c)
breathing
d)
burning fossil fuels