Indiana Science Grade 7

Chapter 13: Energy and Energy Resources

Energy

1.
What two factors determine how much potential energy an object has?
A)speed and surface area
B)speed and position
C)mass and position
D)speed and mass
2.
Which of the following is an example of electrical energy?
A)burning wax producing a flame
B)your body utilizing food to maintain your internal temperature
C)the Sun warming a windowsill
D)lightning
3.
During energy transformations, energy is never __________.
A)created or destroyed
B)released as heat
C)used to increase an object's potential energy
D)completely transformed
4.
__________ is the energy of hot objects.
A)Kinetic energy
B)Potential energy
C)Thermal energy
D)Entropy
5.
A __________ is a device that transforms kinetic energy into electrical energy.
A)generator
B)turbine
C)furnace
D)boiler
6.
What is the reason that solar energy is not a primary source of energy for generating electricity?
A)The necessary technology has not yet been developed.
B)It generates toxic waste products.
C)It is too expensive.
D)It is a nonrenewable resource.
7.
__________ is the ability to cause change.
A)Momentum
B)Work
C)Power
D)Energy
8.
__________ energy is the type of energy light has.
A)Radiant
B)Potential
C)Thermal
D)Electrical
9.
Which of the following sources of energy is considered an alternative resource?
A)petroleum
B)geothermal
C)fossil fuels
D)nuclear
10.
An energy source that will eventually run out is called a(n) __________ resource.
A)non-renewable
B)conserved
C)endangered
D)renewable
11.
What two factors determine how much kinetic energy an object has?
A)position and mass
B)speed and position
C)speed and mass
D)speed and surface area
12.
Which of the following objects has kinetic energy?
A)a ball rolling across the floor
B)a bicycle parked at the top of a hill
C)a sunny windowsill
D)leaves lying on the ground beneath a tree
13.
Gasoline is an energy source that is refined from __________.
A)radioactive isotopes
B)geothermal energy
C)oil
D)runoff
14.
Which of the following is used to produce the greatest amount of electrical energy in the United States?
A)wind power
B)coal
C)nuclear power
D)hydroelectric power
15.
Which of the following objects has potential energy?
A)a ball rolling across the floor
B)a bicycle coasting down a hill
C)a bowling ball knocking over a pin
D)a glass sitting on a table
16.
Hydropower utilizes __________ to generate electricity.
A)nuclear reactions
B)water
C)hydrogen
D)fossil fuels
17.
__________ is the energy stored in an object due to its position.
A)Potential energy
B)Kinetic energy
C)Entropy
D)Thermal energy
18.
All power plants use fuel to supply energy that turns __________.
A)treadmills
B)generators
C)windmills
D)drive shafts
19.
Which of the following types of energy is NOT useful to the human body?
A)electrical
B)chemical
C)thermal
D)kinetic
20.
As energy transformations occur within a system, the total energy of the system __________.
A)increases
B)decreases
C)remains constant
D)is transferred out of the system
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