Physical Science Chapter 15 Test B
 
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Physical Science Chapter 15 Test B

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Fossil fuels currently account for the majority of the world’s energy use because they are
a.
distributed evenly throughout the world.
b.
nonpolluting.
c.
relatively inexpensive and readily available.
d.
renewable energy resources.
 

 2. 

A drawback of solar energy is that it
a.
cannot be converted directly into electrical energy.
b.
depends on the climate.
c.
produces water pollution.
d.
is not a renewable resource.
 

 3. 

A benefit of a hydrogen fuel cell is that its byproduct is
a.
carbon dioxide.
c.
water.
b.
oxygen.
d.
uranium.
 

 4. 

Which of the following types of transportation is NOT mass transportation?
a.
bus
c.
streetcar
b.
car
d.
train
 

 5. 

Based on your knowledge of energy conservation, which of the following statements is true?
a.
Manufacturers can increase a light bulb’s energy efficiency by using technology that increases the amount of electromagnetic energy the bulb converts from a given amount of electrical energy.
b.
Energy can be conserved by turning off lights when they are not in use.
c.
both a and b
d.
neither a nor b
 

Completion
Complete each statement.
 

 6. 

Energy of an object increases when ____________________ is done on the object.
 

 

 7. 

Energy and work are measured in the SI unit called the ____________________.
 

 

 8. 

If the ____________________ of an object doubles, its kinetic energy doubles.
 

 

 9. 

The kinetic energy of an object is proportional to the square of its ____________________.
 

 

 10. 

Energy that is stored due to position or shape is called ____________________ energy.
 

 

 11. 

When a pole-vaulter flexes the pole, the pole-vaulter increases the pole’s ____________________ potential energy.
 

 

 12. 

You can calculate an object’s gravitational potential energy by using the equation ____________________.
 

 

 13. 

Mechanical energy does not include kinetic energy or ____________________ energy.
 

 

 14. 

The sum of the kinetic energy and potential energy of an object is called its ____________________ energy.
 

 

 15. 

All energy can be considered as kinetic energy, ____________________ energy, or the energy in fields.
 

 

 16. 

Wind turbines convert ____________________ energy into electrical energy.
 

 

 17. 

The process of changing energy from one form to another is called energy ____________________.
 

 

 18. 

“Energy cannot be created or destroyed” is a statement of the law of _________________________.
 

 

 19. 

When an apple falls from a tree to the ground, the apple’s beginning kinetic energy and ending gravitational potential energy are both equal to ____________________.
 

 

 20. 

In Figure 15-1, the kinetic energy of the pendulum bob decreases between locations B and ____________________.
 

 

 21. 

In the equation E = mc2, c is the speed of ____________________.
 

 

 22. 

Energy resources that exist in limited amounts and, once used, cannot be replaced except over the course of millions of years are called ____________________ energy resources.
 

 

 23. 

Flat collector plates through which water flows are found in ____________________ solar energy systems.
 

 

 24. 

Geothermal energy, in addition to being renewable, offers the benefit of being ____________________.
 

 

 25. 

Turning off unused lights or appliances is an example of energy ____________________.
 

 



 
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