WorksheetsUnit 10 Test Review
Total questions: 38
Worksheet time: 34mins
Work is a transfer of
energy
mass
force
motion
The energy of motion is called
kinetic energy
thermal energy
potential energy
work
A small 30-kg canoe is floating downriver at a speed of 2 m/s. What is the canoe’s kinetic energy?
32 J
60 J
4.2 J
120 J
An object’s gravitational potential energy is NOT directly related to which of the following?
its height relative to a reference level
its speed
its mass
the acceleration due to gravity
Which of the following is an example of an object with elastic potential energy?
a wind-up toy that has been wound up
a stretched rubber band
a compressed basketball
all of the answers
Why is the gravitational potential energy of an object 1 meter above the moon’s surface less than its potential energy 1 meter above the Earth’s surface?
The object’s mass is less on the moon.
The object’s weight is more on the moon.
The object’s acceleration due to gravity is less on the moon.
A 4-kg cat is resting on top of a bookshelf that is 2 meters high. What is the cat’s gravitational potential energy relative to the floor if the acceleration due to gravity is 9.8 m/s2?
6 J
8 J
20 J
78 J
The gravitational potential energy of an object is always measured relative to the
location where the object’s kinetic energy is zero.
position of maximum mechanical energy.
reference level from which height is measured.
surface of Earth.
Which of the following increases when an object becomes warmer?
chemical energy
thermal energy
nuclear energy
elastic potential energy
The energy stored in gasoline is
chemical
mechanical
electromagnetic
nuclear
Nuclear power plants are designed to convert nuclear energy into what type of energy?
chemical
mechanical
electrical
geothermal
Solar cells convert what type of energy into electrical energy?
chemical
nuclear
electromagnetic
thermal
Which of the following statements is true according to the law of conservation of energy?
Energy cannot be created.
Energy cannot be destroyed.
Energy can be converted from one form to another.
all of the answers
The mechanical energy of an object equals its
chemical energy plus its nuclear energy.
kinetic energy plus its potential energy.
nuclear energy.
thermal energy.
The equation E = mc2 relates energy and
force
gravity
mass
work
In which of the following does Einstein’s famous equation apply?
a driver brings a car to a halt
collisions between objects
water falling in a waterfall
nuclear fission and fusion reactions
What is biomass energy?
the chemical energy stored in living things
the electromagnetic energy stored in living things
the nuclear energy stored in living things
the thermal energy stored in living things
Nonrenewable energy resources do not include which of the following?
coal
oil
hydroelectric power
uranium
Fossil fuels currently account for the majority of the world’s energy use because they are
distributed evenly throughout the world.
relatively inexpensive and readily available.
nonpolluting.
renewable energy resources.
A drawback of solar energy is that it
cannot be converted directly into electrical energy.
depends on the climate.
produces water pollution.
is not a renewable resource.
Which of the following types of transportation is NOT mass transportation?
bus
car
streetcar
train
Energy of an object increases when ___________ is done on the object.
conservation
work
power
joule
Energy and work are measured in the SI unit called the ___________.
newton
joule
pascal
watt
Energy that is stored due to position or shape is called ___________ energy.
kinetic
potential
thermal
nuclear
When a pole-vaulter flexes the pole, the pole-vaulter increases the pole’s __________ potential energy.
kinetic
thermal
elastic
gravitational
The sum of the kinetic energy and potential energy of an object is called its __________ energy.
thermal
mechanical
elastic
conversion
Wind turbines convert ________ energy into electrical energy.
kinetic
potential
elastic
thermal
The process of changing energy from one form to another is called energy ____________.
conversion
conservation
consolidation
“Energy cannot be created or destroyed” is a statement of the law of __________.
conversion of energy
conservation of energy
consolidation of energy
In the equation , E = mc2 , c is the speed of __________.
sound
light
gravity
energy
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.
renewable
nonrenewable
Turning off unused lights or appliances is an example of energy ___________.
conversion
conservation
consolidation
In what two ways can you increase the elastic potential energy of a spring?
stretch it
straighten it out
cut it in half
compress it
What energy conversion takes place as a ball sitting on top of a hill then rolls down the hill?
KE becomes PE
PE becomes KE
no conversion takes place
GPE becomes mechanical
What are two examples of a nonrenewable energy resource?
hydroelectric power
oil
solar power
coal
What are two examples of a renewable energy resource?
solar power
oil
coal
hydroelectric power
What is a characteristic of a renewable energy resource?
can’t be replaced except over the course of millions of years
originates from the sun directly or indirectly
Being used faster than they can be replaced
inexpensive, but produce pollution
How does biomass energy rely on the sun?
biomass is solar power
biomass is living things, which require the sun to grow
biomass doesn't rely on the sun
