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WorksheetsUnit 2 - Chapters 4, 5, 8
Total questions: 42
Worksheet time: 26mins
At which point is potential energy greatest?
W
X
Y
Z
Anything that can fall has stored energy called _____.
Kinetic
Radiant
Gravitational Potential
Thermal
What kind of energy is in a rock at the edge of a cliff?
Gravitational potential energy
Motion energy
Chemical energy
Radiant energy
Which is the best example that something has kinetic energy?
a car parked on a steep hill
a tennis ball rolling across the court
a picture hanging on the wall
a piece of coal before it's burned
Calculate the gravitational potential energy relative to the ground when an 80 kg person climbs on the top of a 3.0 m stepladder. (Answers may be rounded)
240 Joules
780 Joules
29 Joules
2,400 Joules
Energy in motion is known as ___
kinetic energy
potential energy
stored mechanical
gravitational
The transfer of energy to a body by the application of a force that causes the body to move in the direction of the force is called ______.
Work
Potential energy
Kinetic energy
Stored Mechanical energy
At which point is kinetic energy greatest?
W
X
Y
Z
A 5kg cat is sitting on a bookshelf 2 meters above the ground. How much gravitational potential energy does the cat have? (Answers may be rounded)
10 Joules
100 Joules
50 Joules
20 Joules
You serve a volleyball with a mass of 2.0 kg. The ball leaves your hand with a speed of 30 m/s. Calculate the kinetic energy of the ball. (Answers may be rounded)
1800 Joules
900 Joules
15 Joules
60 Joules
At which point does the roller coaster car have the least kinetic energy?
W
X
Y
Z
A car is traveling west with a velocity of 40 m/s and has a mass of 1120 kg. Calculate the kinetic energy of the car. (Answers may be rounded)
22,400 Joules
44,800 Joules
439,000 Joules
896,000 Joules
At which point does the roller coaster car have the least potential energy?
W
X
Y
Z
Which of the following are examples of nonrenewable resources? (Select three)
Petroleum
Oil
Geothermal
Hydroelectric Energy
Natural gas
The two differences between renewable energy resources and nonrenewable energy resources is that a renewable resource is a natural resource __________. (Select two)
that can be replaced faster than humans can consume.
that cannot be replaced at a scale comparable to its consumption.
such as oil, gas, petroleum, and nuclear energy.
such as solar, wind, and geothermal energy.
Which of the two following situations is correct in relation to conservation of energy? (Select two)
A block sliding freely on level ice increases in speed until it hits the ground.
The height a ball bounces increases with each subsequent bounce.
A child playing on a swing moves faster at the bottom of the swing's path.
A ball dropped from the top of a building increases in speed until it hits the ground.
Energy can be transformed during changes of state describes the _____.
law of conservation of physical change
law of conservation of chemical change
law of conservation of energy
law of conservation of Thanos
These two are classified as nonrenewable resources: _______ and ________. (Select two)
wind turbines
fossil fuels
nuclear power plants
hydroelectric dams
Solar cells convert ___________.
energy from the wind to electrical energy
energy from moving water to electrical energy
nuclear energy to electrical energy
light energy to electrical energy.
Hydroelectric dams, windmill turbine plants, and solar cells
___________.
are major sources of energy used to produce electricity
all contribute significantly to air pollution
use renewable resources to produce electricity
use nonrenewable resources to produce electricity
__________ waste is any byproduct that results when radioactive materials are used.
Chemical
Nuclear
Potential
Electrical
This type of energy is a renewable resource and uses moving water to produce electricity.
hydroelectricity
thermal energy
nuclear plants
geothermal energy
Which of the following energy sources does not have a negative impact on the environment?
Nuclear
Oil and gas
Coal
Solar
One reason alternative energy sources are needed is because __________.
there is unlimited supply of fossil fuels
the world's population is decreasing
the world's energy needs are decreasing
the supply of fossil fuels is diminishing
Which of the following would help reduce pollution? (select three)
using energy-efficient appliances
walking to school
reusing & recycling materials
consuming fossil fuels
This type of heat transfer travels through space in electromagnetic waves is ______________________.
insulation.
radiation
conduction
convection
This is the transfer of thermal energy through the "flow" of warmer and cooler fluid. A lava lamp is an example of this type of thermal energy..
conduction
convection
radiation
Hot air rising or hot water rising are examples of
convection
radiation
conduction
insulation
The inside of a car when it's been sitting under the sun on a hot summer day is an example of
conduction
convection
radlation
insulation
The ground of a parking lot getting very warm on an extremely hot day is an example of
radiation
convection
insulation
conduction
The specific heat of a substance is defined as the amount of energy required to raise the temperature of 1 kg of a substance by 1 Kelvin. Using the graph, which statement is a reasonable hypothesis?
Metals require more energy than nonmetals to raise their temperature.
Water requires the least amount of energy to raise its temperature.
Lead requires more energy than ice to raise its temperature.
Metals require less energy than nonmetals to raise their temperature.
According to the graph, what will the oil production be during the year 2030?
25 billions of barrels per year
30 billions of barrels per year
20 billions of barrels per year
10 billions of barrels per year
Select two advantages to using nuclear energy rather than fossil fuels. (Select two)
A small amount of nuclear energy provides a larger amount of fuel supply.
Using nuclear energy produces highly radioactive wastes.
Using nuclear energy can result in catastrophic events like Chernobyl.
Using nuclear energy, generates less pollutants than fossil fuels.
Select two disadvantages to using nuclear energy rather than fossil fuels. (Select two)
Nuclear energy does not produce any greenhouse gas like carbon dioxide (CO2)
Nuclear power plants require less space because the power plant is compact.
There is no long-term storage solution for radioactive wastes produced by nuclear energy.
Nuclear fuel rods remain highly radioactive for thousands of years.
Which energy source best describes the stored energy in a battery?
Chemical
Nuclear
Kinetic
Gravitational Potential
The energy stored in the bonds of atoms and molecules located in an object is called _____.
gravitational potential energy
kinetic energy
nuclear energy
chemical energy
Carrying a bag of groceries is considered doing work.
True
False
Energy stored due to its position is known as ___
kinetic energy
potential energy
stored mechanical
gravitational
Energy can be transformed during changes of state is known as
Law of Conservation of Mass
Law of Conservation of Matter
the Conservative Party
Law of Conservation of Energy
