WorksheetsEnergy PreTest
Total questions: 26
Worksheet time: 51mins
Newton's Law of Motion states that an object in motion stays in motion unless a force changes it. If you kick a ball, what force makes it stop?
Gravity
Friction
Both gravity and friction
Neither gravity and friction
Which of the following increases friction?
Freezing rain on a road
Wax on skis
Air blowing up on an air hockey table
Rubber soles on shoes
When you turn on a lamp, the electricity changes into what form of energy?
Heat and light
Sound and light
Electrical and light
Heat and electrical
When you place a metal spoon in boiling water, the handle becomes hot even though it is not touching the water. What kind of heat conduction is taking place?
Conduction
Convection
Radiation
All of the above
What task in the average home uses the most energy?
Lighting
Keeping food cold
Washing and drying clothes
Heating and cooling rooms
What type of light bulb is most efficient?
Incadescent
Compact fluorescent
Halogen
All light bulbs are the same
When you turn on the television, the electricity changes into which form of energy?
Sound
Light
Heat
All of the above
An increase in the motion of the molecules indicates an increase in which form of energy?
Radiant energy
Thermal energy
Chemical energy
Electrical energy
The human body uses the chemical energy in food to produce which form(s) of energy?
Mechanical
Chemical
Thermal
All of the above
All natural energy transformations can be traced back to which form of energy?
Mechanical
Chemical
Nuclear
All of the above
Molecules are farthest apart in which state of matter?
Solid
Gas
Liquid
Fluid
An incandescent bulb converts 10% of the energy it uses into light and 90% into what?
Radiant Energy
Potential Energy
Thermal Energy
Chemical Energy
As the thermal energy in a substance increases
molecule motion increases.
molecule motion decreases.
mass increases.
mass decreases.
Most of the energy we use originally came from the
Sun.
air.
soil
oceans.
Electrical energy can be produced from:
Mechanical energy
Chemical energy
Radiant energy
All of these
Which fuel provides the most energy?
Petroleum
Coal
Natural Gas
Solar
What sector of the U.S. economy consumes the most of the nation's petroleum?
Residential
Commercial
Industrial
Transportation
Propane is used instead of natural gas on many farms and rural areas. Why not natural gas?
It is safer
It is portable
It is cleaner
It is cheaper
Gasoline is produced by refining which fossil fuel?
Natural gas
Coal
Petroleum
Propane
Natural gas is transported mainly by
pipelines
trucks
barges
all 3 equally.
Global warming focuses on an increase in the level of which gas in the atmosphere?
Ozone
Sulfur dioxide
Carbon dioxide
Nitrous oxide
Solar, biomass, geothermal, wind, and hydropower are all renewable sources because they
are clean and free to use.
can be converted directly into heat and electricity.
can be replenished by nature in a short period of time.
do not product air pollution.
Today, which renewable source provide the US with the most energy?
Wind
Solar
Geotherman
Hydropower
How much of the energy in burning coal reaches the consumer as electricity?
1/3
1/2
3/4
9/10
In a nuclear power plant, uranium atoms
combine and give off heat energy.
split and give off heat energy.
burn and give off heat energy.
split and give off electrons.
Coal, petroleum, natural gas, and propane are called fossil fuels because
they are burned to release energy and cause air pollution.
they were formed from the buried remains of plants and tiny animals that lived hundreds of millions of years ago.
they are nonrenewable and will not run out.
they are mixed with fossils to provide energy.
