Intro to Energy
What is energy?
A) Matter in motion
B) The ability to do work
C) A form of electricity
D) Heat only
B) The ability to do work
Which is a renewable energy source?
A) Coal
B) Oil
C) Solar
D) Natural Gas
C) Solar
What kind of energy transformation happens in a toaster?
A) Electrical → Thermal
B) Chemical → Electrical
C) Kinetic → Light
D) Light → Chemical
A) Electrical → Thermal
Fossil fuels come from:
A) Wind and water
B) Sunlight and air
C) Ancient plants and animals
D) Tree sap and soil
C) Ancient plants and animals
The Sun is the original source of most:
A) Nuclear energy
B) Mechanical energy
C) Earth’s energy
D) Tidal energy
C) Earth’s energy
Nuclear energy comes from splitting:
A) Cells
B) Rocks
C) Molecule
D) Atoms
D) Atoms
Turning off lights when leaving a room is an example of:
A) Energy conversion
B) Energy conservation
C) Energy transfer
D) Energy loss
B) Energy conservation
Which is an example of potential energy?
A) A rolling ball
B) Flowing water
C) A lit light bulb
D) A stretched rubber band
D) A stretched rubber band
Nonrenewable resources will:
A) Never run out
B) Replace quickly
C) Take millions of years to form
D) Be safe for the environment
C) Take millions of years to form
In photosynthesis, plants convert:
A) Sound to electrical
B) Light to chemical
C) Heat to nuclear
D) Mechanical to chemical
B) Light to chemical
Biofuels are made from:
A) Recent plant and animal waste
B) Oil wells
C) Non-living rocks
D) Minerals in the ground
A) Recent plant and animal waste
Geothermal energy comes from:
A) The atmosphere
B) Oceans
C) Earth’s internal heat
D) Trees
C) Earth’s internal heat
A benefit of nuclear energy is:
A) Unlimited supply
B) No dangerous waste
C) Low carbon emissions
D) Renewable
C) Low carbon emissions
Energy efficiency means:
A) Wasting energy
B) Using more energy
C) Doing more with less energy
D) Avoiding all energy use
Doing more with less energy
Thermal energy is most closely related to:
A) The amount of water in a system
B) The color of an object
C) The motion of particles in an object
D) The shape of an object
C) The motion of particles in an object
Which of the following is NOT renewable?
A) Wind
B) Biomass
C) Geothermal
D) Petroleum
D) Petroleum
A flashlight converts battery energy into:
A) Chemical energy
B) Nuclear energy
C) Light and heat energy
D) Gravitational energy
C) Light and heat energy
Which is a benefit of biofuels over fossil fuels?
A) More pollution
B) Easily renewed
C) Always available
D) Higher carbon emissions
B) Easily renewed
Which energy source uses moving air?
A) Biomass
B) Solar
C) Wind
D) Coal
C) Wind
What is a major concern with nuclear power?
A) Too cheap
B) Radiation and waste
C) Low efficiency
D) It uses wind
B) Radiation and waste
Which appliance is the most energy-efficient?
A) Incandescent bulb
B) Gas oven
C) Electric stove
D) LED bulb
D) LED bulb
What form of energy does a moving car primarily have?
A) Kinetic
B) Nuclear
C) Chemical
D) Sound
A) Kinetic
Renewable energy sources are often better because they:
A) Create more pollution
B) Are always available
C) Replenish naturally
D) Are easier to burn
C) Replenish naturally
Which energy transformation occurs in a hydroelectric dam?
A) Chemical → Electrical
B) Mechanical → Electrical
C) Nuclear → Mechanical
D) Light → Chemical
B) Mechanical → Electrical
One disadvantage of using fossil fuels is:
A) They're renewable
B) They are inexpensive
C) They pollute the air
D) They are made from plants
C) They pollute the air
Hydroelectric power uses:
A) Steam from burning coal
B) Heat from the core
C) Moving water
D) Sunlight
C) Moving water
Uranium is used in nuclear reactors because it:
A) Is a gas
B) Can be burned
C) Can be split to release energy
D) Is renewable
C) Can be split to release energy
Insulation in homes helps:
A) Keep heat in
B) Increase energy use
C) Let heat escape
D) Waste electricity
A) Keep heat in
Which of the following is NOT a form of energy?
A) Light
B) Gravity
C) Sound
D) Nuclear
B) Gravity
Which of these is both renewable and non-polluting?
A) Oil
B) Coal
C) Solar power
D) Natural gas
C) Solar power
What energy conversion occurs when you eat food and then run?
A) Kinetic → Thermal
B) Electrical → Chemical
C) Chemical → Kinetic
D) Mechanical → Nuclear
C) Chemical → Kinetic
Which of the following is a biofuel?
A) Ethanol
B) Coal
C) Natural gas
D) Uranium
A) Ethanol
Which energy source is used in solar panels?
A) Heat
B) Light
C) Chemicals
D) Motion
B) Light
What type of reaction occurs in nuclear power plants?
A) Combustion
B) Fission
C) Fusion
D) Photosynthesis
B) Fission
Using public transportation helps conserve energy by:
A) Increasing fuel use
B) Reducing vehicle emissions
C) Wasting gasoline
D) Creating more traffic
B) Reducing vehicle emissions