A ball sitting on a ledge has what kind of energy?
What is potential energy?
100
These are coal, oil, and natural gas. All are formed by the remains of microscopic organisms or ancient plants and animals.
What are fossil fuels?
100
TRUE or FALSE -- Nuclear power is renewable.
What is false?
200
This energy increases as the temperature increases.
What is thermal energy?
200
Energy stored in an object because of its position.
What is potential energy?
200
Solar energy can be stored in a __________ to be used when the sun is not shining.
What is a battery?
200
This is the largest renewable source of energy based on rain and snow fall which keeps rivers flowing.
What is hydroelectric energy?
200
Nearly all energy used today can be traced to this.
What is the sun?
300
Energy carried by light.
What is radiant energy?
300
TRUE or FALSE -- The faster a ball goes, the more kinetic energy it has.
What is true?
300
A baseball thrown into the air has kinetic and potential energy. Explain.
What is the ball has kinetic energy when it is thrown into the air and just before it falls back down it pauses for a second and has potential energy. As the ball falls back to the ground it has kinetic energy again.
300
This type of energy is created when atoms in a nucleus become unstable and break apart releasing enormous amounts of energy.
What is nuclear energy?
300
An energy source that is used up much faster than it can be replaced.
What is nonrenewable resource?
400
Energy carried by an electric current.
What is electrical energy?
400
TRUE or FALSE -- Kinetic energy decreases as the mass of the object increases.
What is false?
400
TRUE or FALSE -- Pesticides may affect other animals besides the pests.
What is true?
400
This means an energy source can't be used up by humans.
What is inexhaustible resource?
400
An energy source that is replenished continually.
What is renewable resource?
500
This type of energy is stored in chemical bonds while this other type of energy is stored in the nucleus of an atom.
What are chemical energy and nuclear energy?
500
Energy is never created or destroyed; but it can change form.
What is law of conservation of energy?
500
Every power plant works on the same idea. What two things must a power plant have to generate electricity?
What are a generator and a turbine?
500
The heat generated inside Earth is called this.
What is geothermal energy?
500
These are the 5 kinds of inexhaustible energy sources (ones humans can't use up).
What are solar, geothermal, oceans (tides), hydroelectricity, and wind?