________ is the ability to do work or make a change.
- energy
- force
- cold
- warm
________ energy is replaced as used.
- renewable
- nonrenewable
- heat
- transfer
A ball falling in the air is an example of ____________ energy.
- kinetic
- potential
- heat
- electrical
A ball at the top of its flight in the air is an example of ____________ energy.
- kinetic
- potential
- heat
- electrical
A ball is tossed up in the air. It has the most kinetic energy at ____________ .
- the highest point in the flight
- the lowest position in the flight
- the beginning
- on the way up
A ball is tossed up in the air. It has the most potential energy at ____________ .
- the highest point in the flight
- the lowest position in the flight
- the beginning
- on the way up
Using only the energy we need is an example of energy ______________ .
- conservation
- conversion
- radiation
- law
Making electricity from a turning water wheel is an example of energy ______________ .
- conservation
- conversion
- radiation
- law
Renewable resources are _________________.
- coal, natural gas, and nuclear
- wind, sunlight, waves and trees
- wind, sunlight, nuclear and oil
- coal, natural gas, and trees
Nonrenewable resources are _________________.
- coal, natural gas, and nuclear
- wind, sunlight, waves and trees
- wind, sunlight, nuclear and oil
- coal, natural gas, and trees
The “Law of Conservation of Energy” states that energy cannot be _________ nor destroyed.
- created
- transferred
- lost
- captured
________ energy takes millions of years to replace.
- renewable
- nonrenewable
- heat
- transfer
Using hot water from rocks in the ground is a form of ________ energy.
- geothermal
- light
- electrical
- mass
________ energy stored in coal is released when it is burned.
- potential
- kinetic
- electrical
- machine
The more ________ a machine has, the faster work is done.
- power
- limestone
- work
- length