A) water
B) oxygen
C) computer
D) oil

A) ice
B) food
C) plants
D) energy

A) ice that melts
B) other planets in our solar system
C) electricity that creates oil, coal, and natural gas
D) plants and animals that existed long ago

A) water
B) oil
C) sunlight
D) apple

A) renewable
B) nonrenewable
C) inexhaustible
D) nonexistent

A) heat and pressure
B) power plants
C) ice and solar power
D) ancient peoples

A) Once used up, there will be no more.
B) They are limitless.
C) Fossil fuels come from the sun.
D) Coal and oil are renewable.

A) water
B) oil
C) coal
D) gasoline

A) potential energy
B) chemical energy
C) solar energy
D) magnetic energy

A) It is unusable.
B) It is an inexhaustible resource.
C) It cannot be transformed into electrical energy.
D) It is a nonrenewable resource.

A) nonrenewable
B) renewable
C) inexhaustible
D) nonexistent

A) materials in the environment that are useful to people
B) forms of energy
C) unusable objects in the environment
D) technology created by man

A) natural resources that humans can create
B) natural resources, such as fossil fuels, that will eventually be used up and can never be replaced
C) natural resources that have not yet been discovered
D) natural resources that are limitless

A) materials burned for energy
B) objects created after a fire
C) nutrients that promote growth
D) items found inside plants

A) resources produced in a factory
B) limitless resources
C) fossil fuels
D) natural resources that can be replaced over time

A) do not provide us with energy
B) produce new fossil fuels
C) will never be used up
D) will be used up in a few years

A) renewable
B) nonrenewable
C) inexhaustible
D) underdeveloped

A) natural gas
B) oil
C) coal
D) wood

A) solar energy
B) lumber
C) water
D) coal