A) eat
B) fly
C) do work
D) conserve energy

A) heat
B) inertia
C) light
D) sound

A) a factory
B) the sun
C) a fire
D) the moon

A) water and oxygen
B) life on Earth
C) rocks and dirt
D) stars and planets

A) energy
B) wheels
C) wings
D) an engine

A) magnetic energy
B) nuclear energy
C) solar energy
D) sound energy

A) leaves
B) soil
C) food
D) water

A) the sun
B) energy in food
C) a magnet
D) heat from an oven

A) a fire
B) a magnet
C) a radio
D) the sun

A) the poles of the Earth
B) distant plantes
C) dead plants and animals
D) power plants

A) the ability to do work
B) the energy of motion
C) energy stored in an object
D) energy fromthe sun

A) energy from the sun
B) the ability to do work
C) energy stored in an object
D) the energy of motion

A) energy from the sun
B) energy stored in an object
C) the ability to do work
D) the energy of motion

A) heat energy
B) the energy of motion
C) energy stored in an object
D) energy fromt he sun