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

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

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

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

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

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

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

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

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

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

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

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