A) fly B) conserve energy C) eat D) do work
A) heat B) inertia C) light D) sound
A) the sun B) the moon C) a fire D) a factory
A) life on Earth B) stars and planets C) rocks and dirt D) water and oxygen
A) an engine B) wings C) wheels D) energy
A) nuclear energy B) solar energy C) sound energy D) magnetic energy
A) food B) soil C) water D) leaves
A) energy in food B) the sun C) heat from an oven D) a magnet
A) a fire B) a magnet C) the sun D) a radio
A) dead plants and animals B) power plants C) distant plantes D) the poles of the Earth
A) energy stored in an object B) energy fromthe sun C) the ability to do work D) the energy of motion
A) energy stored in an object B) energy from the sun C) the ability to do work D) the energy of motion
A) energy from the sun B) the ability to do work C) the energy of motion D) energy stored in an object
A) energy stored in an object B) heat energy C) the energy of motion D) energy fromt he sun |