What causes every object to fall to the ground?
gravity
What is made of metal that attracts metal objects which contain iron?
magnet
What is the ability to do work?
energy
What does not pollute the environment and is able to renew itself?
renewable energy resource
You can play, run or move because you have this.
energy
What do we use to make a nonliving thing move?
force
What is around the magnet where the magnetic force is felt?
magnetic field/magnetism
Where do you get your energy?
food
What are fossil fuels?
non-renewable energy
When you use less electricity to make supplies of coal and oil last longer, this is...
energy saving
What is the state of changing someone' or something's position of place?
movement or motion
If two same sides, or poles, of a magnet are put together, what will happen?
They will push each other away, or repel.
What are examples of how we can turn chemical energy into electric energy?
batteries
What will lead to pollution?
burning fossil fuels
When two opposite poles of magnet pull each other together, this is called...
attraction
What is one of the most important forces in our universe?
gravity
The primary cardinal directions and the intermediate directions are show on its face.
compass
People build generators and power stations to make what?
electric energy
What will lead to global-warming?
greenhouse gases
heat flow
Planets have what type of movement in the Solar System?
rotational
What is the Greek word for corner?
pole
Particles of the warmer matter move faster and pass heat energy toward particles of cooler ones. What is this called?
heat flow
What are at least three examples of renewable energy?
Choose any three: wind, geothermal, solar, hydro power, and biomass energy
Gravity of Earth causes every object to fall onto the ground. It is one of the most important forces of our universe since gravity keeps our solar system together. This is called...
gravitational interaction