Movement and Gravity
Magnetic Force and Electric Charges
Electricity in Everyday Life
Energy Resources
Need to Know Revision
100

What causes every object to fall to the ground?

gravity

100

What is made of metal that attracts metal objects which contain iron?

magnet

100

What is the ability to do work?

energy

100

What does not pollute the environment and is able to renew itself?

renewable energy resource

100

You can play, run or move because you have this.

energy

200

What do we use to make a nonliving thing move?

force

200

What is around the magnet where the magnetic force is felt?

magnetic field/magnetism

200

Where do you get your energy?

food

200

What are fossil fuels?

non-renewable energy

200

When you use less electricity to make supplies of coal and oil last longer, this is...

energy saving

300

What is the state of changing someone' or something's position of place?

movement or motion

300

If two same sides, or poles, of a magnet are put together, what will happen?

They will push each other away, or repel.

300

What are examples of how we can turn chemical energy into electric energy?

batteries

300

What will lead to pollution?

burning fossil fuels

300

When two opposite poles of magnet pull each other together, this is called...

attraction

400

What is one of the most important forces in our universe?

gravity

400

The primary cardinal directions and the intermediate directions are show on its face.

compass

400

People build generators and power stations to make what?

electric energy

400

What will lead to global-warming?

greenhouse gases

400
If you heat matter, the particles of a warmer matter move faster and pass heat energy towards particles of cooler ones. This is called...

heat flow

500

Planets have what type of movement in the Solar System?

rotational

500

What is the Greek word for corner?

pole

500

Particles of the warmer matter move faster and pass heat energy toward particles of cooler ones. What is this called?

heat flow

500

What are at least three examples of renewable energy?

Choose any three: wind, geothermal, solar, hydro power, and biomass energy

500

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