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Chemistry, Physics and Technology

Forms of matter

Temperature

Sink and float

Light and dark

Batteries and circuits

What is energy?

Natural energy

What is electricity?

What is magnetism?

Push and pull

Simple machines

The wheel

Hardworking machines

Engines:

Steam Engines

Internal Combustion Engines

Cars and trucks

Trains

Boats

Airplanes

Small planes and gliders

How mail works

Computers

Roads, bridges, tunnels

Factories

Building strong buildings

How to be an inventor

Blimps, Dirigibles and Zeppelins

Daedalus and Icarus