Magnets
The Earth
Waves
100

This is generated when a bar magnet is moved through a wire coil.

What is electric current

100

The plate boundary between two plates moving together.

Convergent boundary      ඞ

100

The top of a wave.

What is the crest?

200

This object uses mechanical energy to produce electricity.

What is an electric generator

200

These are created when two convergent plates collide.

What is mountains, island arcs, volcanoes and ocean trenches. 

200

How often the particles of the medium vibrate when a wave passes through the medium

What is frequecny?

300

This is created from a coil wire wrapped around an iron core connected to an electric current.

What is an electromagnet

300

These tides occur when there is a new or full moon.

What is spring tides

300

The two types of waves.

What is longitudinal and transverse waves?

400

This is how you increase the strength of an electromagnet without adding more coils.

Increase the electric current.

400

This is the thickest layer

What is the mantle?

400

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

What is wavelength?

500

The Earth is like this kind of magnet.

What is a bar magnet.

500

This is the most dense layer.

What is the inner core?

500

The bottom of a wave.

What is the trough?


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