Types of waves

1

What type of wave travels at right angles to the energy transfer?

2

What type of waves are light and the other forms of electromagnetic radiation?

3

What type of wave has areas of rarefaction and compression?

4

What are the two types of seismic wave?

5

What layer is below the crust?

6

What part of the Earth is made from nickel and iron?

7

Which type of seismic wave can travel through solids only?

8

What happens to S waves when they reach the boundaries of the Earth's structure?

9

What is the centre of an earthquake called?

10

Which type of seismic wave travels the fastest?