Bitesize has changed! We're updating subjects as fast as we can. Visit our new site to find Bitesize guides and clips - and tell us what you think!

Science

Radiation for life

Ultrasound - higher tier - Test

1.

The number of waves produced in one second is called the:

2.

When a longitudinal wave passes through air the particles vibrate:

3.

When a transverse wave passes through water the particles vibrate:

4.

Ultrasound cannot be heard by humans because:

5.

Why are X-rays NOT used to look at a baby in the womb?