Revision 2

Which two forces act on the parachutes?

If you want to change the pitch of a sound, you have to change the ___

The process where the semen leaves the penis

What is the unit of measurement for pressure?

How does light behave when hitting this shirt?

Large intestine is responsible for absorbing the water. True or False

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

Which blood vessel carries blood into the heart

Which colour is a mix of blue and green light?

What structure helps the sperm to swim?

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

The eggs are produced in

What will happen when these magnets are brought near each other?

Bouncing of a light ray when it strikes a reflecting surface is called.........

This chamber of the heart RECEIVES blood returning from the body