The Materials Cyberhunt

What is "matter"?

What are the "three states of matter"? What is the difference between them?

Play the Selecting Materials Quiz Machine. What is the best material to make hip joints out of?

Rock is one of the most important materials. What are the three main types of rock?

Why is water called the "universal solvent"?

What fraction of your body is made up of water?

Which material is best for conducting electricity?

What name is given to the big layer of gas that surrounds the Earth?

What is precipitation? What is transpiration?

Complete the "Changing Materials" activity. Give an example of a reversible change and an irreversible change.