Question: Choose your answer.

Which of these resources is renewable?

OPTIONS:
- natural gas
- oil
- coal
- wind
My Answer: wind

Question: Choose your answer.

Which tool is used to determine the mass of an object?

OPTIONS:
- ruler
- beaker
- balance
- thermometer
My Answer: balance

Question: Choose your answer.

When an earthquake wave passes from the crust to the mantle, the wave

OPTIONS:
- reverses direction.
- changes speed.
- increases energy.
- stops moving.
My Answer: changes speed.

Question: Choose your answer.

The chemical formula for water is H_{2}O. What does the formula show about each element in the compound?

OPTIONS:
- the number of valence electrons
- the charge of the compound
- the mass of protons in each atom
- the number of atoms of each element
My Answer:
the number of atoms of each element