A mineral is naturally-occurring.

• TRUE

• FALSE

All minerals have the same hardness.

• TRUE

• FALSE

It is described as the process of converting light energy into chemical energy by living organisms.

The entire surface of the Earth that contains living organisms is called _______.

• Biosphere

• Environment

• Atmosphere

• Universe

Which is in charge of hereditary info?

• RNA

• DNA

In a solution of saltwater (a saline solution), salt is the ______.

• Solute

• Solvent

• Colloid

• Concentration

Which is the weakest force in nature?

• Strong nuclear force

• Weak nuclear force

• Electromagnetic force

• Gravity

What term refers to the change of velocity with time?

• Gravity

• Distance

• Motion

• Acceleration

What is vaporization of dry ice an example of?

• Condensation

• Sublimation

• Evaporation

• Cavitation

Which of the following is not a scalar quantity?

• Volume

• Energy

• Mass

• Force