TerraNova Science 2

Question 1

What is the basic unit of life?

Accepted Answer

Cell

Answer

Atom

Answer

Tissue

Answer

Organ

Question 2

Which gas do humans exhale in greater amounts compared to what they inhale?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Question 3

What force pulls objects toward Earth?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Friction

Answer

Tension

Question 4

Which layer of the atmosphere contains the ozone layer?

Accepted Answer

Stratosphere

Answer

Troposphere

Answer

Mesosphere

Answer

Thermosphere

Question 5

What is the term for an organism that makes its own food through photosynthesis?

Accepted Answer

Producer

Answer

Consumer

Answer

Decomposer

Answer

Predator

Question 6

What happens to water when it is heated to 100°C at sea level?

Accepted Answer

It boils and turns to steam

Answer

It freezes into ice

Answer

It becomes denser

Answer

It turns into acid