Question: Choose your answer.

Students on two different school campuses are comparing the growth rate of grass three weeks after fertilizer has been applied. The same fertilizer and the same amount of water are used on both campuses. Which additional variable is most important to control when the results of the two investigations are compared?

OPTIONS:
- type of grass used
- amount of trees in the area
- the weather conditions of the day
- the time of day the measurements are taken
My Answer: type of grass used

Question: Choose your answer.

Which of these groups contains single-celled organisms?

OPTIONS:
- birds
- plants
- fungus
- animals
My Answer: fungus

Question: Choose your answer.

Which is the most likely response of a human to an increase in temperature?

OPTIONS:
- increasing the amount of perspiration
- increasing waste elimination from the bladder
- a reduction in the desire for liquids
- a contraction in blood vessels in the skin
My Answer: increasing the amount of perspiration

Question: Choose your answer.

The Mariana Trench is the deepest ocean trench on Earth. This trench occurs at a plate boundary where

OPTIONS:
- one plate is sliding past another.
- one plate is being forced beneath another.
- two plates are colliding into each other.
- two plates are pulling apart from each other.
My Answer:
one plate is being forced beneath another.