What is the difference between the number of frogs in the pond when the rainfall was 5cm and when the rainfall was 20cm?

• 20

• 40

• 50

• 60

Examine the population curves for wolves and moose in the graph below.

Which statement correctly describes the population relationship between the wolves and moose from 1968 to 1973?

• As the moose population increased the wolf population increased.

• As the moose population increased the wolf population decreased.

• As the wolf population decreased the moose population decreased

• As the wolf population increased, the moose population decreased.

A scientist wanted to see if the amount of garbage that Americans threw away changed over time. He collected information and then showed his results in the graph below.

Based on this graph, what could the scientist say about the amount of garbage that each person threw away?

• It increased over time

• it decreased over time

• it increased the most in 1980

• It decreased the most in 1990

Look at the line graph.  Which statement is consistent with the line graph?

• The ability of air to hold moisture increases as temperature increases.
• The ability of air to hold moisture decreases as temperature increases.
• The ability of air to hold moisture decreases and then increases as temperature increases.
• The ability of air to hold moisture stays the same regardless of temperature. 

What is the most likely explanation for the change seen after the two-minute mark?

• The person started exercising.
• The person fell asleep.
• The person inhaled.
• The person sat down.

How much faster is the heart beating during minute 5 than during minute 2?

• 10 beats per minute more
• 12 beats per minute more
• 15 beats per minute more
• 17 beats per minute more

What data does this graph represent?

• Change in temperature of a liquid over time in 3 different containers

• How temperature can change the molecules in a material

• The phase changes of a material

• What type of container people use the most to store hot liquids.

Which type of container keeps liquid the hottest for the longest time?

• Bag

• Cooler

• Cooler and bag are tied

• Styrofoam

What was the temperature of the liquid in the Styrofoam container at 4:00?

• 55 degrees

• 68 degrees

• 73 degrees

• 63 degrees

What conclusions can you draw from this graph?

• The deer population went down over time.

• The deer population went up over time.

• The dear population went up quickly, then down, but then stayed the same.

• There are less dear because of hunters