Question: Choose your answer.

At what level of organization does damage compromise the function of the whole system?

OPTIONS:
- a cell
- an organ
- a tissue
- an organelle
My Answer: an organ

Question: Choose your answer.

Franklin wants to know how fast he runs different distances. He uses a stopwatch to measure the time it takes him to complete a 50-meter, 100-meter, and 200-meter race. How can he calculate his speed for each race?

OPTIONS:
- Add the distances and the times.
- Divide the distances by the times.
- Multiply the distances by the times.
- Subtract the distances from the times.
My Answer: Divide the distances by the times.

Question: Choose your answer.

Why are coal, oil, and natural gas called fossil fuels?

OPTIONS:
- They were once fossils.
- They were formed in prehistoric times.
- They are used to heat our homes and businesses.
- They formed from the remains of prehistoric plants and animals.
My Answer: They formed from the remains of prehistoric plants and animals.

Question: Choose your answer.

Forests have been cut and burned so that the land can be used to raise crops. Which consequence does this activity have on the atmosphere of Earth?

OPTIONS:
- It reduces the amount of carbon dioxide production.
- It reduces the production of oxygen.
- It decreases the greenhouse effect.
- It decreases pollutants in the air.
My Answer:
It reduces the production of oxygen.