Question: Choose your answer.

Some meteorologists use visual aids such as diagrams, maps, and charts when they present the weather to television viewers. How do different types of visual aids help the viewers understand complex weather phenomena?

OPTIONS:
- by combining knowledge from past reports with new information
- by providing information collected by other meteorologists
- by checking the accuracy of each part of the weather report
- by showing many components that impact the weather
My Answer: by showing many components that impact the weather

Question: Choose your answer.

What most likely happens to soil when crops are not rotated from year to year?

OPTIONS:
- The soil nutrients are depleted.
- The soil fertility increases.
- The soil becomes more porous.
- The soil erodes less rapidly.
My Answer: The soil nutrients are depleted.

Question: Choose your answer.

In 2004 the Hubble space telescope captured images of distant star clusters, each containing about a million stars. These star clusters were most likely part of which structure?

OPTIONS:
- a black hole
- a galaxy
- a nebula
- a solar system
My Answer: a galaxy

Question: Choose your answer.

Two scientists doing the same experiment got different results. Which would be the best way to figure out which result might be correct?

OPTIONS:
- A group of scientists should argue about the results.
- The two scientists should do different experiments.
- More scientists should do the experiment.
- A group of scientists should vote.
My Answer:
More scientists should do the experiment.