Front

What effects might the doubling of the cattle population in Texas have on the ecosystem?

Back

The cattle need more space or more grass.

Front

What effects might the expansion of fishing near Antarctica have on the ecosystem? Options: The fish might become endangered. Any prey of these fish might overpopulate. Both answers are correct.

Back

Both answers are correct.

Front

According to our recent study, water does not shoot further from a bottle when mixed with detergent or coke.

Back

I agree with the hypothesis.

Front

Name two plant groups that have a combined growth less than that of plant 3.

Back

1 & 7

Front

Two 5th grade classes of 28 students participated in the following pet poll. How many of those students do not have the following pets?

Back

23

Front

During an investigation, Rachel placed two spoons in a pan of water on a heated hot plate. One spoon was made of wood and the other was made of metal. After several minutes, the metal spoon became much hotter than the wooden spoon. This most likely happened because:

Back

Wood is a good insulator; metal is a good conductor.

Front

The volume of each red marble is:

Back

1 mL

Front

According to recent temperature trends in New York City, one might predict which temperature on day 7?

Back

72

Front

Jane is setting up an experiment involving bean plants. She places a bean inside a damp paper towel, then places it inside a Ziploc bag. She takes another bean but places it inside a dry paper towel. She tapes both Ziploc bags to her classroom window next to each other. She checks each day to observe and record the data. Jane is most likely investigating which hypothesis:

Back

A dry bean grows quicker than a damp bean.