Cluster 1: Nature of Science (Day 1)

Cluster 1: Nature of Science (Day 1)

Multiple Choice

Students made an electromagnet by wrapping a wire in loops around an iron nail and attaching the wire to a battery, as shown in the picture. Based on the information from the table, which of the following is the outcome (dependent) variable in the experiment?

• A. The number of wire loops wrapped around the nail.

• The number of paper clips held by the electromagnet.

• The material the nail was made of.

• The size of the battery.

Multiple Choice

Based on the graph, what is the dependent variable, and what is the trend in the graph?

• A. Solubility; as temperature decreases, solubility increases.

• Solubility; as temperature increases, solubility increases.

• Temperature; as temperature increases, solubility increases.

• Temperature; a temperature decreases, solubility decreases.

Multiple Choice

The table below shows the results of an experiment with bread molds. According to the data, what are the best conditions for growing mold?

• A. Cold temperature and low humidity.

• B. Cold temperature and high humidity.

• C. Warm temperature and low humidity.

• D. Warm temperature and high humidity.