5th Grade Units 1 and 2 Study Guide

Which substance did not dissolve in hot water according to Table 1?

• X

• Y

• Z

• W

Which substance dissolved immediately in both hot and cold water?

• W

• X

• Y

• Z

Based on Table 1, which of the following claims is supported by the data?

• The temperature of the water has no effect on how quickly substances dissolve.

• Some substances dissolve faster in warmer water.

• Substance Y is more soluble than the other three substances.

• Hot water dissolves substances faster than cold water.

According to the data in Table 1, how does substance X behave differently when dissolved in hot water compared to cold water?

Which substance took 40 seconds to dissolve in hot water?

• W

• X

• Y

• Z

What investigation is being conducted by the students in the classroom?

• The effects of temperature change on the volume and weight of water

• The effects of light on water properties

• The process of water cycle

• The chemical composition of water

According to Table 1, what was the volume of water at the beginning of the experiment?

• 102 mL

• 100 mL

• 105 mL

• 103 mL

After 24 hours in the freezer, what was the weight of the water?

• 102 g

• 100 g

• 105 g

• 103 g

Based on the data in Table 1, how did the volume of water change over the 24-hour period?

• It decreased by 5 mL

• It increased by 5 mL

• It remained the same

• It increased and then decreased

What can be inferred about the weight of the water during the 24-hour freezing period?

• It increased gradually

• It decreased gradually

• It remained constant

• It fluctuated