Science Study Guide

Changes in State

Science 6-4

Study Guide

Pages E-14/E-19

Please proceed to cy and complete the following Study Guide in your notebook.

Use two colors one for questions and one for answers.

1) The three states of matter are _____________, _____________ and _____________.

2) _____________ and _____________ are key factors that affect water states.

3) Whats the difference of solid, liquid, and gas?

4) Draw three models that represent the molecules in a solid, a liquid and a gas. Under each write a brief explanation of how are molecules displayed.

5) Why does a solid keep its shape?

6) Whay does a liquid flow?

7) Why can the volume of a gas change?

8) When will a gas become liquid?

9) _____________ changes a substance from a liquid to a solid.

10) _____________changes a solid to a liquid.

11) _____________changes a substance from a liquid to a gas.

12) When does evaporation occur?

13) When does condensation occur?

14) Whats sublimaion?

15) What process is the opposite of evaporation?

16) Whats the difference between boiling point and melting point?

17) Give an example of a substance that can boil, but will never melt?

18) Explain the difference between boiling point and freezing point.

19) When will the temperature at which a substance mets and freezes be the same?

20) Draw or use cut outs to show two substances that are solids two that are liquids and two that are gases at room temperature.

21) Investigate the Formula for Changing Centigrates to Farenheit ; Farenheit to Centigrades