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Name
Date
Class
States of Matter 9-1
On a separate sheet of paper, draw representations of the molecules in a solid, in a liquid, and in
a gas.
Name
Date
Class
States of Matter 9-1
Understanding Main Ideas
Answer the following questions in the space provided.
1. What are the general characteristics of a solid?
2. How do crystalline solids differ from amorphous solids?
3. How are liquids described in terms of shape and volume?
4. Explain why a sewing needle can float on the surface of water in
a glass.
5. What determines the shape and volume of a gas inside a container?
Building Vocabulary
If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
6. ____________________ Rubber and glass, which become softer as they are heated, are
examples of crystalline solids.
7. ____________________ When you see steam, fog, or clouds, you are seeing water in
the liquid state.
8. ____________________ The volume of a gas is the force of its outward push divided by
the area of the walls of the container.
9. ____________________ A(n) gas has a definite volume but no definite shape.
10. ____________________ A(n) fluid has a definite shape and volume.
Name
Date
Class
States of Matter 9-1
Fill in the blank to complete each statement.
1. The amount of space that matter fills is its ____________________.
2. A state of matter with a definite volume, but no definite shape is
a(n) ____________________.
3. A(n) ____________________ will always take the shape and volume of its container.
4. The ____________________ is a measure of the average speed of the particles in a
substance.
5. A(n) ____________________ has a definite volume but no shape of its own.
6. The ____________________ of a gas is the force of its outward push divided by the
area of the walls of its container.
If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
7. ____________________ Viscosity is the inward force among the molecules of a liquid.
8. ____________________ A(n) amorphous solid has a definite melting point.
9. ____________________ Both gases and liquids are fluids.
10. ____________________ All solids have a closely packed, fixed arrangement of particles.