Exercise 7 - Solids, Gases & Liquids

1. There are three main states that materials are found in. They can be solid, liquid or gas. Can you answer the questions below?
a.	Solids can be cut.	Select One TRUE FALSE
b.	Liquids take the shape of their container.	Select One TRUE FALSE
c.	Gases cannot be squashed.	Select One TRUE FALSE
d.	Liquids cannot flow.	Select One TRUE FALSE
e.	Solids cannot flow.	Select One TRUE FALSE
f.	Gases can fill any space.	Select One TRUE FALSE

 

2. We have listed some materials below. Can you name what state they are ?
a.			Select One GAS SOLID LIQUID
b.			Select One GAS SOLID LIQUID
c.			Select One GAS SOLID LIQUID
d.			Select One GAS SOLID LIQUID
e.			Select One GAS SOLID LIQUID
f.			Select One GAS SOLID LIQUID
g.			Select One GAS SOLID LIQUID
h.			Select One GAS SOLID LIQUID

 

3. Changes Of State Melting - when a solid is heated it changes into a front liquid. Condensation - when a gas is cooled it changes to a liquid. Evaporation - when a liquid is heated it changes to gas. Freezing - when a liquid is cooled it changes to a solid. Can you fill in the missing words?
a.	Water Select One FREEZES EVAPORATES MELTS CONDENSES to become ice.
b.	Ice Select One FREEZES EVAPORATES MELTS CONDENSES to become water.
c.	Steam Select One FREEZES EVAPORATES MELTS CONDENSES to become water.
d.	Water Select One FREEZES EVAPORATES MELTS CONDENSES to become steam.

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