Study

unit 5 review

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What is a pure substance?

Is a form of matter with only 1 type of matter

How is the shape in solids?

definite

break glass is a...

physical, change in shape, irreversible

burning paper is...

chemical, combustion, irreversible

How is the shape in gases?

Not definite, expand in the container

How is the shape in liquids?

Not definite. Takes the shape of the container

What is a mixture?

Is a form of matter with 2 or more types of matter

What is a heterogeneus mixture?

When you can see the different types of matter

One example of a homogeneus mixture?

...

How is the volume in liquids?

definite

What is a homogeneus mixture?

When you can´t see the different types of matter

What is matter?

...

freezing water is a...

physical, change in state, reversible change

Change in shape is a...

Physical change

Change in state is a...

physical change

melting ice is a...

physical, change in state, reversible change

How is the volume in gases?

not definite

folding paper is...

physical, change in shape, reversible

One example of a heterogeneus mixture

...

What are the two types of changes in matter?

Physical and chemical changes

How is the volume in solids?

Definite

blowing a balloon is a ...

physical, change in shape, reversible change

What are thermal conductors?

can transfer thermal energy easily

What are thermal insulators?

can't transfer thermal energy easily

breaking a pen is a...

physical, change in shape, irreversible change