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TEACHER: MARCOS RODRÍGUEZ UCEDO
5º PRIMARY
What is matter?
Matter is anything that has mass
and takes up space.
SOLIDS
SOLID
A solid is matter that has that has definite size and shape.
Example: Put a sneaker in a box. It stays the same.
Liquids
LIQUID
A liquid takes the shape of any container.
Example: Pour juice into a glass. The juice will take on the shape of the
glass.
GAS
Gas
Gas is matter that has no definite shape. Gases take the shape of
whatever container they are in .
Example: The air all around us is a gas.
CHANGES OF STATES
Mass
Measurement of the amount of matter
(or stuff) in an object
• Measured in grams (g)
There are 3 states
of matter:
Solid
Liquid
Gas
There are 3 states
of matter:
Solid
Liquid
Gas
Volume
Measurement of the amount of space an object
takes up
• Measured in milliliters (ml) o litre (l)
Which do you think would have the
greater volume? The greater mass?
Why?
1 kg of feathers
1 kg of rocks
Properties of matter
• HARDNESS
• FRAGILITY
• ELASTICITY
• DENSITY
Density is defined as mass per unit volume. It is a measure
of how tightly packed and how heavy the molecules are in
an object. Density is the amount of matter within a certain
volume.
Density
ACTIVITY
1.- Complete:
JOURNAL
• What are you doing now?
• What are you learning?

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Unit 4. natural sciences.