TEACHER: MARCOS RODRÍGUEZ UCEDO5º PRIMARY

UNIT 4: THE MATTER

What is matter?Matter is anything that has mass

and takes up space.

SOLIDS

SOLIDA solid is matter that has that has definite size and shape.

Example: Put a sneaker in a box. It stays the same.

Liquids

LIQUIDA liquid takes the shape of any container.

Example: Pour juice into a glass. The juice will take on the shape of the glass.

GAS

GasGas 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

MassMeasurement 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

VolumeMeasurement 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

ACTIVITY1.- Complete:

JOURNAL

• What are you doing now?

• What are you learning?