WHAT IS MATTER?
What is matter?
Everything we can see.
What is mass?
Quantity of matter an object has.
When do matter normally change?
When it cools or heats.
What types of mixtures are there?
Heteorgeneous and homogeneous.
What are the three states of matter?
Solid, liquid and gas.
What is volume?
Space matter occupies.
What is the change when ice changes to water?
Melting.
What is a heterogeneous mixture?
The one whose elements can be seen separately.
Say 1 characteristic of solid state.
It has its own shape, we can cut or break it, it always occupies the same amount of space.
What instrument do we use to measure mass and how do we express it?
Scales – Grams or Kilograms.
What is the change when water changes to steam?
Evaporation.
What is a homogeneous mixture?
The one whose elements cannot be seen separately.
Say 1 characteristic of gas state.
It has the shape of the container, it expands to fill a space, we can’t cut or pour it.
What instrument do we use to measure volume and how do we express it?
Measuring Jug - Mililitres or Litres
What is the change when water changes to ice?
Solidification.
Say one example of evaporation.
Water and salt.
Say 1 characteristic of liquid state.
We can pour it, it always occupies the same amount of space, it has the shape of the container.
What’s the difference between natural and artificial materials?
Natural materials come from nature. Artificial materials are made by humans.
What is the change when steam changes to water?
Condensation.
Say one example of filtration.
Pasta and water.