What colour is a glass recycling container?
Green
If the thermal energy in a liquid increases it becomes a gas. This process is called...
Evaporation
What type of energy is produced by everything that is in motion?
Kinetic energy
What colour is a non-recyclable rubbish container?
Grey
What do not have a definite shape or volume?
Gases
The sun produces lots of...
Thermal energy
What have a definite shape and volume?
Solids
The best method for seperating big solids from smaller solids is...
Sieving
The three states of matter are...
Gases, liquids and solids
How can we easily transform kinetic energy into thermal energy?
By rubbing our hands together
2 examples of electrical insulators are...
Wood and plastic
Electricity can pass through some materials very easily. These materials are called...
Electrical conductors
If the thermal energy in a solid increases, it becomes a liquid. This process is called...
Melting
What colour is a paper recycling container?
Blue
2 examples of electrical conductors are...
water and metal
If the thermal energy in a liquid decreases, it becomes a solid. This process is called...
Freezing
What colour is a plastic recycling container?
Yellow
What is a mixture?
Something that contains two or more types of matter
What have a definite volume but not a definite shape?
Liquids
What type of energy is produced by things that make a noise?
Sound energy
The best method for seperating solids from liquids is...
Filtering
Some materials do not allow electricity to pass through them. These materials are called...
Electrical insulators
The best way of separating a solid that is dissolved in a liquids is...
Evaporating
What type of energy allows you to see objects and their shapes?
Light energy