Revision Grade 7

Which type of joint allows circular movement?

Which nutrient is used to grow and repair muscles?

What are the two particles that makes up part A?

What separation technique is shown?

What is the name of part A?

A solid that does not dissolve in a liquid is called

The color produced when blue and green light are added

Insects eat fruit. Farmers use a toxic substance to kill insects that eat the fruit on their fruit trees. Quolls are also killed by this toxic substance. Explain why.

Which blood cell fights off pathogens?

Look at the diagram showing a blood capillary carrying blood to and from an alveolus (air sac) in the lungs. Oxygen in the alveolus enters the blood. Name this process.

This is also known as the turning effect

What is the charge of an electron?

Which is an example of renewable energy?

An increase in the overall temperature of the Earth's atmosphere

Which word describes using a model?

What gas is produced during respiration?

What do we call the force acting an object when they are equal in magnitude but in opposite directions?

Which food in the table contains most energy?

Give two examples of secondary consumer in this diagram?

These are the things that are kept the same in an investigation.

What do we call the protein in blood that carries oxygen?

This is a component of food that helps prevent constipation

Who made the correct prediction?

The liquid part of the blood is called