KS2 SATs KS2 Science Extended

Question 1

What is the difference between a conductor and an insulator in electricity?

Accepted Answer

A conductor allows electricity to flow through it; an insulator does not

Answer

A conductor blocks electricity; an insulator allows it to flow

Answer

Both conduct electricity equally

Answer

Neither conducts electricity

Question 2

What is the name of the process by which plants lose water through their leaves?

Accepted Answer

Transpiration

Answer

Condensation

Answer

Evaporation

Answer

Absorption

Question 3

What are the main components of blood?

Accepted Answer

Red blood cells, white blood cells, platelets, and plasma

Answer

Only red blood cells

Answer

Water and oxygen

Answer

Glucose and minerals only

Question 4

What is a food web?

Accepted Answer

Several food chains linked together showing feeding relationships in an ecosystem

Answer

A single food chain

Answer

A list of all the animals in a habitat

Answer

A diagram showing only predators

Question 5

What is the name for the natural satellite that orbits the Earth?

Accepted Answer

The Moon

Answer

A comet

Answer

A star

Answer

A planet

Question 6

What does 'adaptation' mean in biology?

Accepted Answer

A feature that helps an organism survive in its environment

Answer

An animal moving to a new habitat

Answer

A change in the weather

Answer

An animal learning a new skill