Y5 HIS Science Revision (red)

What do male animals need in order to reproduce and create an offspring?

• an animal of a different species

• a female of the same species

• food and warmth

• pollination

Leo's hair is going grey and his bones are getting weaker. What stage of life is he in?

• adolescence

• childhood

• adulthood

• old age

A horse is a mammal. Which stage is part of a horse's life cycle?

• metamorphosis

• lays eggs

• gives birth to live young

• grows from a tadpole

This is the larva of a beetle. What is the next stage of the beetle's life cycle?

• egg

• tadpole

• pupa

• adult

Luca wants to cover the cake in chocolate. What must he do to the chocolate first?

• freeze it

• sieve it

• melt it

• dissolve it

Which change is irreversible?

• boiling water

• melting chocolate

• boiling an egg

• condensing steam

In class we did the 'magic hand' experiment by mixing bicarbonate of soda and vinegar.

Why did this happen to the glove?

• because the vinegar is a liquid

• because a new gas was formed

• because the bicarbonate of soda dissolved

• because it is a reversible change

Which of these is a solution?

• A

• B

• C

• D

Sally is preparing some food for a picnic.

Which is an example of a reversible change?

• baking cupcakes

• making ice cubes for the drinks

• toasting bread

• cooking pizza

If you left a cup of sugary water out on the field for a week in the sun, what would happen?

• only the sugar would evaporate

• all of the solution would evaporate

• the liquid would condense

• only the liquid will evaporate