Year 4 - Viking investigations

What force makes some objects float in water? Pick two answers.

• Up thrust

• Water pressure

• Air pressure

• Bouyancy

Which force makes some objects sink in water?

• Water pressure

• Gravity

• Air pressure

• Weight

Which nutrients is butter high in? Choose two.

• Protein

• Fat

• Carbohydrate

• Fibre

Ice cubes left in the classroom for two hours will:

• Melt

• Freeze

• Evaporate

• Dissolve

A material which is a good insulator will keep something:

• Warm

• The same temperature that it started

• Cold

• From going rotten

Food goes rotten because of the effects of:

• Viruses

• Diseases

• Bacteria

• Insects

How can we prevent food from going rotten? Pick two answers.

• Keeping it in the dark.

• Freezing it

• Keeping it in a brine solution

• Keeping it in a jar of tap water.

Ships float because:

• They are made from wood.

• They are made from metal.

• They are hollow.

• They are large.