Year 456 Science Revision 7

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Which group of birds cannot fly.

Children should have much protein food to grow up strong and healthy.

We use our ______ to hear sound.

Germs bring us _____________.

What is the substances found in cigarrette smoke that makes you want to smoke more cigarettes?

Which one of the following statements about water is not true?

The aquarium has a lot of green scums (algea) on it. What animal can get rid of them?

Vibration does not produce sound.

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Fishes breathe with their __________ and monkeys breathes through their _______.

The _________ system (our body’s control system) is made up of the brain, the spinal cord, and nerves.

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The diagrams below show the number of pins which four similar magnets could pick up. Magnet _____________ is the strongest.

To make a permanent magnet, which are of the following metals is likely to be used?

The part of the bar magnet that has the most magnetic power is the _______________.

_____________ is a process by which plant make food.

Food poisoning occurs because of eating dirty food.

________ can be used to split light into seven colours.

Conduction allows the flow of heat through solids.

Which of the following groups consists of all magnetic objects?

The point on which a lever turns or moves is called the load.

After few days, weeks, months or year, the ovary of some plants will become a fruit.

Why does the bread mould not classify as a plant?

Why does the surface slow down the car?

A car windscreen is made of glass because it is _____________.

____________ is a mammal that can fly.