Science 4 Review

Choose the correct statement:

• Around 90% of insect species go through an incomplete metamorphosis.

• Grasshoppers go through an incomplete metamorphosis

• All insects have 8 legs

• Mammals do not have a backbone

What does transparent mean?

• Allows light to easily pass through.

• Allows light to partially pass through.

• Does not allow light to pass through.

• Allows water to easily pass in or out.

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Roots sprout from the seed and anchor the plant in the ground. Small leaves begin to emerge from the soil". This is

• pollination

• fruit development

• plant growth

• germination

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Which of these is made of metal?

• a raincoat

• a T-shirt

• a window

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A shell forms around the caterpillar during the last shed. This is now a

• egg

• a chrysalis or pupa

• Adult

• Nymph

Among those below, which mammals have the longest pregnancy?

• Rabbits

• Kangaroos

• Eleplants

......is a tiny frog with a small tail.

• Tadpole

• chrysalis

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Producer is:

• a living thing that makes its own food.

• an animal that consumes food to obtain energy.

• a tiny organism that eats dead matter to break it down.

• non-living thing

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What are all materials made from?

• tiny insects

• tiny atoms and molecules

• a frying par

• cotton or other fabric

• all of them are correct

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Match the following:

• True

• Plastic is a natural material.

• True

• Windows are made of glass which is waterproof and
  transparent.

• False

• Only natural materials have property.

• False

• Shoes are made of wood.

• False

• Materials have different properties.