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Term revisionPage 175

Multiple-choice questions1. C2. B3. C4. A5. C

One word items

1. Fungus/fungi2. Vertebrates3. Habitat4. Microscopic5. Strut

Match column B to column A

1. B2. D3. E4. A5. F6. C

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Doc Scientia - Answer Book - Natural Sciences - Grade 4

True or false

4.1 False A foxglove is a plant that needs little sunlight.

4.2 True

4.3 False Living stones will typically grow in deserts, because they do not need much water.

4.4 True

4.5 False Plants need light, water, air and soil to grow.

Questions

1. It anchors the plant into the ground. It absorbs water and minerals from the ground. It is a source of food for humans and animals.

2.1 Forest

2.2 Ocean

2.3 Mountain

3.1 Bougainvillea; cactus; lithops (any three suitable examples)

3.2 Owls; eagles; lions; leopards (any three suitable examples)

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4. Any three of the following: Fur, e.g. dog, cat, lion, leopard, wild dog, etc. Feathers, e.g. eagle, ostrich, sparrow, swallow, etc. Skin, e.g. elephant, rhinoceros, hippopotamus, human, etc. Scales, e.g. snakes, fish, lizards, chameleons, etc. Shell, e.g. snails, oysters, mussels, crayfish, crab, tortoise, etc.

5. Any two of the following: Animals use their limbs to move. Animals use their limbs to hunt. Animals use their limbs to hold on. Animals use their limbs for defense. Birds use their wings to fly.

6.1

6.2 It means that they do not have a spine.

6.3 Butterflies have six legs and their bodies are divided into three parts.

wing

antenna

eyehead

bodyleg

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Doc Scientia - Answer Book - Natural Sciences - Grade 4

7. The structure of a plant

The fruit and the seed do not have to be indicated.

leaf

fruit

seed

flower

stem

root

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Doc Scientia - Answer Book - Natural Sciences - Grade 4

8.

Octopus

Baboon

Knysna lourie

Seagull

Springbok

Moorhen

Camel

Grassland

River

Mountain

Forest

Desert

Coastline

Ocean