23-24 Term 1 G2 Science SA Revision

Which of the following is a natural environment?

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Which of the following is a built environment?

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What are the conditions in a rainforest?

• Hot and dry

• Hot and wet

• Cold and dry

• Cold and wet

What are the conditions in the polar region?

• Hot and dry

• Hot and wet

• Cold and dry

• Cold and wet

Answer explanation

With all that ice and the surrounding seas, you would think that the polar regions are cold and wet.

But it is so cold that any moisture in the air would be frozen, so the polar region is cold and dry!

What are the conditions in a desert during the day?

• Hot and dry

• Hot and wet

• Cold and dry

• Cold and wet

Answer explanation

With few plants and buildings to protect from the Sun, the land gets very hot during the day.

But at night, the land can lose heat energy just as much, so some deserts can be cold and dry at night.

What do all animals need to survive?

• Air, water and soil.

• Food, family and friends.

• Food, water and shelter.

• Books, games and smartphones.

Answer explanation

Animals can only survive in habitats where they can find food, water and shelter.

Which environment is this plant best suited to?

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Answer explanation

A cactus lives in the desert where it is hot and dry during the day.

A cactus has no leaves so it cannot lose too much water.

A cactus stores water in its fleshy stem.

Which environment is this animal best suited to?

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Which animal is best adapted to this environment?

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What are the three steps of a scientific investigation?

• Stop, look and listen.

• Reduce, reuse and recycle.

• Food, water and shelter.

• Observe, record and share.