Unit 3: Air (Part 2) | Science G2

This picture shows that ....

• we can not see air

• air can become polluted

• air has different uses

• we can feel air

The picture of polluted air is ....

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The picture of clean air is ....

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This picture shows that ....

• we can not see air

• air has different uses

• polluted air is dirty and harmful

• we can feel air

... dirty the air

• smoke and dust

• smoke and plant

• smoke and bookshelf

• bookshelf and plant

This picture shows that pollutes air come from ....

• school and roads

• school and factories

• cars and roads

• cars and factories

Based on picture, polluted air can make you ....

• happy

• energized

• sick

• healthy

We must keep the air ....

• dirty

• clean

• polluted

• harmful

Based on picture, we can keep the air clean by ....

• ride a bike to school

• walk to school

• take the bus to school

• plant more trees

Choose the picture of activity that can make the air polluted

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