2nd Quimester Exam - Science

Read and select the answer.

What can humans do to reduce the effects of acid rain?

• Develop Alternate Energy Sources (Solar Power, Wind Energy)

• Use Less Energy

• Stop Burning Fossil Fuels

• All of the Answers are Correct

Read and answer.

These are two ways people can reduce air pollution.

• Drive vehicles that get low gas mileage / Burn trash at home

• Create major forest fires / Use CFC's

• Burn less fossil fuels / walk and ride bikes

• Burn styrofoam at landfills / Use more chlorine

Look at the picture and select what type of material is this.

• paper

• glass

• metal

• plastic

Look, read and answer.

Is this a recyclable material?

• Yes.

• No.

Read and select to answer.

What does RECYCLING mean?

• throw away

• make new things out of old ones

• give things to other people

• using things again and again

Look and select the correct description of the picture.

• Walk or ride your bike

• Have a shower and not a bath

• Pick up rubbish

• Turn off the tap when you brush your teeth

Read and check the good things we should avoid (not do) to protect the environment.

• eat organic food

• do not smoke

• waste a lot of water

• use natural fertilizers instead of chemicals

Read and select.

An _______ change cannot be undone because the change is permanent and generally creates a new substance.

• Reversible

• Irreversible

Select the irreversible change.

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Look and select a reversible change.

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