Atmosphere and pollution

CHAPTER 9
GRADE 5


BY YOSHY FAWETA

​ATMOSPHERE AND WATER CYCLE

Multiple Choice

Study the graph of atmosphere composition.

The gas labeled in blue colour is ....

• oxygen

• nitrogen

• carbon dioxide

• water vapour

Multiple Select

Which of the following are correct?

Choose more than one answers.

• The atmosphere is made of mostly oxygen

• Clouds are made of water vapour

• snowfall is an example of precipitation

• the water cycle helps recycle water on the Earth

What is Water Cycle?

Water cycle is one of nature's cycles. It is the continuous movement of water from the Earth's surface to the air and back to the Earth's surface.

What happened when water vapor rises in the air?

Higher up in the air, when it is cooler, the water vapor loses heat and cools down. This causes the water vapor to condense and form tiny water droplets. These tiny water droplets gather to form clouds.

Multiple Select

Which of these changes of state is formed in the process of water cycle?

Choose more than one answers.

• Melting

• Precipitation

• Condensation

• Evaporation

Multiple Choice

Evaporation means...

• water vapor cooling to form clouds

• water running downhill

• water falling from the sky

• water heating up and rising as gas

Multiple Choice

Process of evaporation and transpiration is shown by letters ...

• D dan A

• B dan C

• A dan D

• E dan B

Multiple Choice

Condensation means...

• water vapor cooling to form clouds

• water running downhill

• water falling from the sky

• water heating up and rising as gas

Multiple Choice

What are clouds made out of?

• water in gas form
• tiny water droplets
• steam
• ice crystals

Multiple Choice

Precipitation means...

• water vapor cooling to form clouds

• water running downhill

• water falling from the sky

• water heating up and rising as gas

Multiple Choice

Which example is a form of precipitation?

• Dew

• Fog

• Frost

• Hail

Fill in the Blanks

The process to remove salt and other substances from seawater to produce fresh water is called​

​CHAPTER 10_GRADE 5

​

POLLUTION

Multiple Choice

What is pollution?

• When small materials get into the environment

• When clean materials get into the environment

• When harmful materials get into the environment

Multiple Choice

What pollution is this?

• Land

• Air

• Sound

• Water

Multiple Choice

What pollution is this?

• Noise

• Land

• Sound

• Water

Multiple Choice

What pollution is this?

• Water pollution

• Land pollution

• Noise pollution

• Air pollution

Multiple Select

Which of the following is a cause of air pollution?

Choose more than one answer..

• Chemicals from factories

• Rubbish in the kitchen

• Dust

• Farm waste

Multiple Select

Which of the following are things that causes air pollution inside the house?

Choose more than one answer.

Multiple Select

What causes water pollution?

• Pesticide

• Open burning

• Farm waste

• Smoke from factories

Multiple Select

How does water pollution affect us?

Choose more than one answer.

• We will have less drinking water.

• We will have nicer beaches.

• We will have more endangered animals.

• We will have more fish in the sea.

Multiple Select

Which of the following statements are correct?

Choose more than one answer.

• All pollutants are gases

• burning fossils fuel causes air pollution

• Air pollution can lead to climate changes

• Oil spills harm only animals

Multiple Select

How does the rubbish affect the environment?

Choose more than one answer.

• It releases harmful substances that pollute the land

• it causes acid rain, which pollutes the water bodies

• It harms the living things in the environment

• It changes the amount of water in the land

Fill in the Blanks

Complete the sentence below.
Oil spills affect the plants and animals living in the