Water Filtration & Purification – Grade 4

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Click on the correct answer for each question to score points and become the Water Hero! 💧

Creada por

Shabnoor Aubdoollah-Ramjan

Mauricio

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Water Filtration & Purification – Grade 4Versión en línea Click on the correct answer for each question to score points and become the Water Hero! 💧 por Shabnoor Aubdoollah-Ramjan 1 What is the main purpose of water filtration? a To make water colorful b To remove dirt and impurities c To add sugar to water d To make water heavier 2 Which of the following materials can filter water? a Sand b Sugar c Oil d Salt 3 Which method kills germs in water? a Adding chalk b Boiling c Freezing d Mixing sand 4 Why should we not drink untreated pond water? a It tastes sweet b It contains dirt and germs c It is too hot d It is too cold 5 What happens when dirty water passes through layers of sand and gravel? a It becomes colder b It becomes cleaner c It turns into steam d It changes color 6 Why is it not enough to only filter water without boiling it? a Filtering only removes dirt, but germs may remain b Filtering removes germs completely c Boiling makes the water heavier d Filtering adds vitamins 7 Why should boiled water be cooled before drinking? a To make it taste better b To remove germs c To change its color d To prevent burns Feedback 1 👉 Filtration helps take out dust, sand, and other solid particles so water becomes cleaner. 2 👉 Sand is a natural filter. It traps dirt when water passes through it. 3 👉 Boiling makes water hot enough to kill harmful germs that can make us sick. 4 👉 Pond water often has mud, waste, and tiny organisms that can cause illness. 5 👉 Each layer removes different sizes of dirt. Gravel catches big pieces, sand catches smaller ones. 6 👉 Filters catch mud and dust, but germs are too small. Boiling is needed to kill them. 7 👉 Boiling kills germs, but very hot water can burn the mouth, so it should cool down first.

Water Filtration & Purification – Grade 4Versión en línea

Click on the correct answer for each question to score points and become the Water Hero! 💧

por Shabnoor Aubdoollah-Ramjan

What is the main purpose of water filtration?

To make water colorful

To remove dirt and impurities

To add sugar to water

To make water heavier

Which of the following materials can filter water?

Sand

Sugar

Oil

Salt

Which method kills germs in water?

Adding chalk

Boiling

Freezing

Mixing sand

Why should we not drink untreated pond water?

It tastes sweet

It contains dirt and germs

It is too hot

It is too cold

What happens when dirty water passes through layers of sand and gravel?

It becomes colder

It becomes cleaner

It turns into steam

It changes color

Why is it not enough to only filter water without boiling it?

Filtering only removes dirt, but germs may remain

Filtering removes germs completely

Boiling makes the water heavier

Filtering adds vitamins

Why should boiled water be cooled before drinking?

To make it taste better

To remove germs

To change its color

To prevent burns

Feedback

👉 Filtration helps take out dust, sand, and other solid particles so water becomes cleaner.

👉 Sand is a natural filter. It traps dirt when water passes through it.

👉 Boiling makes water hot enough to kill harmful germs that can make us sick.

👉 Pond water often has mud, waste, and tiny organisms that can cause illness.

👉 Each layer removes different sizes of dirt. Gravel catches big pieces, sand catches smaller ones.

👉 Filters catch mud and dust, but germs are too small. Boiling is needed to kill them.

👉 Boiling kills germs, but very hot water can burn the mouth, so it should cool down first.

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Water Filtration & Purification – Grade 4

Test

Sobre esta actividad

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Descarga la versión para jugar en papel

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Water Filtration & Purification – Grade 4Versión en línea

por Shabnoor Aubdoollah-Ramjan

What is the main purpose of water filtration?

Which of the following materials can filter water?

Which method kills germs in water?

Why should we not drink untreated pond water?

What happens when dirty water passes through layers of sand and gravel?

Why is it not enough to only filter water without boiling it?

Why should boiled water be cooled before drinking?

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