Useful and Harmful Materials

​Useful and Harmful Materials

Open Ended

Look around your bedroom, kitchen, dining room, bathroom, or living room. Note or list down 5 objects that are useful in your daily life.

They are materials that do not pose any threat to living organisms.

They improve people's way of living and comfort.

They can be recycled or reused.​

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Useful Materials

Poll

What material can be recycled?

• cardboard

• plastic

• soap

They are materials that have a negative impact on the environment.

Personal care products may contain harmful chemicals.

Household chemicals must be handled carefully (​pesticides, detergents, bleaches etc.)

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Harmful Materials

Multiple Choice

Which one is NOT considered a personal hygiene product?

• toothpaste

• body wash

• bleach

• facial wash

Plastics are cheap to produce and serve manty purposes in your home.

They are not biodegradable and remain in the environment for a long time.​

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​Plastics

Open Ended

Look around you. Which objects can you see are made of plastics?

Flammable - kerosene, gasoline, and other flammable materials must be stored properly.

Toxic - paint and other chemicals must be used with care.​

Corrosive - bleach and acids must be stored in sealed containers and properly labeled.​

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Properties to Consider

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Open Ended

Think of the things that you do every day. What is one thing you can change to help reduce pollution