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Which of the following is NOT a useful material?

• flower vase

• broken glass

• house decor

• coin bank

A household material that is use by people to clean themselves.

• Detergent

• Medicine

• Lotion

• Body Soaps

A cleaning agent that inhibits the growth or destroys germs, often used to sterilize places and things.

• Pesticides

• Solvents

• Disinfectants

• Preservatives

A chemical substance usually found at home that is taken to prevent disease or sickness.

• Additives

• Medicines

• Pesticides

• Preservatives

Detergents and disinfectants are considered as ________?

• Medicine

• Cleaning agent

• Personal body care

• Farm chemical

Pesticides and naturals fertilizers are considered as ________?

• Re-agent

• Farm chemicals

• Cleaning agent

• Medicine

If the label has the words "harmful if inhaled" it can harm you if...

• you breathe it in

• you get it on your skin

• you eat it

• you drink it

When is a material considered useful?

• when it is hazardous

• when it destroys the environment

• when it can be reused

• when it brings harm

when a material brings hazard, toxic and harms the environment. it is considered _________.

• useful

• harmful

• useless

• harmless

the following things are classified as nonbiodegradable except _______.

• plastics

• plants

• tires

• styro