RI 5.2

Waste that can decay easily with the help of microorganisms.

• biodegradable

• non-biodegradable

Are wastes that do not decay easily and takes long time to decompose.

• biodegradable

• non-biodegradable

Process wherein you can create new products from existing materials. Example used paper, used bottles etc.

• reduce

• reuse

• recycle

• recover

What could be the worst environmental consequence if we do not manage waste materials?

• It could lead to spending more money.

• It could lead to the death of plants and animals

• It could provide no income to the family.

• It could make the house disorganized.

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

List the steps of the scientific method

d

e

f

c

b

a

Analyze results

Communicate results

Conduct experiment

Form a hypothesis

Ask a question

Draw conclusions

“All waste materials can be recycled.” Is this statement acceptable?

• Yes, because waste can be made into new products

• No, because all waste materials are dirty

• Yes, because recycling is important to protect the environment

• No, because some materials may be hazardous for recycling.

What is the process by which plants make their own food using sunlight?

• Photosynthesis

• Respiration

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which planet is known as the Red Planet?

• Earth

• Mars

• Jupiter

• Venus