RI 5.8

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-LS2-4

NGSS.MS-LS2-5

List the steps of the scientific method

d

e

f

c

b

a

Ask a question

Analyze results

Conduct experiment

Form a hypothesis

Communicate results

Draw conclusions

Tags

NGSS.MS-ETS1-3

“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.

Spot the rip:

• 1

• 2

• 3

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

What are some signs of a rip (select all that are relevant)

• Deeper, darker coloured water

• Fewer breaking waves

• A rippled surface surrounded by smooth water

• Anything floating out to sea, or foamy, sandy water out beyond the waves.

Spot the rips:

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS2-6

Spot the rips:

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS2-6