Changes in Materials that are useful and harmful in Environment

What do you see in the picture?

• melting ice

• chicken bbq

• frozen product

• vegetables

Why are the products frozen?

• to make it good looking

• to keep the weight of the food we buy

• to keep or preserve the freshness of the food we buy

• to stay its color

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the process involve when we want to preserve the food we buy

• freezing

• melting

• boiling

• coloring

Tags

NGSS.MS-PS3-3

What do you see in the picture?

• Different food garbages improperly thrown

• Different chemicals improperly dumped or thrown in a place

• Containers with plastics inside

• Metals that can explode when heated

Tags

NGSS.MS-ESS3-3

NGSS.MS-PS1-3

How do chemicals affect our environment?

• it can cause healthy environment

• it can cause pollution

• it can help preserve food

• it can help us in resuing materials

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-3

How can pollution affects us?

• it can help in reproducing of animals

• it can cause many kinds of disease

• it can help us clean the air

• it can lessen waste in environment

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

All are kinds of pollution, except

• Land pollution

• Air pollution

• Wster pollution

• Mechanical pollution

Tags

NGSS.MS-ESS3-3

When garbage like plastics and other types of waste are dumped on a piece of land, it becomes

• a unique structure in the area

• dumping site

• cleaning area

• polluted

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What kind of pollution do you think hapoens in the picture?

• Water pollution

• Land pollution

• Air pollution

• Plastic pollution

Tags

NGSS.MS-ESS3-3

What are the pollutants in the water pollution?

• Grass and soil

• Water and fish

• Humans and plants

• Garbage and used detergents