Science : Unit 4 Caring for the Environment

Human activities that have positive effects

• farming, building house, using technology

• deforestation, litter, forest fires

The use of satellites

• to make water lean enough for drinking

• to monitor the Earth’s environment

The act of making the environment dirty and thus unsafe or unsuitable to live in.

• Pollution

• Reforestation

When the land pilled up with waste and become dirty and smelly will attract ....

• rats and insects that can spread diseases

• tourism to come

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Climate change means....

• the sea water level increase

• some places will get warmer, while other places will get colder

Acid rain is made of gases

• oxides of nitrogen and sulfur dioxide gas dissolve in rain

• water and oxygen dissolve in air

The way to use less energy

• use environmentally harmful energy

• go out by walking or cycling

Things that we no longer want or use can be converted into new things

• Recycle

• Reduce

We use it to trap light from the Sun and convert it into electricity.

• solar panel

• camera

Phenomenon used to describe the gradual increase in the temperature of Earth's atmosphere and oceans

• green house gases

• global warming