SCIENCE 5 REVIEW

BENEFICIAL or HARMFUL

  Causes climate change and global warming

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Burning of coal causes acid rains

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Provide the continuous supply of fresh water

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Production of pollutants

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Increase in carbon dioxide in the atmosphere

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Photosynthesis in plants

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Burning of fuels in vehicles

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Wood turns into furniture

• BENEFICIAL

• HARMFUL

BENEFICIAL or HARMFUL

Metal changes into fine wires

• BENEFICIAL

• HARMFUL

Choose PC if the given is PHYSICAL CHANGE and CC if CHEMICAL CHANGE.

Burning of coal

• PC

• CC