UNIT 4
CONSERVATION
What is it?
A green forest
A burnt-down forest
What is it?
Compare the two pictures
Burnt-down, black, leafless
No animals can live there
Polluted, dusty, impure
Dry, sterile
Fertile
Dry, sterile
Good
High, green (mature trees and shrubs)
Fresh, pure, clean
Many kinds of wild life (hiding behind the trees)
PUZZLE
What word is it?
TMENENVINRO

ENVIRONMENT
WHAT WORD IS IT?
RLPACEE

REPLACE
WHAT WORD IS IT?
RNEICH

ENRICH
WHAT WORD IS IT?
SATEW

WASTE
WHAT WORD IS IT?
SERNCOTAVON

CONSERVATION
WHAT WORD IS IT?
POTECRT

PROTECT
WHAT WORD IS IT?
CYERECL

RECYCLE
WHAT WORD IS IT?
MNELRAI

MINERAL
WHAT WORD IS IT?
Which paragraph mentions these ideas?
Land preservation
Air pollution
Forest preservation
Mineral conservation
Three important parts of conservation
Wild-life protection
Alternative fuels
Paragraph 2 and 3
Paragraph 6
Paragraph 4
Paragraph 7
Paragraph 1
Paragraph 5
Paragraph 7
Do you know any kinds of alternative fuels?
Alternative fuels
The solar energy
Alternative fuels
The wind power
Alternative fuels
The hydroelectric power
Alternative fuels
The nuclear power
TRUE OR FALSE?
The world’s resources can never be used up.
Yearly rotation of crops means growing the same crops on different land from year to year.
Farmers use fertilizers to enrich their soil.

People should cut young trees only.
There are more wild-life preserves in regions where animals are threatened.
FALSE
FALSE
FALSE
TRUE
TRUE
To conserve minerals, we must put back into use the metal in discarded products.

Forbidding the burning of soft fuels can prevent air pollution.
People should plough along the contours of a hill.
TRUE
FALSE
TRUE
People plough along the contours of a hill
What would happen without conservation?
Erosion
Air pollution
Drought
Flood
The extinction of wild-life
Storm
THE END