Find words in the grid below to match the following definitions. Use the hints below the grids

C

L

I

M

A

T

E

E

A

R

T

H

W

O

C

E

A

N

T

R

O

K

N

Q

Q

E

N

Y

H

F

R

D

D

W

D

V

B

N

M

A

N

V

C

E

B

F

V

G

D

E

G

R

A

D

A

T

I

O

N

A

T

N

R

R

H

J

I

D

E

F

O

R

E

S

T

A

T

I

O

N

A

Y

E

W

H

A

R

M

F

U

L

G

A

M

E

R

C

L

A

I

M

W

A

S

K

P

O

L

L

U

T

E

S

P

K

L

K

N

L

M

I

Q

S

F

A

J

N

G

H

Y

F

N

F

R

U

E

O

A

U

A

N

A

E

G

E

R

M

Q

D

K

F

E

H

E

T

W

N

T

K

L

A

F

P

J

B

M

E

A

F

O

C

R

R

S

I

S

Y

U

A

S

T

R

R

G

V

R

N

D

G

O

Z

A

F

E

X

A

I

R

S

D

E

O

O

U

D

Y

T

F

U

L

G

T

S

R

Y

O

E

E

J

I

M

P

J

Y

U

H

J

G

D

X

A

E

X

V

J

S

S

L

A

D

D

L

F

V

Q

P

W

I

N

D

P

O

W

E

R

Y

F

E

O

Q

Hints:

1. The long-term prevalent weather conditions of an area, determined by latitude, position relative to oceans or continents, altitude, etc is - CLIMATE.

2. The third planet from the sun, the only planet on which life is known to exist.

3. The body of salt water covering approximately 70 per cent of the earth's surface.

4. The wearing down of the surface of rocks, cliffs, etc., by erosion, weathering, or some other process.

5. To make impure, esp by touching or mixing.

6. to make or become greater in size, degree, frequency, etc.; grow or expand.

7. a microorganism, esp one that produces disease in animals or plants.

8. causing or tending to cause harm; injurious

9. to contaminate, with poisonous or harmful substances.

10. to clear of trees.

11. to produce (electricity), esp in a power station.

12. power produced from windmills and wind turbines.

13. an unstable period, esp one of extreme trouble or danger in politics, economics, etc

14. to keep safe from danger or harm; to protect.

15. all natural phenomena - plant and animal life.

16. any mammal, esp any mammal except man.

17. a petroleum product used as a fuel in domestic heating, industrial furnaces, marine engines, etc

18. external conditions or surroundings.