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ENERGY

							1				2

						3												4

										5						6			G

			7											8
		9											10

						11
					12 N

	13

			E						14


15

										16			T

Across:

1.	is a fine-grained sedimentary rock.
3.	is form of diesel fuel which is derived from renewable feed stock rather than fossil feed stock.
5.	is burned to produce energy and is used to manufacture steel.
6.	is methane produced by the process of anaerobic digestion of organic material by anaerobes.
9.	built across an estuary o be able to utilize the tides.
10.	is a type of fuel whose energy is derived from biological carbon fixation.

12.	is it considered to be an ideal fuel because it has relatively less contaminants.
13.	is produced fromoils or fats using transesterification.
14.	is an indispensable factor in the survival of the people.
15.	used directly as fuel or refined into cleaner burning gas.
16.	energy contained in intense heat that continually flows outward from deep within earth.

Down:

2.	can be toxic at very high concentrations.
4.	power stations that utilize these hot springs and steam.
7.	power to derived the fall of water from a higher to lower level.

8.	are paint black for maximum heat absorption.
11.	derived from the fall of water from a higher to a lower level, and extracted by means of waterwheels or hydraulic turbines.

© 2014 PuzzleFast.com, Noncommercial Use Only

ENERGY

1

O

I

L

S

2

H

A

L

E

Y

3

G

R

E

E

N

D

I

E

S

E

L

4

G

R

E

5

C

O

A

L

6

B

I

O

G

A

S

G

T

7

W

E

8

P

H

9

D

A

M

N

10

B

I

O

F

U

E

L

T

S

P

R

E

11

W

U

E

M

R

12

N

A

T

U

R

A

L

G

A

S

A

P

T

F

L

13

B

I

O

D

I

E

S

E

L

I

P

W

R

D

O

E

P

14

E

N

E

R

G

Y

W

R

O

G

E

W

A

R

15

M

E

T

H

A

N

E

S

P

R

L

16

G

E

O

T

H

E

R

M

A

L

E

N

E

R

G

Y

N

T

S

Across:

1.	is a fine-grained sedimentary rock.
3.	is form of diesel fuel which is derived from renewable feed stock rather than fossil feed stock.
5.	is burned to produce energy and is used to manufacture steel.
6.	is methane produced by the process of anaerobic digestion of organic material by anaerobes.
9.	built across an estuary o be able to utilize the tides.
10.	is a type of fuel whose energy is derived from biological carbon fixation.

12.	is it considered to be an ideal fuel because it has relatively less contaminants.
13.	is produced fromoils or fats using transesterification.
14.	is an indispensable factor in the survival of the people.
15.	used directly as fuel or refined into cleaner burning gas.
16.	energy contained in intense heat that continually flows outward from deep within earth.

Down:

2.	can be toxic at very high concentrations.
4.	power stations that utilize these hot springs and steam.
7.	power to derived the fall of water from a higher to lower level.

8.	are paint black for maximum heat absorption.
11.	derived from the fall of water from a higher to a lower level, and extracted by means of waterwheels or hydraulic turbines.

© 2014 PuzzleFast.com, Noncommercial Use Only