1.
Process plants use to absorb carbon dioxide and make food: P_____________ (14)
2.
Sphere/layer of gases surrounding Earth: A_________ (10)
3.
Sphere: All the water on Earth: H__________ (11)
4.
All living things on Earth: B________ (9)
5.
The solid parts of Earth, including rocks and soil: G________ (9)
6.
Element found in all living things: C_____ (6)
7.
Process that releases carbon into atmoshpere: R__________ (11)
8.
Oils and Coal formed from ancient living things: F__________ (11)
9.
Breakdown of dead organisms: D____________ (13)
10.
A process that repeats in a loop: C____ (5)
11.
Another word for 'Glucose': E_____ (6)
12.
Combustion needs this to work: O_____ (6)
13.
Chemical reaction that occurs when fuel burns: C_________ (10)
14.
When one system/sphere affects another I__________ (11)
15.
Gases released into the atmosphere: E________ (9)
16.
Gases that increase the Earth's average temperature: G__________ (11)