global system

4. produced in the stomach of cow and sheep
5. a name for all water on earth
6. large scale of ocean circulating caused by global density
7. gas that make up most of earth’s atmosphere
9. – electromagnetic radiation
10. when water turns to moist
14. when people try to kill a lot of trees
15. – droplets on cold surface
16. a name for the layers of gases surrounding the planet
18. something that can be trapped in a greenhouse.
20. an energy source that does not worn-out when uses eg wind, solar power and water.
23. something that is delivered from living things
24. fuels- formed from the past from the remains of living plants or animals.
25. long time period of a specific weather eg. Winter, spring, summer and fall (autumn)

1. where plants and animals interacts with their physical environment.
2. a name for a climate that can change day to day
3. how plants make their food
8. effects- greenhouse gases have the effect on warming earth which is known as ………. …….
9. milder climate between two glacial period
11. thick layer of soil that remains frozen for a long time
12. a name for earth’s land masses
13. dioxide- colour less and odourless gas. Co2
17. when discharging something eg gas or radiation
19. sheet- a permanent layer of ice which covers land
21. Niño- something that causes dryness in parts of Australia
22. short radiation and …….. radiation