Eco 2.2 Review Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
The cycling of water from Earth's surface into the atmosphere and back. | Water Cycle |
The cycling of carbon and oxygen through an ecosystem by producers and consumers. | Oxygen/Carbon dioxide Cycle |
The cycling of free nitrogen into fixed nitrogen and back to free nitrogen. | Nitrogen Cycle |
Water that falls back to earth; ex: rain, hail, snow | precipitation |
When liquid water is turned into water vapor | evaporation |
Water vapor cools into tiny liquid water droplets, forming clouds. | condensation |
Take in carbon dioxide, release oxygen into the atmosphere. | plants |
Take in oxygen, release carbon dioxide into the atmosphere. | animals |
21% of atmospheric gases | oxygen |
78% of atmospheric gases | nitrogen |
0.04% of atmospheric gases | carbon dioxide |
Energy from this powers the water cycle | Sunlight |
The sun heats liquid water into this invisible gas | water vapor |
Bacteria on nodules on plant roots "fix" nitrogen to other elements to form compounds that are usable by living things. | nitrogen fixing bacteria |
Bacteria that separate nitrogen from compounds and it returns to the atmosphere as "free" nitrogen. | nitrogen freeing bacteria |
Created by:
bphelan
Popular Biology sets