5th Grade Science Test D2 St. Clair
Quiz yourself by guessing what should be in
each of the black rectangles below before clicking
on it to display the answer.
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| Flap 1 |
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| Flap 2 |
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| The flow of energy from one orginism to another is called what? |
food chain |
| What do sewage treatment plants clean? |
waste water |
| What process breaks down carbon compounds in the carbon dioxide-oxygen cycle? |
cell respiration |
| What kind of consumers are humans? |
omnivores |
| What is the process by which water vapor (gas) is changed into a liquid called? |
condensation |
| Overlapping food chains form what? |
food webs |
| When nitrogen is "fixed" what is it changed into? |
nitrogen compounds |
| The process by which liquid water changes into water vapor is called what? |
evaporation |
| What compound acts as the building blocks of living things? |
proteins |
| In the nitrogen cycle, what is converted (changed) to a usable form? |
nitrogen gas |
| During phytosynthesis plants give off what as a waste product? |
oxygen |
| As plants decay they add________compounds to the air and soil. |
carbon |
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