Grade 9 Environmental Science Worksheet
This worksheet covers fundamental concepts in environmental science for Grade 9 students, including ecosystems, pollution, and conservation.
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Grade 9 Environmental Science
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Read each question carefully and answer to the best of your ability. Use complete sentences where appropriate.
1. Which of the following is a primary cause of deforestation?
Volcanic eruptions
Agricultural expansion
Ocean currents
Tectonic plate movement
2. The accumulation of greenhouse gases in the atmosphere leads to what environmental phenomenon?
Ozone depletion
Acid rain
Global warming
Desertification
3. An ecosystem consists of all the living organisms and their physical in a particular area.
4. The process by which nutrients become over-enriched in a body of water, leading to excessive plant growth and oxygen depletion, is called .
5. Renewable resources can be replenished naturally over a relatively short period of time.
True
False
6. Biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems.
True
False
7. Briefly explain the concept of a carbon footprint and provide one example of how an individual can reduce theirs.
Match each term on the left with its definition on the right.
8. Pollution
a. The variety of life in the world or in a particular habitat or ecosystem.
9. Conservation
b. The protection of animals, plants, and natural resources.
10. Biodiversity
c. The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.