Biogeochemical Cycles Worksheet
An 8th-grade science worksheet covering the key concepts of biogeochemical cycles, including the water, carbon, and nitrogen cycles.
Includes
Standards
Biogeochemical Cycles
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. This worksheet covers the major biogeochemical cycles.
1. Which of the following processes releases water vapor into the atmosphere from plants?
Condensation
Evaporation
Precipitation
Transpiration
2. How do animals primarily obtain carbon?
Breathing it in from the atmosphere
Absorbing it through their skin
Eating plants or other animals
Through photosynthesis
3. The process by which nitrogen gas from the atmosphere is converted into ammonia by bacteria is called .
4. When producers and consumers die, break down their organic matter, returning nutrients to the soil.
5. All water on Earth remains constant and does not move between different reservoirs.
True
False
6. Burning fossil fuels increases the amount of carbon dioxide in the atmosphere.
True
False
7. Briefly explain the role of photosynthesis in the carbon cycle.
8. Describe one way human activities impact the nitrogen cycle.
Related Worksheets
Continental Drift Worksheet
Explore the theory of continental drift, Pangea, and evidence supporting plate tectonics for Grade 8 science students.
Weather Instruments Worksheet
Explore common weather instruments and their functions with this Grade 8 science worksheet.
Grade 8 Climate Science Worksheet
Worksheet covering key concepts of climate, climate change, greenhouse effect, and human impact for Grade 8 science students.
Erosion and Weathering Worksheet
Explore the processes of erosion and weathering, their causes, and impacts on Earth's surface.
The Rock Cycle Worksheet
Explore the fascinating processes of the rock cycle with this Grade 8 science worksheet. Understand the formation and transformation of igneous, sedimentary, and metamorphic rocks.
Natural Events Worksheet
Explore natural events like earthquakes, volcanoes, hurricanes, and tsunamis with this grade 8 science worksheet.
Watershed Wonders
Explore the fascinating world of watersheds, their components, and their importance in maintaining healthy ecosystems.
Ocean Waves Worksheet
Explore the science behind ocean waves, including their formation, characteristics, and different types, with this comprehensive worksheet for 8th-grade science.