6th Grade Practice Test

25 Questions | Total Attempts: 615

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6th Grade Practice Test

Our environment is undergoing a lot of change and it is up to us to ensure that we keep it safe for the generations that come after us. In science class, we got to understand a lot on our environment and the living and non-living things within it. The quiz below is perfect to ensure that you understood much. Take it up and see what you recall.


Questions and Answers
  • 1. 
    A(n) ______ consists of all the members of the same type of organism that live in an ecosystem.
  • 2. 
    The process of changing nitrogen gas into usable nitrogen compounds is called ______  ______.
  • 3. 
    A(n) ______ is made up of all the living and nonliving things that interact in one place.
  • 4. 
    Any nonliving part of an ecosystem is called a(n) ______ ______.
  • 5. 
    ______ is the process in which organisms obtain the energergy stored in glucose.
  • 6. 
    A(n) ______ is a large region of similar plant life and climate.
  • 7. 
    The _____ is the Earth's coolest biome.
  • 8. 
    In ______, plants use enrgy from the Sun to chnage carbon dioxide and water into glucose and oxygen.
  • 9. 
    Which biome would have the greatest number of plants?
    • A. 

      Tropical rainforest

    • B. 

      Temperate forest

    • C. 

      Grassland

    • D. 

      Desert

  • 10. 
    Plants produce
    • A. 

      Oxygen

    • B. 

      Nitrogen

    • C. 

      Carbon dioxide

    • D. 

      Evaporation

  • 11. 
    Which things cycle through the biosphere?
    • A. 

      Oxygen and carbon dioxide

    • B. 

      Carbon dioxide, oxygen, nitrogen, and water

    • C. 

      Nitrogen and water

    • D. 

      Oxygen, carbon dioxide, and water

  • 12. 
    A tree gains energy it needs to live from
    • A. 

      Its thick wood and bark

    • B. 

      Oxygen from the air

    • C. 

      Food in the soil

    • D. 

      Sunlight during photosynthesis

  • 13. 
    What determines the types of ecosystems found in a biome?
    • A. 

      Climate

    • B. 

      Tectonic plate movement

    • C. 

      The adaptations of organisms

    • D. 

      The kinds of plants

  • 14. 
    In which biomes might you find animals with thick fur?
    • A. 

      Tropical rainforest

    • B. 

      Desert

    • C. 

      Tundra

    • D. 

      Grasslands

  • 15. 
    Identify the cycle.
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Nitrogen

    • D. 

      Water

  • 16. 
    Identify the cycle.
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Nitrogen

    • D. 

      Water

  • 17. 
    Identify the cycle
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Nitrogen

    • D. 

      Water

  • 18. 
    Cloud formation and precipitation occur during which cycle?
    • A. 

      Oxygen

    • B. 

      Carbon

    • C. 

      Water

    • D. 

      Photosynthesis

  • 19. 
    Water on Earth  is heated then __________ into the atmosphere during the water cycle.
    • A. 

      Evaporated

    • B. 

      Condensed

    • C. 

      Precipitated

    • D. 

      Transpired

  • 20. 
    Plants produce ________________ that animals need.
  • 21. 
    Animals produce _______ that plants need.
  • 22. 
    The _____ has long, sever winters and cool summers.
    • A. 

      Taiga

    • B. 

      Tundra

    • C. 

      Desert

    • D. 

      Tropical rainforest

  • 23. 
    Which two perform nitrogen fixation?
    • A. 

      Chlorophyll and special types of bacteria

    • B. 

      Lightning and special types of bacteria

    • C. 

      The carbon cycle and lighting

    • D. 

      Photosynthesis and respiration

  • 24. 
    Study the photo below.  What types of adaptations would a plant need in order to live there?
    • A. 

      The plant would have to withstand heat in the hot desert.

    • B. 

      The plant would have to be able to survive for long periods without water.

    • C. 

      The plant would have to be able to withstand very cold winters without water

    • D. 

      The plant would have to withstand heat and be able to survive for long periods without water.

  • 25. 
    The narrow zone on Earth where life exitsts is the ______.