6th Grade Practice Test
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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.
- 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.]( "Identify the cycle.")
Identify the cycle.- A.
Carbon
- B.
Oxygen
- C.
Nitrogen
- D.
Water
- 16.
![Identify the cycle.]( "Identify the cycle.")
Identify the cycle.- A.
Carbon
- B.
Oxygen
- C.
Nitrogen
- D.
Water
- 17.
![Identify the cycle]( "Identify the cycle")
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?]( "Study the photo below. What types of adaptations would a plant need in order to live there?")
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 ______.
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