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3rd Grade Science Common Core

Subjects : science, 3rd-grade, common-core

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. All the living things in an ecosystem
3 groups that make up the energy pyramid
Step 2 of the carbon dioxide and oxygen cycle
community
4 types of consumers

2. Consumers eat producers and other consumers. Producers make their own food
Step 4 of the carbon dioxide and oxygen cycle
population
difference between producers and consumers
where the world's oxygen supply comes from

3. Forest....plants and algae

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4. Plants
where the world's oxygen supply comes from
food chain
the ONE thing all food that we eat comes from
food web

5. Consumers eat producers and other consumers. Producers make their own food
host
what gas do people breathe out
difference between producers and consumers
consumer

6. The organism a parasite lives on or in
host
community
purpose of decomposers
list 6 ecosystems

7. Plant - grass - flower - trees
where is one organism harmed and one helped?
food chain
4 types of producers
difference between producers and consumers

8. They all die
habitat
Step 2 of the carbon dioxide and oxygen cycle
producer
if the part of the food chain is missing...then what happens?

9. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
what organisms help each other
4 types of consumers
energy pyramid

10. A diagram that shows how energy in an ecosystem is used
ecosystem
producer
population
energy pyramid

11. A tapeworm and a human
where is one organism harmed and one helped?
carbon dioxide and oxygen cycle
the gas people breathe in...
what organisms help each other

12. Oxygen
carbon dioxide and oxygen cycle
list 6 ecosystems
the gas people breathe in...
producer

13. Oxygen
population
community
difference between producers and consumers
the gas people breathe in...

14. All the living things in an ecosystem
list 6 ecosystems
community
where is one organism harmed and one helped?
producer

15. Tundra - dessert - rain forest - ocean - pond - lake
purpose of decomposers
Step 2 of the carbon dioxide and oxygen cycle
list 6 ecosystems
host

16. A diagram that shows how energy in an ecosystem is used
energy pyramid
habitat
consumer
producer

17. We need them because they break down dead plants and animals
community
what organisms help each other
purpose of decomposers
consumer

18. All the members of a certain type of a living thing in an area
4 types of consumers
the gas people breathe in...
Step 1 of the carbon dioxide and oxygen cycle
population

19. The place where a plant or animal naturally lives or grows
ecosystem
Step 2 of the carbon dioxide and oxygen cycle
4 types of producers
habitat

20. All the living and non living things in an environment
ecosystem
4 types of consumers
population
Step 4 of the carbon dioxide and oxygen cycle

21. An organism that eats the producer and other consumers
consumer
community
food web
list 6 ecosystems

22. They all die
where the world's oxygen supply comes from
difference between producers and consumers
if the part of the food chain is missing...then what happens?
what organisms help each other

23. Forest....plants and algae

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24. Consumers give off carbon dioxide
population
5 things all living things need to survive
Step 3 of the carbon dioxide and oxygen cycle
habitat

25. A tapeworm and a human
community
carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
habitat

26. Consumers take in the oxygen that the producers make
parasite
producer
5 things all living things need to survive
Step 2 of the carbon dioxide and oxygen cycle

27. Consumers give off carbon dioxide
Step 1 of the carbon dioxide and oxygen cycle
parasite
purpose of decomposers
Step 3 of the carbon dioxide and oxygen cycle

28. An organism that breaks down plant and animal material
decomposer
food web
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle

29. Several food chains that are connected
4 types of producers
food chain
if the part of the food chain is missing...then what happens?
food web

30. An organism that makes it's own food
where the world's oxygen supply comes from
producer
parasite
host

31. An organism that makes it's own food
list 6 ecosystems
producer
Step 2 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?

32. Plants
3 groups that make up the energy pyramid
habitat
difference between producers and consumers
the ONE thing all food that we eat comes from

33. Air - water - sun - shelter - food
producer
Step 2 of the carbon dioxide and oxygen cycle
what organisms help each other
5 things all living things need to survive

34. Tiger - bear - fox - wolf
Step 1 of the carbon dioxide and oxygen cycle
parasite
5 things all living things need to survive
4 types of consumers

35. Producers give off oxygen as the make their own food
food chain
Step 1 of the carbon dioxide and oxygen cycle
food web
purpose of decomposers

36. Carbon dioxide
purpose of decomposers
ecosystem
what organisms help each other
what gas do people breathe out

37. A squirrel and a nut
what organisms help each other
Step 4 of the carbon dioxide and oxygen cycle
food chain
difference between producers and consumers

38. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
4 types of producers
3 groups that make up the energy pyramid
what gas do people breathe out

39. Producers take in carbon dioxide from the consumer
5 things all living things need to survive
where is one organism harmed and one helped?
4 types of producers
Step 4 of the carbon dioxide and oxygen cycle

40. Tiger - bear - fox - wolf
host
4 types of consumers
4 types of producers
purpose of decomposers

41. An organism that lives in or on another organism
what gas do people breathe out
ecosystem
parasite
purpose of decomposers

42. We need them because they break down dead plants and animals
purpose of decomposers
carbon dioxide and oxygen cycle
4 types of consumers
ecosystem

43. A series of organisims that depend on another for food
producer
food chain
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid

44. All the living and non living things in an environment
the gas people breathe in...
ecosystem
where the world's oxygen supply comes from
the gas people breathe in...

45. An organism that breaks down plant and animal material
what organisms help each other
decomposer
community
3 groups that make up the energy pyramid

46. The organism a parasite lives on or in
host
Step 4 of the carbon dioxide and oxygen cycle
purpose of decomposers
difference between producers and consumers

47. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
4 types of producers
consumer

48. The exchange of gasses between producers and consumers
host
purpose of decomposers
carbon dioxide and oxygen cycle
energy pyramid

49. A series of organisims that depend on another for food
producer
host
food chain
if the part of the food chain is missing...then what happens?

50. A squirrel and a nut
decomposer
producer
food web
what organisms help each other

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3rd Grade Science Common Core

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