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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. The organism a parasite lives on or in
population
decomposer
purpose of decomposers
host

2. Oxygen
the gas people breathe in...
where is one organism harmed and one helped?
Step 3 of the carbon dioxide and oxygen cycle
community

3. The place where a plant or animal naturally lives or grows
what gas do people breathe out
Step 1 of the carbon dioxide and oxygen cycle
producer
habitat

4. An organism that eats the producer and other consumers
what organisms help each other
Step 1 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
consumer

5. A tapeworm and a human
Step 2 of the carbon dioxide and oxygen cycle
population
if the part of the food chain is missing...then what happens?
where is one organism harmed and one helped?

6. An organism that makes it's own food
Step 1 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
Step 1 of the carbon dioxide and oxygen cycle
producer

7. A series of organisims that depend on another for food
the gas people breathe in...
food web
carbon dioxide and oxygen cycle
food chain

8. Carbon dioxide
consumer
what gas do people breathe out
habitat
Step 2 of the carbon dioxide and oxygen cycle

9. All the living and non living things in an environment
carbon dioxide and oxygen cycle
ecosystem
food chain
Step 1 of the carbon dioxide and oxygen cycle

10. An organism that lives in or on another organism
Step 4 of the carbon dioxide and oxygen cycle
parasite
producer
4 types of producers

11. A squirrel and a nut
difference between producers and consumers
what organisms help each other
the gas people breathe in...
purpose of decomposers

12. A tapeworm and a human
the ONE thing all food that we eat comes from
energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

13. Plant - grass - flower - trees
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
food web
the gas people breathe in...

14. Producers - plant eaters - meat eaters
purpose of decomposers
carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from

15. An organism that breaks down plant and animal material
difference between producers and consumers
list 6 ecosystems
decomposer
if the part of the food chain is missing...then what happens?

16. Producers take in carbon dioxide from the consumer
energy pyramid
decomposer
ecosystem
Step 4 of the carbon dioxide and oxygen cycle

17. An organism that makes it's own food
population
Step 2 of the carbon dioxide and oxygen cycle
what organisms help each other
producer

18. An organism that eats the producer and other consumers
5 things all living things need to survive
the gas people breathe in...
the ONE thing all food that we eat comes from
consumer

19. All the members of a certain type of a living thing in an area
the ONE thing all food that we eat comes from
population
Step 2 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle

20. A squirrel and a nut
consumer
ecosystem
what organisms help each other
purpose of decomposers

21. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
what organisms help each other
habitat

22. Air - water - sun - shelter - food
population
producer
4 types of producers
5 things all living things need to survive

23. A diagram that shows how energy in an ecosystem is used
community
energy pyramid
host
consumer

24. Forest....plants and algae

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25. We need them because they break down dead plants and animals
purpose of decomposers
the ONE thing all food that we eat comes from
energy pyramid
consumer

26. All the members of a certain type of a living thing in an area
what organisms help each other
host
population
4 types of producers

27. Consumers take in the oxygen that the producers make
producer
list 6 ecosystems
Step 2 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle

28. Tiger - bear - fox - wolf
what gas do people breathe out
host
ecosystem
4 types of consumers

29. The place where a plant or animal naturally lives or grows
ecosystem
difference between producers and consumers
habitat
list 6 ecosystems

30. Forest....plants and algae

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31. The organism a parasite lives on or in
3 groups that make up the energy pyramid
parasite
host
4 types of producers

32. Consumers give off carbon dioxide
difference between producers and consumers
Step 3 of the carbon dioxide and oxygen cycle
purpose of decomposers
5 things all living things need to survive

33. A series of organisims that depend on another for food
Step 4 of the carbon dioxide and oxygen cycle
decomposer
host
food chain

34. Tiger - bear - fox - wolf
producer
4 types of consumers
4 types of producers
energy pyramid

35. Plants
what gas do people breathe out
the ONE thing all food that we eat comes from
parasite
Step 1 of the carbon dioxide and oxygen cycle

36. They all die
population
the ONE thing all food that we eat comes from
purpose of decomposers
if the part of the food chain is missing...then what happens?

37. We need them because they break down dead plants and animals
community
ecosystem
purpose of decomposers
community

38. Several food chains that are connected
carbon dioxide and oxygen cycle
what gas do people breathe out
food chain
food web

39. An organism that breaks down plant and animal material
purpose of decomposers
energy pyramid
decomposer
carbon dioxide and oxygen cycle

40. Producers give off oxygen as the make their own food
Step 1 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
Step 3 of the carbon dioxide and oxygen cycle
4 types of consumers

41. The exchange of gasses between producers and consumers
where is one organism harmed and one helped?
Step 4 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle

42. All the living things in an ecosystem
if the part of the food chain is missing...then what happens?
4 types of producers
population
community

43. Oxygen
Step 1 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
the gas people breathe in...
carbon dioxide and oxygen cycle

44. The exchange of gasses between producers and consumers
if the part of the food chain is missing...then what happens?
habitat
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from

45. Producers - plant eaters - meat eaters
producer
5 things all living things need to survive
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle

46. Consumers eat producers and other consumers. Producers make their own food
ecosystem
host
difference between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle

47. Carbon dioxide
what gas do people breathe out
difference between producers and consumers
food web
carbon dioxide and oxygen cycle

48. Several food chains that are connected
purpose of decomposers
population
community
food web

49. Air - water - sun - shelter - food
4 types of producers
Step 3 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
the gas people breathe in...

50. Producers take in carbon dioxide from the consumer
food web
Step 4 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
where the world's oxygen supply comes from