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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. Air - water - sun - shelter - food
the ONE thing all food that we eat comes from
5 things all living things need to survive
Step 3 of the carbon dioxide and oxygen cycle
population

2. All the living and non living things in an environment
purpose of decomposers
ecosystem
decomposer
the ONE thing all food that we eat comes from

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

4. All the living and non living things in an environment
carbon dioxide and oxygen cycle
habitat
ecosystem
population

5. Several food chains that are connected
food chain
food web
ecosystem
Step 2 of the carbon dioxide and oxygen cycle

6. Oxygen
host
the gas people breathe in...
food web
ecosystem

7. A tapeworm and a human
food web
energy pyramid
where the world's oxygen supply comes from
where is one organism harmed and one helped?

8. Tundra - dessert - rain forest - ocean - pond - lake
food web
where the world's oxygen supply comes from
4 types of consumers
list 6 ecosystems

9. They all die
community
if the part of the food chain is missing...then what happens?
what gas do people breathe out
host

10. All the living things in an ecosystem
producer
community
what gas do people breathe out
host

11. A series of organisims that depend on another for food
5 things all living things need to survive
food chain
4 types of consumers
producer

12. The exchange of gasses between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle
where the world's oxygen supply comes from
where is one organism harmed and one helped?
carbon dioxide and oxygen cycle

13. An organism that makes it's own food
parasite
energy pyramid
producer
list 6 ecosystems

14. We need them because they break down dead plants and animals
population
community
purpose of decomposers
Step 4 of the carbon dioxide and oxygen cycle

15. The exchange of gasses between producers and consumers
4 types of producers
5 things all living things need to survive
carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle

16. Plant - grass - flower - trees
Step 4 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
food web
4 types of producers

17. Forest....plants and algae

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18. Producers - plant eaters - meat eaters
consumer
3 groups that make up the energy pyramid
habitat
the gas people breathe in...

19. A squirrel and a nut
what gas do people breathe out
3 groups that make up the energy pyramid
what organisms help each other
where the world's oxygen supply comes from

20. We need them because they break down dead plants and animals
consumer
Step 4 of the carbon dioxide and oxygen cycle
population
purpose of decomposers

21. Forest....plants and algae

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22. Plant - grass - flower - trees
what gas do people breathe out
food chain
ecosystem
4 types of producers

23. Consumers give off carbon dioxide
food chain
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from
Step 3 of the carbon dioxide and oxygen cycle

24. The place where a plant or animal naturally lives or grows
parasite
habitat
Step 3 of the carbon dioxide and oxygen cycle
community

25. Tiger - bear - fox - wolf
5 things all living things need to survive
food web
decomposer
4 types of consumers

26. A tapeworm and a human
food web
the gas people breathe in...
population
where is one organism harmed and one helped?

27. Oxygen
host
the gas people breathe in...
5 things all living things need to survive
where is one organism harmed and one helped?

28. Plants
the ONE thing all food that we eat comes from
host
food chain
habitat

29. Consumers take in the oxygen that the producers make
the ONE thing all food that we eat comes from
Step 2 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

30. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
4 types of consumers
where the world's oxygen supply comes from
purpose of decomposers

31. An organism that lives in or on another organism
parasite
host
food chain
if the part of the food chain is missing...then what happens?

32. Consumers take in the oxygen that the producers make
host
community
the gas people breathe in...
Step 2 of the carbon dioxide and oxygen cycle

33. All the members of a certain type of a living thing in an area
population
Step 4 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
producer

34. Consumers eat producers and other consumers. Producers make their own food
4 types of consumers
what organisms help each other
consumer
difference between producers and consumers

35. Consumers eat producers and other consumers. Producers make their own food
if the part of the food chain is missing...then what happens?
difference between producers and consumers
community
Step 1 of the carbon dioxide and oxygen cycle

36. Tundra - dessert - rain forest - ocean - pond - lake
host
parasite
list 6 ecosystems
4 types of consumers

37. A diagram that shows how energy in an ecosystem is used
4 types of consumers
energy pyramid
what organisms help each other
habitat

38. Carbon dioxide
4 types of consumers
what gas do people breathe out
Step 4 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?

39. The place where a plant or animal naturally lives or grows
difference between producers and consumers
if the part of the food chain is missing...then what happens?
habitat
food web

40. Producers take in carbon dioxide from the consumer
food web
food chain
Step 4 of the carbon dioxide and oxygen cycle
consumer

41. Consumers give off carbon dioxide
what gas do people breathe out
if the part of the food chain is missing...then what happens?
Step 3 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

42. Producers give off oxygen as the make their own food
list 6 ecosystems
energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle

43. Air - water - sun - shelter - food
where is one organism harmed and one helped?
5 things all living things need to survive
Step 2 of the carbon dioxide and oxygen cycle
purpose of decomposers

44. A diagram that shows how energy in an ecosystem is used
where the world's oxygen supply comes from
Step 2 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
energy pyramid

45. Producers give off oxygen as the make their own food
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
where the world's oxygen supply comes from

46. An organism that eats the producer and other consumers
consumer
purpose of decomposers
what organisms help each other
community

47. All the members of a certain type of a living thing in an area
the gas people breathe in...
where the world's oxygen supply comes from
population
producer

48. Plants
energy pyramid
what organisms help each other
food chain
the ONE thing all food that we eat comes from

49. The organism a parasite lives on or in
4 types of producers
decomposer
host
purpose of decomposers

50. A series of organisims that depend on another for food
ecosystem
community
food chain
list 6 ecosystems

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3rd Grade Science Common Core

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