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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. We need them because they break down dead plants and animals
purpose of decomposers
carbon dioxide and oxygen cycle
what gas do people breathe out
food web

2. A series of organisims that depend on another for food
Step 2 of the carbon dioxide and oxygen cycle
what organisms help each other
food chain
energy pyramid

3. Carbon dioxide
what gas do people breathe out
habitat
producer
food web

4. Several food chains that are connected
community
consumer
list 6 ecosystems
food web

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

6. A squirrel and a nut
food chain
energy pyramid
what organisms help each other
food chain

7. An organism that breaks down plant and animal material
population
4 types of consumers
parasite
decomposer

8. An organism that makes it's own food
producer
population
habitat
Step 4 of the carbon dioxide and oxygen cycle

9. The place where a plant or animal naturally lives or grows
food chain
Step 3 of the carbon dioxide and oxygen cycle
list 6 ecosystems
habitat

10. An organism that makes it's own food
if the part of the food chain is missing...then what happens?
producer
the ONE thing all food that we eat comes from
host

11. A diagram that shows how energy in an ecosystem is used
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid
parasite
if the part of the food chain is missing...then what happens?

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

13. Tundra - dessert - rain forest - ocean - pond - lake
energy pyramid
food chain
list 6 ecosystems
Step 4 of the carbon dioxide and oxygen cycle

14. All the members of a certain type of a living thing in an area
where the world's oxygen supply comes from
community
population
what gas do people breathe out

15. Plant - grass - flower - trees
Step 2 of the carbon dioxide and oxygen cycle
ecosystem
4 types of producers
list 6 ecosystems

16. Producers take in carbon dioxide from the consumer
producer
Step 4 of the carbon dioxide and oxygen cycle
list 6 ecosystems
energy pyramid

17. Consumers take in the oxygen that the producers make
4 types of producers
producer
parasite
Step 2 of the carbon dioxide and oxygen cycle

18. Several food chains that are connected
4 types of producers
difference between producers and consumers
food chain
food web

19. We need them because they break down dead plants and animals
habitat
4 types of producers
3 groups that make up the energy pyramid
purpose of decomposers

20. Tiger - bear - fox - wolf
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from
list 6 ecosystems
4 types of consumers

21. All the living things in an ecosystem
5 things all living things need to survive
community
5 things all living things need to survive
3 groups that make up the energy pyramid

22. An organism that eats the producer and other consumers
consumer
3 groups that make up the energy pyramid
list 6 ecosystems
difference between producers and consumers

23. Producers take in carbon dioxide from the consumer
ecosystem
what organisms help each other
Step 4 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

24. Producers give off oxygen as the make their own food
Step 1 of the carbon dioxide and oxygen cycle
energy pyramid
what gas do people breathe out
Step 4 of the carbon dioxide and oxygen cycle

25. Plants
Step 1 of the carbon dioxide and oxygen cycle
habitat
the ONE thing all food that we eat comes from
what organisms help each other

26. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle

27. Plant - grass - flower - trees
habitat
4 types of producers
Step 3 of the carbon dioxide and oxygen cycle
host

28. They all die
if the part of the food chain is missing...then what happens?
carbon dioxide and oxygen cycle
4 types of consumers
purpose of decomposers

29. All the living and non living things in an environment
food chain
purpose of decomposers
ecosystem
Step 3 of the carbon dioxide and oxygen cycle

30. An organism that lives in or on another organism
Step 3 of the carbon dioxide and oxygen cycle
community
producer
parasite

31. An organism that lives in or on another organism
what gas do people breathe out
food web
parasite
decomposer

32. An organism that breaks down plant and animal material
decomposer
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
5 things all living things need to survive

33. Consumers eat producers and other consumers. Producers make their own food
food chain
difference between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle
habitat

34. A tapeworm and a human
where is one organism harmed and one helped?
4 types of producers
producer
where the world's oxygen supply comes from

35. Air - water - sun - shelter - food
consumer
5 things all living things need to survive
consumer
3 groups that make up the energy pyramid

36. Producers - plant eaters - meat eaters
food chain
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

37. Oxygen
ecosystem
5 things all living things need to survive
habitat
the gas people breathe in...

38. Plants
habitat
Step 4 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle

39. Consumers eat producers and other consumers. Producers make their own food
the gas people breathe in...
ecosystem
difference between producers and consumers
where the world's oxygen supply comes from

40. An organism that eats the producer and other consumers
ecosystem
carbon dioxide and oxygen cycle
consumer
what organisms help each other

41. The organism a parasite lives on or in
producer
food chain
ecosystem
host

42. Tundra - dessert - rain forest - ocean - pond - lake
carbon dioxide and oxygen cycle
energy pyramid
purpose of decomposers
list 6 ecosystems

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

44. Tiger - bear - fox - wolf
habitat
4 types of consumers
Step 3 of the carbon dioxide and oxygen cycle
community

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

46. Consumers take in the oxygen that the producers make
ecosystem
Step 2 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
community

47. The exchange of gasses between producers and consumers
Step 3 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
what gas do people breathe out
4 types of producers

48. A series of organisims that depend on another for food
producer
Step 2 of the carbon dioxide and oxygen cycle
food chain
food web

49. A diagram that shows how energy in an ecosystem is used
parasite
list 6 ecosystems
energy pyramid
Step 4 of the carbon dioxide and oxygen cycle

50. The organism a parasite lives on or in
host
where is one organism harmed and one helped?
carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid

Can you answer 50 questions in 15 minutes?

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3rd Grade Science Common Core

Can you answer 50 questions in 15 minutes?

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