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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. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
decomposer
where is one organism harmed and one helped?

2. Forest....plants and algae
purpose of decomposers
list 6 ecosystems
if the part of the food chain is missing...then what happens?
where the world's oxygen supply comes from

3. The organism a parasite lives on or in
decomposer
what gas do people breathe out
energy pyramid
host

4. A diagram that shows how energy in an ecosystem is used
energy pyramid
decomposer
3 groups that make up the energy pyramid
Step 2 of the carbon dioxide and oxygen cycle

5. Oxygen
Step 2 of the carbon dioxide and oxygen cycle
list 6 ecosystems
producer
the gas people breathe in...

6. Carbon dioxide
the gas people breathe in...
Step 2 of the carbon dioxide and oxygen cycle
what gas do people breathe out
the gas people breathe in...

7. Several food chains that are connected
food web
Step 4 of the carbon dioxide and oxygen cycle
ecosystem
habitat

8. Consumers take in the oxygen that the producers make
where is one organism harmed and one helped?
5 things all living things need to survive
what organisms help each other
Step 2 of the carbon dioxide and oxygen cycle

9. We need them because they break down dead plants and animals
purpose of decomposers
the ONE thing all food that we eat comes from
decomposer
habitat

10. All the living things in an ecosystem
parasite
community
producer
Step 4 of the carbon dioxide and oxygen cycle

11. An organism that breaks down plant and animal material
decomposer
where is one organism harmed and one helped?
4 types of consumers
Step 2 of the carbon dioxide and oxygen cycle

12. Consumers give off carbon dioxide
where is one organism harmed and one helped?
the gas people breathe in...
Step 3 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid

13. Tiger - bear - fox - wolf
4 types of consumers
energy pyramid
community
ecosystem

14. A series of organisims that depend on another for food
food chain
food web
if the part of the food chain is missing...then what happens?
where is one organism harmed and one helped?

15. Producers - plant eaters - meat eaters
if the part of the food chain is missing...then what happens?
4 types of consumers
3 groups that make up the energy pyramid
food web

16. An organism that lives in or on another organism
5 things all living things need to survive
parasite
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from

17. Consumers take in the oxygen that the producers make
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from
Step 2 of the carbon dioxide and oxygen cycle
list 6 ecosystems

18. We need them because they break down dead plants and animals
4 types of consumers
what gas do people breathe out
4 types of producers
purpose of decomposers

19. Air - water - sun - shelter - food
5 things all living things need to survive
food chain
consumer
habitat

20. Air - water - sun - shelter - food
5 things all living things need to survive
carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
difference between producers and consumers

21. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
the gas people breathe in...
what organisms help each other
the gas people breathe in...

22. The place where a plant or animal naturally lives or grows
what organisms help each other
the gas people breathe in...
habitat
if the part of the food chain is missing...then what happens?

23. Producers take in carbon dioxide from the consumer
ecosystem
Step 4 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
where the world's oxygen supply comes from

24. A diagram that shows how energy in an ecosystem is used
difference between producers and consumers
consumer
energy pyramid
list 6 ecosystems

25. Producers - plant eaters - meat eaters
4 types of consumers
Step 1 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
where is one organism harmed and one helped?

26. Oxygen
the gas people breathe in...
difference between producers and consumers
Step 3 of the carbon dioxide and oxygen cycle
5 things all living things need to survive

27. Plant - grass - flower - trees
4 types of producers
list 6 ecosystems
community
the ONE thing all food that we eat comes from

28. A squirrel and a nut
where the world's oxygen supply comes from
parasite
what organisms help each other
food web

29. All the living and non living things in an environment
the ONE thing all food that we eat comes from
ecosystem
where is one organism harmed and one helped?
host

30. Tiger - bear - fox - wolf
Step 4 of the carbon dioxide and oxygen cycle
4 types of consumers
the ONE thing all food that we eat comes from
difference between producers and consumers

31. A series of organisims that depend on another for food
food chain
Step 3 of the carbon dioxide and oxygen cycle
population
what gas do people breathe out

32. Forest....plants and algae
difference between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle
ecosystem
where the world's oxygen supply comes from

33. The exchange of gasses between producers and consumers
where the world's oxygen supply comes from
what organisms help each other
carbon dioxide and oxygen cycle
population

34. They all die
where is one organism harmed and one helped?
what gas do people breathe out
purpose of decomposers
if the part of the food chain is missing...then what happens?

35. An organism that eats the producer and other consumers
consumer
energy pyramid
the ONE thing all food that we eat comes from
Step 4 of the carbon dioxide and oxygen cycle

36. Several food chains that are connected
food web
host
what organisms help each other
parasite

37. The organism a parasite lives on or in
3 groups that make up the energy pyramid
if the part of the food chain is missing...then what happens?
Step 3 of the carbon dioxide and oxygen cycle
host

38. Consumers eat producers and other consumers. Producers make their own food
difference between producers and consumers
habitat
food web
Step 3 of the carbon dioxide and oxygen cycle

39. Plants
parasite
difference between producers and consumers
the ONE thing all food that we eat comes from
Step 2 of the carbon dioxide and oxygen cycle

40. All the living and non living things in an environment
4 types of consumers
ecosystem
food chain
consumer

41. Carbon dioxide
food chain
Step 4 of the carbon dioxide and oxygen cycle
what gas do people breathe out
4 types of consumers

42. The place where a plant or animal naturally lives or grows
habitat
Step 4 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
difference between producers and consumers

43. A squirrel and a nut
Step 4 of the carbon dioxide and oxygen cycle
decomposer
the ONE thing all food that we eat comes from
what organisms help each other

44. An organism that makes it's own food
decomposer
4 types of producers
producer
consumer

45. All the members of a certain type of a living thing in an area
Step 4 of the carbon dioxide and oxygen cycle
population
what gas do people breathe out
Step 2 of the carbon dioxide and oxygen cycle

46. A tapeworm and a human
4 types of producers
3 groups that make up the energy pyramid
community
where is one organism harmed and one helped?

47. Producers give off oxygen as the make their own food
list 6 ecosystems
Step 1 of the carbon dioxide and oxygen cycle
where the world's oxygen supply comes from
3 groups that make up the energy pyramid

48. A tapeworm and a human
4 types of producers
where is one organism harmed and one helped?
4 types of consumers
food web

49. An organism that breaks down plant and animal material
decomposer
population
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from

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

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3rd Grade Science Common Core

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