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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. Plant - grass - flower - trees
decomposer
4 types of producers
the ONE thing all food that we eat comes from
host

2. An organism that lives in or on another organism
habitat
parasite
where is one organism harmed and one helped?
ecosystem

3. An organism that eats the producer and other consumers
consumer
4 types of consumers
3 groups that make up the energy pyramid
Step 3 of the carbon dioxide and oxygen cycle

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

5. Carbon dioxide
consumer
what gas do people breathe out
community
3 groups that make up the energy pyramid

6. All the living and non living things in an environment
ecosystem
5 things all living things need to survive
host
the gas people breathe in...

7. All the living things in an ecosystem
Step 1 of the carbon dioxide and oxygen cycle
community
ecosystem
host

8. Tiger - bear - fox - wolf
Step 4 of the carbon dioxide and oxygen cycle
4 types of consumers
3 groups that make up the energy pyramid
3 groups that make up the energy pyramid

9. A tapeworm and a human
list 6 ecosystems
carbon dioxide and oxygen cycle
energy pyramid
where is one organism harmed and one helped?

10. Oxygen
habitat
if the part of the food chain is missing...then what happens?
producer
the gas people breathe in...

11. A diagram that shows how energy in an ecosystem is used
consumer
community
Step 1 of the carbon dioxide and oxygen cycle
energy pyramid

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

13. Oxygen
consumer
the gas people breathe in...
difference between producers and consumers
list 6 ecosystems

14. Consumers take in the oxygen that the producers make
4 types of producers
Step 2 of the carbon dioxide and oxygen cycle
what gas do people breathe out
consumer

15. Producers take in carbon dioxide from the consumer
purpose of decomposers
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle
difference between producers and consumers

16. Producers give off oxygen as the make their own food
population
consumer
Step 2 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle

17. Plant - grass - flower - trees
energy pyramid
4 types of producers
host
Step 3 of the carbon dioxide and oxygen cycle

18. Forest....plants and algae

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19. They all die
if the part of the food chain is missing...then what happens?
where is one organism harmed and one helped?
Step 2 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle

20. We need them because they break down dead plants and animals
purpose of decomposers
3 groups that make up the energy pyramid
consumer
Step 1 of the carbon dioxide and oxygen cycle

21. A diagram that shows how energy in an ecosystem is used
the ONE thing all food that we eat comes from
parasite
food web
energy pyramid

22. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
habitat
the gas people breathe in...

23. Consumers eat producers and other consumers. Producers make their own food
5 things all living things need to survive
consumer
difference between producers and consumers
the gas people breathe in...

24. Tiger - bear - fox - wolf
4 types of consumers
Step 2 of the carbon dioxide and oxygen cycle
food chain
population

25. Producers take in carbon dioxide from the consumer
community
host
5 things all living things need to survive
Step 4 of the carbon dioxide and oxygen cycle

26. They all die
parasite
if the part of the food chain is missing...then what happens?
the gas people breathe in...
difference between producers and consumers

27. An organism that eats the producer and other consumers
4 types of consumers
consumer
energy pyramid
if the part of the food chain is missing...then what happens?

28. An organism that breaks down plant and animal material
decomposer
if the part of the food chain is missing...then what happens?
food web
what gas do people breathe out

29. All the members of a certain type of a living thing in an area
population
3 groups that make up the energy pyramid
4 types of consumers
difference between producers and consumers

30. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
the gas people breathe in...
difference between producers and consumers
3 groups that make up the energy pyramid

31. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
decomposer
where is one organism harmed and one helped?
where is one organism harmed and one helped?

32. The exchange of gasses between producers and consumers
population
decomposer
the gas people breathe in...
carbon dioxide and oxygen cycle

33. An organism that makes it's own food
food chain
Step 2 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
producer

34. Consumers take in the oxygen that the producers make
community
5 things all living things need to survive
Step 2 of the carbon dioxide and oxygen cycle
food chain

35. Tundra - dessert - rain forest - ocean - pond - lake
Step 4 of the carbon dioxide and oxygen cycle
list 6 ecosystems
food web
population

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

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

38. Air - water - sun - shelter - food
Step 2 of the carbon dioxide and oxygen cycle
food chain
Step 2 of the carbon dioxide and oxygen cycle
5 things all living things need to survive

39. Carbon dioxide
what gas do people breathe out
Step 2 of the carbon dioxide and oxygen cycle
4 types of consumers
parasite

40. Air - water - sun - shelter - food
5 things all living things need to survive
population
where is one organism harmed and one helped?
the ONE thing all food that we eat comes from

41. The organism a parasite lives on or in
3 groups that make up the energy pyramid
where the world's oxygen supply comes from
energy pyramid
host

42. We need them because they break down dead plants and animals
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle
difference between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle

43. Plants
food web
host
consumer
the ONE thing all food that we eat comes from

44. Several food chains that are connected
4 types of consumers
food web
ecosystem
Step 3 of the carbon dioxide and oxygen cycle

45. Consumers eat producers and other consumers. Producers make their own food
4 types of consumers
purpose of decomposers
difference between producers and consumers
5 things all living things need to survive

46. Forest....plants and algae

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47. Producers give off oxygen as the make their own food
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
the gas people breathe in...

48. A series of organisims that depend on another for food
food chain
ecosystem
3 groups that make up the energy pyramid
what organisms help each other

49. An organism that breaks down plant and animal material
Step 3 of the carbon dioxide and oxygen cycle
food web
decomposer
energy pyramid

50. All the living and non living things in an environment
ecosystem
consumer
if the part of the food chain is missing...then what happens?
the ONE thing all food that we eat comes from