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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. Consumers take in the oxygen that the producers make
population
list 6 ecosystems
Step 2 of the carbon dioxide and oxygen cycle
4 types of producers

2. Consumers take in the oxygen that the producers make
carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
what gas do people breathe out
difference between producers and consumers

3. The place where a plant or animal naturally lives or grows
what organisms help each other
energy pyramid
habitat
food chain

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

5. The organism a parasite lives on or in
difference between producers and consumers
host
list 6 ecosystems
producer

6. An organism that eats the producer and other consumers
decomposer
list 6 ecosystems
consumer
where is one organism harmed and one helped?

7. All the members of a certain type of a living thing in an area
population
4 types of consumers
what organisms help each other
list 6 ecosystems

8. All the living things in an ecosystem
if the part of the food chain is missing...then what happens?
community
if the part of the food chain is missing...then what happens?
Step 1 of the carbon dioxide and oxygen cycle

9. A squirrel and a nut
purpose of decomposers
what organisms help each other
5 things all living things need to survive
community

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

11. An organism that makes it's own food
community
what gas do people breathe out
producer
what organisms help each other

12. A tapeworm and a human
Step 3 of the carbon dioxide and oxygen cycle
ecosystem
4 types of consumers
where is one organism harmed and one helped?

13. Carbon dioxide
what gas do people breathe out
4 types of producers
Step 3 of the carbon dioxide and oxygen cycle
purpose of decomposers

14. Plant - grass - flower - trees
host
community
4 types of producers
food web

15. All the living and non living things in an environment
ecosystem
what organisms help each other
Step 1 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

16. Plants
food chain
the ONE thing all food that we eat comes from
list 6 ecosystems
ecosystem

17. The organism a parasite lives on or in
host
food web
Step 2 of the carbon dioxide and oxygen cycle
4 types of consumers

18. Oxygen
the gas people breathe in...
3 groups that make up the energy pyramid
food chain
what organisms help each other

19. All the members of a certain type of a living thing in an area
food web
population
habitat
3 groups that make up the energy pyramid

20. They all die
producer
difference between producers and consumers
Step 3 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?

21. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
what gas do people breathe out
3 groups that make up the energy pyramid
community

22. Producers give off oxygen as the make their own food
consumer
difference between producers and consumers
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle

23. An organism that lives in or on another organism
list 6 ecosystems
difference between producers and consumers
parasite
the gas people breathe in...

24. Forest....plants and algae

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

26. The place where a plant or animal naturally lives or grows
community
difference between producers and consumers
decomposer
habitat

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

28. Air - water - sun - shelter - food
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid
parasite
5 things all living things need to survive

29. We need them because they break down dead plants and animals
list 6 ecosystems
energy pyramid
purpose of decomposers
consumer

30. Tundra - dessert - rain forest - ocean - pond - lake
producer
list 6 ecosystems
Step 3 of the carbon dioxide and oxygen cycle
where the world's oxygen supply comes from

31. We need them because they break down dead plants and animals
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle
producer
where the world's oxygen supply comes from

32. Carbon dioxide
what gas do people breathe out
producer
difference between producers and consumers
parasite

33. Producers - plant eaters - meat eaters
ecosystem
community
3 groups that make up the energy pyramid
consumer

34. All the living and non living things in an environment
4 types of producers
Step 2 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
ecosystem

35. A tapeworm and a human
consumer
where is one organism harmed and one helped?
4 types of consumers
what gas do people breathe out

36. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
difference between producers and consumers
what gas do people breathe out
producer

37. They all die
producer
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid
Step 3 of the carbon dioxide and oxygen cycle

38. Tiger - bear - fox - wolf
4 types of consumers
3 groups that make up the energy pyramid
list 6 ecosystems
if the part of the food chain is missing...then what happens?

39. A diagram that shows how energy in an ecosystem is used
ecosystem
energy pyramid
what gas do people breathe out
list 6 ecosystems

40. A series of organisims that depend on another for food
food chain
energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
4 types of producers

41. Forest....plants and algae

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42. A series of organisims that depend on another for food
food chain
the gas people breathe in...
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

43. An organism that makes it's own food
4 types of producers
purpose of decomposers
producer
carbon dioxide and oxygen cycle

44. Consumers give off carbon dioxide
Step 2 of the carbon dioxide and oxygen cycle
parasite
Step 3 of the carbon dioxide and oxygen cycle
host

45. Air - water - sun - shelter - food
food chain
difference between producers and consumers
5 things all living things need to survive
ecosystem

46. Producers - plant eaters - meat eaters
community
3 groups that make up the energy pyramid
carbon dioxide and oxygen cycle
purpose of decomposers

47. The exchange of gasses between producers and consumers
Step 3 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
4 types of consumers
4 types of producers

48. Several food chains that are connected
list 6 ecosystems
food web
what gas do people breathe out
5 things all living things need to survive

49. Producers give off oxygen as the make their own food
Step 3 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
host
population

50. All the living things in an ecosystem
community
decomposer
habitat
decomposer