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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. The place where a plant or animal naturally lives or grows
5 things all living things need to survive
difference between producers and consumers
where is one organism harmed and one helped?
habitat

2. Producers give off oxygen as the make their own food
producer
Step 1 of the carbon dioxide and oxygen cycle
ecosystem
4 types of producers

3. An organism that lives in or on another organism
what gas do people breathe out
where is one organism harmed and one helped?
parasite
5 things all living things need to survive

4. A series of organisims that depend on another for food
what organisms help each other
food chain
purpose of decomposers
what organisms help each other

5. They all die
where is one organism harmed and one helped?
Step 3 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
list 6 ecosystems

6. All the members of a certain type of a living thing in an area
population
difference between producers and consumers
4 types of consumers
the ONE thing all food that we eat comes from

7. Producers - plant eaters - meat eaters
consumer
Step 1 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
ecosystem

8. The organism a parasite lives on or in
host
carbon dioxide and oxygen cycle
difference between producers and consumers
habitat

9. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
list 6 ecosystems
host
difference between producers and consumers

10. All the living things in an ecosystem
community
carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
what organisms help each other

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

12. A tapeworm and a human
food chain
where is one organism harmed and one helped?
purpose of decomposers
community

13. Several food chains that are connected
food web
carbon dioxide and oxygen cycle
host
where is one organism harmed and one helped?

14. We need them because they break down dead plants and animals
purpose of decomposers
3 groups that make up the energy pyramid
difference between producers and consumers
community

15. Plant - grass - flower - trees
decomposer
what gas do people breathe out
4 types of producers
producer

16. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
5 things all living things need to survive
decomposer
if the part of the food chain is missing...then what happens?

17. Consumers give off carbon dioxide
parasite
Step 3 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
if the part of the food chain is missing...then what happens?

18. Air - water - sun - shelter - food
difference between producers and consumers
the gas people breathe in...
consumer
5 things all living things need to survive

19. A diagram that shows how energy in an ecosystem is used
Step 3 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
energy pyramid
parasite

20. An organism that breaks down plant and animal material
if the part of the food chain is missing...then what happens?
Step 2 of the carbon dioxide and oxygen cycle
4 types of consumers
decomposer

21. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
4 types of producers
energy pyramid
food chain

22. The place where a plant or animal naturally lives or grows
4 types of producers
habitat
3 groups that make up the energy pyramid
host

23. Oxygen
the gas people breathe in...
Step 1 of the carbon dioxide and oxygen cycle
consumer
the ONE thing all food that we eat comes from

24. Producers - plant eaters - meat eaters
food web
the ONE thing all food that we eat comes from
where the world's oxygen supply comes from
3 groups that make up the energy pyramid

25. An organism that eats the producer and other consumers
what gas do people breathe out
host
consumer
difference between producers and consumers

26. A diagram that shows how energy in an ecosystem is used
energy pyramid
population
parasite
what organisms help each other

27. We need them because they break down dead plants and animals
carbon dioxide and oxygen cycle
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle

28. An organism that breaks down plant and animal material
what organisms help each other
decomposer
energy pyramid
habitat

29. Carbon dioxide
what gas do people breathe out
5 things all living things need to survive
difference between producers and consumers
habitat

30. Consumers give off carbon dioxide
difference between producers and consumers
Step 3 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
food chain

31. Tiger - bear - fox - wolf
4 types of consumers
3 groups that make up the energy pyramid
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle

32. Forest....plants and algae

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33. A squirrel and a nut
Step 4 of the carbon dioxide and oxygen cycle
what organisms help each other
parasite
habitat

34. Air - water - sun - shelter - food
Step 1 of the carbon dioxide and oxygen cycle
4 types of producers
purpose of decomposers
5 things all living things need to survive

35. Plants
if the part of the food chain is missing...then what happens?
Step 2 of the carbon dioxide and oxygen cycle
community
the ONE thing all food that we eat comes from

36. Forest....plants and algae

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37. The exchange of gasses between producers and consumers
ecosystem
Step 3 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
5 things all living things need to survive

38. Consumers eat producers and other consumers. Producers make their own food
if the part of the food chain is missing...then what happens?
community
difference between producers and consumers
food web

39. Consumers eat producers and other consumers. Producers make their own food
difference between producers and consumers
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid
community

40. Producers give off oxygen as the make their own food
Step 2 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
5 things all living things need to survive

41. Producers take in carbon dioxide from the consumer
Step 1 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
community
habitat

42. The organism a parasite lives on or in
what gas do people breathe out
host
food chain
producer

43. An organism that makes it's own food
producer
population
if the part of the food chain is missing...then what happens?
Step 3 of the carbon dioxide and oxygen cycle

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

45. An organism that lives in or on another organism
4 types of producers
5 things all living things need to survive
parasite
consumer

46. Plant - grass - flower - trees
4 types of producers
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid
food chain

47. Carbon dioxide
community
producer
what gas do people breathe out
list 6 ecosystems

48. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
the ONE thing all food that we eat comes from
decomposer
5 things all living things need to survive

49. Oxygen
the gas people breathe in...
carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
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
population
community
purpose of decomposers
4 types of consumers