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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. A series of organisims that depend on another for food
producer
Step 4 of the carbon dioxide and oxygen cycle
food chain
the ONE thing all food that we eat comes from

2. They all die
Step 2 of the carbon dioxide and oxygen cycle
the gas people breathe in...
if the part of the food chain is missing...then what happens?
community

3. A tapeworm and a human
where is one organism harmed and one helped?
what gas do people breathe out
carbon dioxide and oxygen cycle
food chain

4. The place where a plant or animal naturally lives or grows
4 types of producers
habitat
population
energy pyramid

5. We need them because they break down dead plants and animals
purpose of decomposers
where the world's oxygen supply comes from
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from

6. Consumers take in the oxygen that the producers make
producer
purpose of decomposers
Step 2 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle

7. Forest....plants and algae

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8. A squirrel and a nut
where is one organism harmed and one helped?
population
what organisms help each other
parasite

9. Plants
Step 1 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
ecosystem

10. Forest....plants and algae

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11. The organism a parasite lives on or in
host
the ONE thing all food that we eat comes from
parasite
Step 2 of the carbon dioxide and oxygen cycle

12. We need them because they break down dead plants and animals
host
population
difference between producers and consumers
purpose of decomposers

13. The exchange of gasses between producers and consumers
what organisms help each other
carbon dioxide and oxygen cycle
parasite
list 6 ecosystems

14. Plant - grass - flower - trees
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
consumer
purpose of decomposers

15. Tundra - dessert - rain forest - ocean - pond - lake
the ONE thing all food that we eat comes from
if the part of the food chain is missing...then what happens?
list 6 ecosystems
host

16. All the living and non living things in an environment
difference between producers and consumers
difference between producers and consumers
ecosystem
Step 3 of the carbon dioxide and oxygen cycle

17. An organism that lives in or on another organism
producer
producer
parasite
list 6 ecosystems

18. Producers - plant eaters - meat eaters
Step 4 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
parasite
energy pyramid

19. An organism that breaks down plant and animal material
parasite
Step 3 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
decomposer

20. All the living and non living things in an environment
energy pyramid
ecosystem
population
Step 1 of the carbon dioxide and oxygen cycle

21. An organism that eats the producer and other consumers
parasite
Step 4 of the carbon dioxide and oxygen cycle
ecosystem
consumer

22. An organism that makes it's own food
what organisms help each other
producer
food chain
Step 4 of the carbon dioxide and oxygen cycle

23. Oxygen
if the part of the food chain is missing...then what happens?
the gas people breathe in...
4 types of producers
consumer

24. All the living things in an ecosystem
4 types of consumers
ecosystem
community
Step 3 of the carbon dioxide and oxygen cycle

25. A diagram that shows how energy in an ecosystem is used
energy pyramid
if the part of the food chain is missing...then what happens?
Step 3 of the carbon dioxide and oxygen cycle
habitat

26. Oxygen
Step 3 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
the gas people breathe in...
what organisms help each other

27. An organism that eats the producer and other consumers
decomposer
Step 4 of the carbon dioxide and oxygen cycle
host
consumer

28. The place where a plant or animal naturally lives or grows
population
habitat
what gas do people breathe out
difference between producers and consumers

29. They all die
consumer
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid
what gas do people breathe out

30. Air - water - sun - shelter - food
the ONE thing all food that we eat comes from
if the part of the food chain is missing...then what happens?
energy pyramid
5 things all living things need to survive

31. An organism that breaks down plant and animal material
Step 1 of the carbon dioxide and oxygen cycle
decomposer
where is one organism harmed and one helped?
list 6 ecosystems

32. A series of organisims that depend on another for food
Step 4 of the carbon dioxide and oxygen cycle
purpose of decomposers
food chain
4 types of producers

33. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
difference between producers and consumers
ecosystem
4 types of consumers

34. Carbon dioxide
what organisms help each other
population
the gas people breathe in...
what gas do people breathe out

35. An organism that makes it's own food
energy pyramid
decomposer
producer
host

36. Tiger - bear - fox - wolf
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
habitat
4 types of consumers

37. All the living things in an ecosystem
host
the ONE thing all food that we eat comes from
community
decomposer

38. An organism that lives in or on another organism
what gas do people breathe out
parasite
Step 3 of the carbon dioxide and oxygen cycle
food chain

39. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
producer
food web
the ONE thing all food that we eat comes from

40. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
the gas people breathe in...
the ONE thing all food that we eat comes from
Step 1 of the carbon dioxide and oxygen cycle

41. Plants
food chain
the ONE thing all food that we eat comes from
3 groups that make up the energy pyramid
carbon dioxide and oxygen cycle

42. Producers - plant eaters - meat eaters
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
community

43. Tundra - dessert - rain forest - ocean - pond - lake
if the part of the food chain is missing...then what happens?
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
list 6 ecosystems

44. The organism a parasite lives on or in
ecosystem
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid
host

45. Consumers give off carbon dioxide
what gas do people breathe out
Step 3 of the carbon dioxide and oxygen cycle
host
food chain

46. Consumers eat producers and other consumers. Producers make their own food
food chain
consumer
difference between producers and consumers
4 types of producers

47. Plant - grass - flower - trees
4 types of producers
Step 1 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
population

48. Consumers eat producers and other consumers. Producers make their own food
habitat
decomposer
difference between producers and consumers
producer

49. Air - water - sun - shelter - food
if the part of the food chain is missing...then what happens?
host
5 things all living things need to survive
food web

50. Consumers give off carbon dioxide
purpose of decomposers
carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
population