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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. Plants
ecosystem
4 types of consumers
the ONE thing all food that we eat comes from
population

2. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
community
3 groups that make up the energy pyramid
what gas do people breathe out

3. Carbon dioxide
host
Step 2 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out

4. Producers take in carbon dioxide from the consumer
Step 3 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
Step 4 of the carbon dioxide and oxygen cycle
difference between producers and consumers

5. They all die
if the part of the food chain is missing...then what happens?
what organisms help each other
Step 3 of the carbon dioxide and oxygen cycle
population

6. Plant - grass - flower - trees
4 types of producers
Step 3 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
food web

7. Forest....plants and algae
consumer
3 groups that make up the energy pyramid
difference between producers and consumers
where the world's oxygen supply comes from

8. An organism that makes it's own food
4 types of producers
producer
energy pyramid
food web

9. The exchange of gasses between producers and consumers
food chain
purpose of decomposers
carbon dioxide and oxygen cycle
parasite

10. An organism that breaks down plant and animal material
Step 3 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
decomposer
3 groups that make up the energy pyramid

11. An organism that lives in or on another organism
habitat
the gas people breathe in...
parasite
population

12. An organism that lives in or on another organism
parasite
population
what organisms help each other
decomposer

13. Tiger - bear - fox - wolf
difference between producers and consumers
energy pyramid
4 types of consumers
where is one organism harmed and one helped?

14. A squirrel and a nut
host
Step 2 of the carbon dioxide and oxygen cycle
what organisms help each other
5 things all living things need to survive

15. All the members of a certain type of a living thing in an area
population
where the world's oxygen supply comes from
list 6 ecosystems
consumer

16. All the living and non living things in an environment
producer
ecosystem
consumer
4 types of consumers

17. Several food chains that are connected
food chain
food web
parasite
purpose of decomposers

18. A tapeworm and a human
4 types of consumers
food chain
where is one organism harmed and one helped?
parasite

19. Consumers eat producers and other consumers. Producers make their own food
carbon dioxide and oxygen cycle
difference between producers and consumers
if the part of the food chain is missing...then what happens?
4 types of consumers

20. An organism that eats the producer and other consumers
where is one organism harmed and one helped?
purpose of decomposers
consumer
where is one organism harmed and one helped?

21. Producers - plant eaters - meat eaters
Step 4 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
ecosystem
what gas do people breathe out

22. Consumers take in the oxygen that the producers make
community
Step 2 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
food chain

23. Air - water - sun - shelter - food
5 things all living things need to survive
where the world's oxygen supply comes from
parasite
if the part of the food chain is missing...then what happens?

24. Forest....plants and algae
population
where the world's oxygen supply comes from
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive

25. A series of organisims that depend on another for food
food chain
4 types of consumers
3 groups that make up the energy pyramid
purpose of decomposers

26. Oxygen
5 things all living things need to survive
population
the gas people breathe in...
decomposer

27. Producers - plant eaters - meat eaters
3 groups that make up the energy pyramid
parasite
5 things all living things need to survive
the ONE thing all food that we eat comes from

28. A series of organisims that depend on another for food
difference between producers and consumers
food chain
consumer
host

29. They all die
5 things all living things need to survive
host
if the part of the food chain is missing...then what happens?
consumer

30. We need them because they break down dead plants and animals
habitat
purpose of decomposers
5 things all living things need to survive
what gas do people breathe out

31. All the members of a certain type of a living thing in an area
5 things all living things need to survive
consumer
decomposer
population

32. Carbon dioxide
the ONE thing all food that we eat comes from
what organisms help each other
what gas do people breathe out
5 things all living things need to survive

33. Producers give off oxygen as the make their own food
community
4 types of producers
Step 1 of the carbon dioxide and oxygen cycle
purpose of decomposers

34. A squirrel and a nut
Step 2 of the carbon dioxide and oxygen cycle
list 6 ecosystems
what organisms help each other
where the world's oxygen supply comes from

35. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
what organisms help each other
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid

36. The organism a parasite lives on or in
habitat
4 types of consumers
the ONE thing all food that we eat comes from
host

37. Consumers take in the oxygen that the producers make
community
Step 2 of the carbon dioxide and oxygen cycle
decomposer
what organisms help each other

38. Consumers give off carbon dioxide
ecosystem
Step 3 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
purpose of decomposers

39. The exchange of gasses between producers and consumers
list 6 ecosystems
carbon dioxide and oxygen cycle
4 types of consumers
3 groups that make up the energy pyramid

40. An organism that eats the producer and other consumers
Step 2 of the carbon dioxide and oxygen cycle
community
producer
consumer

41. Oxygen
the gas people breathe in...
food chain
Step 1 of the carbon dioxide and oxygen cycle
food chain

42. All the living and non living things in an environment
Step 3 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
ecosystem
if the part of the food chain is missing...then what happens?

43. The place where a plant or animal naturally lives or grows
habitat
energy pyramid
if the part of the food chain is missing...then what happens?
purpose of decomposers

44. The place where a plant or animal naturally lives or grows
habitat
population
population
Step 3 of the carbon dioxide and oxygen cycle

45. Producers give off oxygen as the make their own food
Step 1 of the carbon dioxide and oxygen cycle
habitat
list 6 ecosystems
if the part of the food chain is missing...then what happens?

46. A tapeworm and a human
difference between producers and consumers
where is one organism harmed and one helped?
4 types of consumers
parasite

47. All the living things in an ecosystem
what organisms help each other
the ONE thing all food that we eat comes from
where is one organism harmed and one helped?
community

48. Several food chains that are connected
Step 2 of the carbon dioxide and oxygen cycle
producer
Step 1 of the carbon dioxide and oxygen cycle
food web

49. Consumers eat producers and other consumers. Producers make their own food
what gas do people breathe out
difference between producers and consumers
ecosystem
producer

50. Plant - grass - flower - trees
4 types of producers
Step 4 of the carbon dioxide and oxygen cycle
list 6 ecosystems
carbon dioxide and oxygen cycle

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3rd Grade Science Common Core

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