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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. All the members of a certain type of a living thing in an area
4 types of consumers
4 types of consumers
population
Step 1 of the carbon dioxide and oxygen cycle

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

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

4. A diagram that shows how energy in an ecosystem is used
ecosystem
parasite
community
energy pyramid

5. A tapeworm and a human
list 6 ecosystems
4 types of producers
where is one organism harmed and one helped?
host

6. Air - water - sun - shelter - food
food web
where the world's oxygen supply comes from
the ONE thing all food that we eat comes from
5 things all living things need to survive

7. A series of organisims that depend on another for food
food chain
producer
energy pyramid
habitat

8. The organism a parasite lives on or in
food web
ecosystem
energy pyramid
host

9. Oxygen
energy pyramid
habitat
the gas people breathe in...
Step 4 of the carbon dioxide and oxygen cycle

10. Plants
the ONE thing all food that we eat comes from
if the part of the food chain is missing...then what happens?
decomposer
5 things all living things need to survive

11. Air - water - sun - shelter - food
population
5 things all living things need to survive
community
population

12. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
energy pyramid
Step 1 of the carbon dioxide and oxygen cycle

13. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
food chain
3 groups that make up the energy pyramid
ecosystem

14. Tiger - bear - fox - wolf
5 things all living things need to survive
Step 2 of the carbon dioxide and oxygen cycle
4 types of consumers
decomposer

15. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
Step 4 of the carbon dioxide and oxygen cycle
decomposer
if the part of the food chain is missing...then what happens?

16. Producers take in carbon dioxide from the consumer
list 6 ecosystems
carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
population

17. Plant - grass - flower - trees
decomposer
4 types of producers
what gas do people breathe out
what organisms help each other

18. Tundra - dessert - rain forest - ocean - pond - lake
host
the ONE thing all food that we eat comes from
Step 1 of the carbon dioxide and oxygen cycle
list 6 ecosystems

19. A squirrel and a nut
Step 2 of the carbon dioxide and oxygen cycle
purpose of decomposers
community
what organisms help each other

20. All the living and non living things in an environment
where is one organism harmed and one helped?
ecosystem
Step 4 of the carbon dioxide and oxygen cycle
consumer

21. A squirrel and a nut
ecosystem
the gas people breathe in...
producer
what organisms help each other

22. All the living things in an ecosystem
the ONE thing all food that we eat comes from
where the world's oxygen supply comes from
the ONE thing all food that we eat comes from
community

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

24. An organism that makes it's own food
3 groups that make up the energy pyramid
4 types of producers
energy pyramid
producer

25. The place where a plant or animal naturally lives or grows
5 things all living things need to survive
habitat
3 groups that make up the energy pyramid
if the part of the food chain is missing...then what happens?

26. We need them because they break down dead plants and animals
if the part of the food chain is missing...then what happens?
consumer
Step 2 of the carbon dioxide and oxygen cycle
purpose of decomposers

27. All the living and non living things in an environment
Step 4 of the carbon dioxide and oxygen cycle
habitat
Step 3 of the carbon dioxide and oxygen cycle
ecosystem

28. All the living things in an ecosystem
community
producer
habitat
consumer

29. An organism that breaks down plant and animal material
Step 3 of the carbon dioxide and oxygen cycle
host
the gas people breathe in...
decomposer

30. Several food chains that are connected
where the world's oxygen supply comes from
energy pyramid
food web
where is one organism harmed and one helped?

31. A tapeworm and a human
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid
habitat
where is one organism harmed and one helped?

32. The place where a plant or animal naturally lives or grows
carbon dioxide and oxygen cycle
list 6 ecosystems
community
habitat

33. They all die
consumer
habitat
host
if the part of the food chain is missing...then what happens?

34. Producers - plant eaters - meat eaters
where is one organism harmed and one helped?
3 groups that make up the energy pyramid
food chain
Step 1 of the carbon dioxide and oxygen cycle

35. We need them because they break down dead plants and animals
energy pyramid
purpose of decomposers
Step 3 of the carbon dioxide and oxygen cycle
consumer

36. Consumers eat producers and other consumers. Producers make their own food
the gas people breathe in...
5 things all living things need to survive
3 groups that make up the energy pyramid
difference between producers and consumers

37. A series of organisims that depend on another for food
decomposer
food chain
population
the ONE thing all food that we eat comes from

38. Carbon dioxide
purpose of decomposers
what gas do people breathe out
Step 1 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid

39. The organism a parasite lives on or in
host
producer
population
purpose of decomposers

40. An organism that makes it's own food
Step 2 of the carbon dioxide and oxygen cycle
producer
4 types of consumers
the gas people breathe in...

41. Plants
energy pyramid
energy pyramid
the ONE thing all food that we eat comes from
consumer

42. Producers give off oxygen as the make their own food
parasite
what organisms help each other
Step 1 of the carbon dioxide and oxygen cycle
community

43. Several food chains that are connected
4 types of producers
host
food web
where is one organism harmed and one helped?

44. An organism that lives in or on another organism
what gas do people breathe out
food chain
producer
parasite

45. Carbon dioxide
consumer
decomposer
community
what gas do people breathe out

46. An organism that breaks down plant and animal material
decomposer
producer
what organisms help each other
4 types of consumers

47. They all die
producer
what gas do people breathe out
ecosystem
if the part of the food chain is missing...then what happens?

48. Forest....plants and algae

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49. Tiger - bear - fox - wolf
4 types of consumers
community
the gas people breathe in...
Step 1 of the carbon dioxide and oxygen cycle

50. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
parasite
what organisms help each other
difference between producers and consumers