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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 eat producers and other consumers. Producers make their own food
5 things all living things need to survive
4 types of producers
food web
difference between producers and consumers

2. Producers give off oxygen as the make their own food
where is one organism harmed and one helped?
Step 1 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
list 6 ecosystems

3. Plant - grass - flower - trees
4 types of producers
producer
population
habitat

4. An organism that eats the producer and other consumers
Step 1 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
host
consumer

5. The organism a parasite lives on or in
5 things all living things need to survive
host
Step 3 of the carbon dioxide and oxygen cycle
food chain

6. Forest....plants and algae

7. Plants
3 groups that make up the energy pyramid
host
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from

8. We need them because they break down dead plants and animals
purpose of decomposers
the ONE thing all food that we eat comes from
community
where is one organism harmed and one helped?

9. An organism that lives in or on another organism
4 types of consumers
where is one organism harmed and one helped?
what organisms help each other
parasite

10. The organism a parasite lives on or in
host
food chain
parasite
the ONE thing all food that we eat comes from

11. Plant - grass - flower - trees
4 types of producers
ecosystem
carbon dioxide and oxygen cycle
food chain

12. Tiger - bear - fox - wolf
consumer
4 types of consumers
Step 4 of the carbon dioxide and oxygen cycle
what organisms help each other

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

14. Air - water - sun - shelter - food
where the world's oxygen supply comes from
what gas do people breathe out
5 things all living things need to survive
parasite

15. Tiger - bear - fox - wolf
4 types of consumers
Step 3 of the carbon dioxide and oxygen cycle
food chain
Step 2 of the carbon dioxide and oxygen cycle

16. An organism that makes it's own food
Step 4 of the carbon dioxide and oxygen cycle
what gas do people breathe out
producer
Step 1 of the carbon dioxide and oxygen cycle

17. Tundra - dessert - rain forest - ocean - pond - lake
community
Step 1 of the carbon dioxide and oxygen cycle
list 6 ecosystems
carbon dioxide and oxygen cycle

18. All the living things in an ecosystem
community
food web
habitat
energy pyramid

19. A series of organisims that depend on another for food
food chain
population
community
decomposer

20. Consumers take in the oxygen that the producers make
carbon dioxide and oxygen cycle
4 types of producers
Step 2 of the carbon dioxide and oxygen cycle
habitat

21. Consumers give off carbon dioxide
community
Step 1 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle

22. Producers - plant eaters - meat eaters
parasite
3 groups that make up the energy pyramid
what organisms help each other
ecosystem

23. An organism that breaks down plant and animal material
the gas people breathe in...
producer
population
decomposer

24. All the members of a certain type of a living thing in an area
where the world's oxygen supply comes from
Step 4 of the carbon dioxide and oxygen cycle
4 types of producers
population

25. A diagram that shows how energy in an ecosystem is used
community
purpose of decomposers
energy pyramid
the gas people breathe in...

26. Consumers eat producers and other consumers. Producers make their own food
purpose of decomposers
what gas do people breathe out
if the part of the food chain is missing...then what happens?
difference between producers and consumers

27. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
ecosystem

28. A tapeworm and a human
where the world's oxygen supply comes from
where is one organism harmed and one helped?
if the part of the food chain is missing...then what happens?
food chain

29. All the members of a certain type of a living thing in an area
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from
Step 4 of the carbon dioxide and oxygen cycle
population

30. All the living things in an ecosystem
host
4 types of producers
community
population

31. Several food chains that are connected
population
food web
carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle

32. A tapeworm and a human
where is one organism harmed and one helped?
habitat
if the part of the food chain is missing...then what happens?
food chain

33. A squirrel and a nut
habitat
what organisms help each other
decomposer
ecosystem

34. An organism that lives in or on another organism
Step 2 of the carbon dioxide and oxygen cycle
parasite
carbon dioxide and oxygen cycle
ecosystem

35. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
community
what organisms help each other
Step 1 of the carbon dioxide and oxygen cycle

36. All the living and non living things in an environment
food web
host
the ONE thing all food that we eat comes from
ecosystem

37. Oxygen
producer
energy pyramid
what gas do people breathe out
the gas people breathe in...

38. An organism that breaks down plant and animal material
decomposer
Step 2 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
host

39. Consumers take in the oxygen that the producers make
where the world's oxygen supply comes from
decomposer
difference between producers and consumers
Step 2 of the carbon dioxide and oxygen cycle

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

41. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
where the world's oxygen supply comes from
if the part of the food chain is missing...then what happens?
difference between producers and consumers

42. Producers take in carbon dioxide from the consumer
what gas do people breathe out
the ONE thing all food that we eat comes from
Step 4 of the carbon dioxide and oxygen cycle
the gas people breathe in...

43. We need them because they break down dead plants and animals
5 things all living things need to survive
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
purpose of decomposers

44. All the living and non living things in an environment
purpose of decomposers
habitat
ecosystem
food chain

45. An organism that eats the producer and other consumers
where is one organism harmed and one helped?
Step 3 of the carbon dioxide and oxygen cycle
consumer
purpose of decomposers

46. The place where a plant or animal naturally lives or grows
Step 4 of the carbon dioxide and oxygen cycle
purpose of decomposers
population
habitat

47. Consumers give off carbon dioxide
habitat
ecosystem
Step 3 of the carbon dioxide and oxygen cycle
habitat

48. Carbon dioxide
community
food web
decomposer
what gas do people breathe out

49. Producers give off oxygen as the make their own food
where the world's oxygen supply comes from
Step 1 of the carbon dioxide and oxygen cycle
habitat
producer

50. Air - water - sun - shelter - food
Step 1 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
what gas do people breathe out
Step 4 of the carbon dioxide and oxygen cycle