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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. Several food chains that are connected
food web
host
community
producer

2. The exchange of gasses between producers and consumers
list 6 ecosystems
population
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle

3. Plant - grass - flower - trees
3 groups that make up the energy pyramid
4 types of consumers
4 types of producers
5 things all living things need to survive

4. An organism that eats the producer and other consumers
where is one organism harmed and one helped?
what gas do people breathe out
consumer
population

5. The organism a parasite lives on or in
carbon dioxide and oxygen cycle
list 6 ecosystems
4 types of producers
host

6. Forest....plants and algae

7. An organism that eats the producer and other consumers
energy pyramid
purpose of decomposers
the ONE thing all food that we eat comes from
consumer

8. Consumers eat producers and other consumers. Producers make their own food
Step 1 of the carbon dioxide and oxygen cycle
food chain
list 6 ecosystems
difference between producers and consumers

9. All the members of a certain type of a living thing in an area
3 groups that make up the energy pyramid
host
Step 2 of the carbon dioxide and oxygen cycle
population

10. They all die
food chain
purpose of decomposers
community
if the part of the food chain is missing...then what happens?

11. Plants
consumer
the ONE thing all food that we eat comes from
difference between producers and consumers
parasite

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

13. Several food chains that are connected
if the part of the food chain is missing...then what happens?
food web
habitat
host

14. A squirrel and a nut
if the part of the food chain is missing...then what happens?
what organisms help each other
the gas people breathe in...
5 things all living things need to survive

15. They all die
if the part of the food chain is missing...then what happens?
food chain
difference between producers and consumers
ecosystem

16. Plants
the ONE thing all food that we eat comes from
decomposer
food web
the gas people breathe in...

17. We need them because they break down dead plants and animals
population
purpose of decomposers
5 things all living things need to survive
what organisms help each other

18. Air - water - sun - shelter - food
5 things all living things need to survive
parasite
purpose of decomposers
producer

19. All the members of a certain type of a living thing in an area
population
if the part of the food chain is missing...then what happens?
list 6 ecosystems
list 6 ecosystems

20. The organism a parasite lives on or in
Step 1 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
host
purpose of decomposers

21. All the living and non living things in an environment
Step 2 of the carbon dioxide and oxygen cycle
ecosystem
where is one organism harmed and one helped?
population

22. Consumers give off carbon dioxide
difference between producers and consumers
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
purpose of decomposers

23. A tapeworm and a human
5 things all living things need to survive
what gas do people breathe out
where is one organism harmed and one helped?
community

24. Plant - grass - flower - trees
4 types of producers
habitat
difference between producers and consumers
5 things all living things need to survive

25. Oxygen
food chain
5 things all living things need to survive
the gas people breathe in...
4 types of consumers

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

27. Carbon dioxide
energy pyramid
what organisms help each other
what gas do people breathe out
the gas people breathe in...

28. Air - water - sun - shelter - food
purpose of decomposers
food web
population
5 things all living things need to survive

29. Oxygen
difference between producers and consumers
Step 4 of the carbon dioxide and oxygen cycle
the gas people breathe in...
where the world's oxygen supply comes from

30. A series of organisims that depend on another for food
food chain
Step 1 of the carbon dioxide and oxygen cycle
purpose of decomposers
community

31. A diagram that shows how energy in an ecosystem is used
the gas people breathe in...
energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
4 types of producers

32. An organism that breaks down plant and animal material
Step 3 of the carbon dioxide and oxygen cycle
difference between producers and consumers
habitat
decomposer

33. An organism that lives in or on another organism
decomposer
habitat
difference between producers and consumers
parasite

34. An organism that lives in or on another organism
population
the ONE thing all food that we eat comes from
3 groups that make up the energy pyramid
parasite

35. Consumers take in the oxygen that the producers make
Step 3 of the carbon dioxide and oxygen cycle
what gas do people breathe out
carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

36. Tundra - dessert - rain forest - ocean - pond - lake
producer
Step 3 of the carbon dioxide and oxygen cycle
list 6 ecosystems
population

37. Consumers eat producers and other consumers. Producers make their own food
4 types of producers
difference between producers and consumers
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle

38. Consumers give off carbon dioxide
producer
Step 3 of the carbon dioxide and oxygen cycle
food web
parasite

39. Producers give off oxygen as the make their own food
producer
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

40. All the living things in an ecosystem
producer
what gas do people breathe out
Step 4 of the carbon dioxide and oxygen cycle
community

41. Consumers take in the oxygen that the producers make
the gas people breathe in...
5 things all living things need to survive
where is one organism harmed and one helped?
Step 2 of the carbon dioxide and oxygen cycle

42. Producers give off oxygen as the make their own food
habitat
decomposer
food chain
Step 1 of the carbon dioxide and oxygen cycle

43. An organism that makes it's own food
decomposer
community
list 6 ecosystems
producer

44. A tapeworm and a human
4 types of producers
where is one organism harmed and one helped?
the gas people breathe in...
if the part of the food chain is missing...then what happens?

45. Tundra - dessert - rain forest - ocean - pond - lake
3 groups that make up the energy pyramid
Step 2 of the carbon dioxide and oxygen cycle
list 6 ecosystems
what gas do people breathe out

46. The place where a plant or animal naturally lives or grows
habitat
parasite
Step 3 of the carbon dioxide and oxygen cycle
list 6 ecosystems

47. A diagram that shows how energy in an ecosystem is used
3 groups that make up the energy pyramid
energy pyramid
4 types of consumers
Step 4 of the carbon dioxide and oxygen cycle

48. A series of organisims that depend on another for food
where the world's oxygen supply comes from
Step 1 of the carbon dioxide and oxygen cycle
food chain
Step 4 of the carbon dioxide and oxygen cycle

49. Producers take in carbon dioxide from the consumer
where the world's oxygen supply comes from
food web
parasite
Step 4 of the carbon dioxide and oxygen cycle

50. All the living and non living things in an environment
community
ecosystem
list 6 ecosystems
Step 2 of the carbon dioxide and oxygen cycle