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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. An organism that makes it's own food
difference between producers and consumers
producer
list 6 ecosystems
carbon dioxide and oxygen cycle

2. Air - water - sun - shelter - food
consumer
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
food chain

3. They all die
the gas people breathe in...
if the part of the food chain is missing...then what happens?
Step 3 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle

4. All the living things in an ecosystem
food chain
parasite
host
community

5. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
the gas people breathe in...
consumer
difference between producers and consumers

6. Producers take in carbon dioxide from the consumer
4 types of producers
if the part of the food chain is missing...then what happens?
Step 4 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

7. Plants
community
if the part of the food chain is missing...then what happens?
the ONE thing all food that we eat comes from
Step 3 of the carbon dioxide and oxygen cycle

8. Oxygen
ecosystem
4 types of consumers
consumer
the gas people breathe in...

9. Plant - grass - flower - trees
what gas do people breathe out
4 types of consumers
Step 4 of the carbon dioxide and oxygen cycle
4 types of producers

10. All the living things in an ecosystem
community
carbon dioxide and oxygen cycle
energy pyramid
parasite

11. Producers - plant eaters - meat eaters
producer
difference between producers and consumers
3 groups that make up the energy pyramid
host

12. We need them because they break down dead plants and animals
the ONE thing all food that we eat comes from
Step 2 of the carbon dioxide and oxygen cycle
purpose of decomposers
where is one organism harmed and one helped?

13. Producers take in carbon dioxide from the consumer
list 6 ecosystems
5 things all living things need to survive
what organisms help each other
Step 4 of the carbon dioxide and oxygen cycle

14. Carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
what gas do people breathe out
host
difference between producers and consumers

15. Several food chains that are connected
Step 2 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
food web
difference between producers and consumers

16. A diagram that shows how energy in an ecosystem is used
decomposer
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
energy pyramid

17. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
4 types of consumers
consumer
Step 2 of the carbon dioxide and oxygen cycle

18. Forest....plants and algae

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19. A squirrel and a nut
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid
what organisms help each other
host

20. An organism that eats the producer and other consumers
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

21. An organism that eats the producer and other consumers
5 things all living things need to survive
if the part of the food chain is missing...then what happens?
consumer
food chain

22. Producers - plant eaters - meat eaters
producer
3 groups that make up the energy pyramid
community
parasite

23. Plants
producer
Step 4 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
energy pyramid

24. Air - water - sun - shelter - food
where is one organism harmed and one helped?
5 things all living things need to survive
4 types of producers
4 types of consumers

25. A squirrel and a nut
carbon dioxide and oxygen cycle
what organisms help each other
parasite
4 types of producers

26. Consumers give off carbon dioxide
population
Step 3 of the carbon dioxide and oxygen cycle
ecosystem
where the world's oxygen supply comes from

27. A tapeworm and a human
where the world's oxygen supply comes from
4 types of producers
3 groups that make up the energy pyramid
where is one organism harmed and one helped?

28. They all die
if the part of the food chain is missing...then what happens?
community
ecosystem
community

29. All the living and non living things in an environment
food web
Step 2 of the carbon dioxide and oxygen cycle
food chain
ecosystem

30. Forest....plants and algae

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31. An organism that lives in or on another organism
where is one organism harmed and one helped?
parasite
4 types of consumers
what gas do people breathe out

32. All the members of a certain type of a living thing in an area
4 types of consumers
population
habitat
5 things all living things need to survive

33. We need them because they break down dead plants and animals
producer
purpose of decomposers
habitat
what gas do people breathe out

34. Oxygen
Step 2 of the carbon dioxide and oxygen cycle
the gas people breathe in...
what gas do people breathe out
Step 2 of the carbon dioxide and oxygen cycle

35. An organism that breaks down plant and animal material
list 6 ecosystems
habitat
decomposer
consumer

36. The organism a parasite lives on or in
population
producer
host
difference between producers and consumers

37. The exchange of gasses between producers and consumers
4 types of producers
carbon dioxide and oxygen cycle
4 types of consumers
what gas do people breathe out

38. Tundra - dessert - rain forest - ocean - pond - lake
food web
list 6 ecosystems
where is one organism harmed and one helped?
what organisms help each other

39. The place where a plant or animal naturally lives or grows
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out
4 types of producers
habitat

40. A diagram that shows how energy in an ecosystem is used
energy pyramid
3 groups that make up the energy pyramid
community
food chain

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

42. The exchange of gasses between producers and consumers
purpose of decomposers
list 6 ecosystems
the gas people breathe in...
carbon dioxide and oxygen cycle

43. Plant - grass - flower - trees
producer
where is one organism harmed and one helped?
4 types of producers
ecosystem

44. An organism that makes it's own food
what gas do people breathe out
Step 2 of the carbon dioxide and oxygen cycle
producer
carbon dioxide and oxygen cycle

45. Consumers take in the oxygen that the producers make
the gas people breathe in...
4 types of producers
3 groups that make up the energy pyramid
Step 2 of the carbon dioxide and oxygen cycle

46. Consumers eat producers and other consumers. Producers make their own food
the ONE thing all food that we eat comes from
difference between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle
list 6 ecosystems

47. An organism that lives in or on another organism
food web
purpose of decomposers
parasite
host

48. An organism that breaks down plant and animal material
decomposer
ecosystem
5 things all living things need to survive
carbon dioxide and oxygen cycle

49. Producers give off oxygen as the make their own food
list 6 ecosystems
Step 1 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
where the world's oxygen supply comes from

50. Carbon dioxide
3 groups that make up the energy pyramid
Step 3 of the carbon dioxide and oxygen cycle
what gas do people breathe out
host