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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
what organisms help each other
4 types of producers
difference between producers and consumers
carbon dioxide and oxygen cycle

2. All the living things in an ecosystem
community
4 types of consumers
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out

3. All the living and non living things in an environment
purpose of decomposers
4 types of producers
ecosystem
habitat

4. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
food web
4 types of consumers

5. Several food chains that are connected
what gas do people breathe out
food web
Step 4 of the carbon dioxide and oxygen cycle
the gas people breathe in...

6. Producers take in carbon dioxide from the consumer
producer
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle

7. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
decomposer
where the world's oxygen supply comes from
what gas do people breathe out

8. A squirrel and a nut
what organisms help each other
decomposer
Step 3 of the carbon dioxide and oxygen cycle
host

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

10. An organism that lives in or on another organism
parasite
Step 3 of the carbon dioxide and oxygen cycle
host
food web

11. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
the ONE thing all food that we eat comes from
parasite
food chain

12. A series of organisims that depend on another for food
producer
community
4 types of consumers
food chain

13. A diagram that shows how energy in an ecosystem is used
if the part of the food chain is missing...then what happens?
5 things all living things need to survive
energy pyramid
Step 4 of the carbon dioxide and oxygen cycle

14. Tiger - bear - fox - wolf
habitat
the ONE thing all food that we eat comes from
what gas do people breathe out
4 types of consumers

15. An organism that lives in or on another organism
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
parasite
what organisms help each other

16. Oxygen
what organisms help each other
the gas people breathe in...
what organisms help each other
host

17. All the living things in an ecosystem
4 types of producers
community
carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

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

19. Forest....plants and algae

20. Plants
food web
the ONE thing all food that we eat comes from
5 things all living things need to survive
Step 1 of the carbon dioxide and oxygen cycle

21. Carbon dioxide
4 types of producers
the gas people breathe in...
what gas do people breathe out
what organisms help each other

22. Tiger - bear - fox - wolf
population
the gas people breathe in...
community
4 types of consumers

23. The organism a parasite lives on or in
habitat
4 types of consumers
host
where the world's oxygen supply comes from

24. Producers give off oxygen as the make their own food
5 things all living things need to survive
Step 1 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
host

25. A squirrel and a nut
what organisms help each other
Step 2 of the carbon dioxide and oxygen cycle
habitat
carbon dioxide and oxygen cycle

26. They all die
if the part of the food chain is missing...then what happens?
what gas do people breathe out
community
habitat

27. Producers - plant eaters - meat eaters
3 groups that make up the energy pyramid
5 things all living things need to survive
energy pyramid
food chain

28. Consumers take in the oxygen that the producers make
4 types of consumers
community
5 things all living things need to survive
Step 2 of the carbon dioxide and oxygen cycle

29. Plant - grass - flower - trees
4 types of producers
the gas people breathe in...
habitat
parasite

30. A tapeworm and a human
Step 4 of the carbon dioxide and oxygen cycle
parasite
where is one organism harmed and one helped?
purpose of decomposers

31. Carbon dioxide
decomposer
Step 4 of the carbon dioxide and oxygen cycle
ecosystem
what gas do people breathe out

32. The place where a plant or animal naturally lives or grows
5 things all living things need to survive
decomposer
habitat
food web

33. All the members of a certain type of a living thing in an area
parasite
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle
population

34. The exchange of gasses between producers and consumers
consumer
carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
community

35. An organism that eats the producer and other consumers
consumer
5 things all living things need to survive
where is one organism harmed and one helped?
parasite

36. The organism a parasite lives on or in
Step 1 of the carbon dioxide and oxygen cycle
host
4 types of producers
carbon dioxide and oxygen cycle

37. Producers give off oxygen as the make their own food
the gas people breathe in...
Step 1 of the carbon dioxide and oxygen cycle
host
parasite

38. They all die
if the part of the food chain is missing...then what happens?
list 6 ecosystems
5 things all living things need to survive
the ONE thing all food that we eat comes from

39. Oxygen
Step 4 of the carbon dioxide and oxygen cycle
the gas people breathe in...
what organisms help each other
where is one organism harmed and one helped?

40. Consumers eat producers and other consumers. Producers make their own food
what organisms help each other
Step 1 of the carbon dioxide and oxygen cycle
list 6 ecosystems
difference between producers and consumers

41. Consumers give off carbon dioxide
what organisms help each other
habitat
host
Step 3 of the carbon dioxide and oxygen cycle

42. A tapeworm and a human
where is one organism harmed and one helped?
consumer
community
the ONE thing all food that we eat comes from

43. A diagram that shows how energy in an ecosystem is used
energy pyramid
purpose of decomposers
host
Step 4 of the carbon dioxide and oxygen cycle

44. An organism that breaks down plant and animal material
what organisms help each other
food web
decomposer
3 groups that make up the energy pyramid

45. All the members of a certain type of a living thing in an area
population
difference between producers and consumers
decomposer
Step 1 of the carbon dioxide and oxygen cycle

46. Plants
consumer
host
parasite
the ONE thing all food that we eat comes from

47. An organism that eats the producer and other consumers
decomposer
habitat
if the part of the food chain is missing...then what happens?
consumer

48. We need them because they break down dead plants and animals
what gas do people breathe out
difference between producers and consumers
if the part of the food chain is missing...then what happens?
purpose of decomposers

49. Several food chains that are connected
4 types of producers
food web
5 things all living things need to survive
3 groups that make up the energy pyramid

50. An organism that makes it's own food
list 6 ecosystems
the ONE thing all food that we eat comes from
the gas people breathe in...
producer