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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 give off carbon dioxide
5 things all living things need to survive
Step 3 of the carbon dioxide and oxygen cycle
parasite
4 types of producers

2. Tundra - dessert - rain forest - ocean - pond - lake
population
consumer
difference between producers and consumers
list 6 ecosystems

3. Consumers eat producers and other consumers. Producers make their own food
what gas do people breathe out
the ONE thing all food that we eat comes from
the gas people breathe in...
difference between producers and consumers

4. Consumers eat producers and other consumers. Producers make their own food
difference between producers and consumers
producer
community
what organisms help each other

5. They all die
Step 3 of the carbon dioxide and oxygen cycle
list 6 ecosystems
host
if the part of the food chain is missing...then what happens?

6. An organism that makes it's own food
food chain
decomposer
ecosystem
producer

7. Carbon dioxide
what organisms help each other
where the world's oxygen supply comes from
what gas do people breathe out
where is one organism harmed and one helped?

8. Several food chains that are connected
parasite
Step 2 of the carbon dioxide and oxygen cycle
food web
Step 2 of the carbon dioxide and oxygen cycle

9. An organism that breaks down plant and animal material
Step 2 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
carbon dioxide and oxygen cycle
decomposer

10. An organism that eats the producer and other consumers
Step 3 of the carbon dioxide and oxygen cycle
food chain
carbon dioxide and oxygen cycle
consumer

11. A tapeworm and a human
decomposer
where is one organism harmed and one helped?
food chain
3 groups that make up the energy pyramid

12. Tiger - bear - fox - wolf
ecosystem
the gas people breathe in...
4 types of consumers
habitat

13. A squirrel and a nut
difference between producers and consumers
parasite
what organisms help each other
purpose of decomposers

14. All the living things in an ecosystem
community
decomposer
4 types of producers
ecosystem

15. A tapeworm and a human
purpose of decomposers
population
where is one organism harmed and one helped?
4 types of consumers

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

17. Air - water - sun - shelter - food
5 things all living things need to survive
the gas people breathe in...
what organisms help each other
food web

18. An organism that breaks down plant and animal material
3 groups that make up the energy pyramid
decomposer
Step 1 of the carbon dioxide and oxygen cycle
what organisms help each other

19. Plants
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
4 types of producers
4 types of consumers

20. All the living and non living things in an environment
host
ecosystem
where is one organism harmed and one helped?
the ONE thing all food that we eat comes from

21. Consumers give off carbon dioxide
host
3 groups that make up the energy pyramid
list 6 ecosystems
Step 3 of the carbon dioxide and oxygen cycle

22. A diagram that shows how energy in an ecosystem is used
list 6 ecosystems
what gas do people breathe out
the ONE thing all food that we eat comes from
energy pyramid

23. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
habitat
community
4 types of consumers

24. Forest....plants and algae

25. A squirrel and a nut
where the world's oxygen supply comes from
decomposer
Step 1 of the carbon dioxide and oxygen cycle
what organisms help each other

26. An organism that lives in or on another organism
list 6 ecosystems
parasite
where is one organism harmed and one helped?
3 groups that make up the energy pyramid

27. A series of organisims that depend on another for food
food chain
where the world's oxygen supply comes from
consumer
what organisms help each other

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

29. The place where a plant or animal naturally lives or grows
food web
community
habitat
what gas do people breathe out

30. An organism that makes it's own food
3 groups that make up the energy pyramid
4 types of consumers
producer
Step 3 of the carbon dioxide and oxygen cycle

31. Plant - grass - flower - trees
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
parasite
if the part of the food chain is missing...then what happens?

32. The place where a plant or animal naturally lives or grows
carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
food chain
habitat

33. The organism a parasite lives on or in
ecosystem
3 groups that make up the energy pyramid
4 types of producers
host

34. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
Step 1 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

35. An organism that eats the producer and other consumers
Step 3 of the carbon dioxide and oxygen cycle
consumer
5 things all living things need to survive
Step 1 of the carbon dioxide and oxygen cycle

36. A series of organisims that depend on another for food
list 6 ecosystems
food chain
Step 3 of the carbon dioxide and oxygen cycle
food web

37. Forest....plants and algae

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

39. The exchange of gasses between producers and consumers
4 types of consumers
Step 2 of the carbon dioxide and oxygen cycle
food chain
carbon dioxide and oxygen cycle

40. An organism that lives in or on another organism
parasite
the gas people breathe in...
purpose of decomposers
community

41. All the living and non living things in an environment
ecosystem
parasite
difference between producers and consumers
the ONE thing all food that we eat comes from

42. Consumers take in the oxygen that the producers make
the ONE thing all food that we eat comes from
parasite
what organisms help each other
Step 2 of the carbon dioxide and oxygen cycle

43. All the living things in an ecosystem
community
Step 1 of the carbon dioxide and oxygen cycle
food web
food web

44. The exchange of gasses between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
4 types of producers
the ONE thing all food that we eat comes from

45. All the members of a certain type of a living thing in an area
the ONE thing all food that we eat comes from
population
food web
ecosystem

46. Consumers take in the oxygen that the producers make
host
ecosystem
Step 2 of the carbon dioxide and oxygen cycle
population

47. Plant - grass - flower - trees
Step 2 of the carbon dioxide and oxygen cycle
4 types of producers
what gas do people breathe out
decomposer

48. We need them because they break down dead plants and animals
purpose of decomposers
energy pyramid
community
where the world's oxygen supply comes from

49. Plants
ecosystem
the ONE thing all food that we eat comes from
where is one organism harmed and one helped?
5 things all living things need to survive

50. Producers - plant eaters - meat eaters
5 things all living things need to survive
community
Step 4 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid