Test your basic knowledge |

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 take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
the gas people breathe in...
energy pyramid

2. An organism that makes it's own food
population
Step 1 of the carbon dioxide and oxygen cycle
producer
consumer

3. A series of organisims that depend on another for food
Step 4 of the carbon dioxide and oxygen cycle
food chain
parasite
list 6 ecosystems

4. A diagram that shows how energy in an ecosystem is used
what gas do people breathe out
Step 2 of the carbon dioxide and oxygen cycle
energy pyramid
host

5. A tapeworm and a human
Step 1 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
the gas people breathe in...
4 types of producers

6. Consumers take in the oxygen that the producers make
consumer
3 groups that make up the energy pyramid
5 things all living things need to survive
Step 2 of the carbon dioxide and oxygen cycle

7. Consumers eat producers and other consumers. Producers make their own food
difference between producers and consumers
if the part of the food chain is missing...then what happens?
5 things all living things need to survive
the gas people breathe in...

8. A tapeworm and a human
community
where is one organism harmed and one helped?
food chain
consumer

9. Forest....plants and algae

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10. Tundra - dessert - rain forest - ocean - pond - lake
community
list 6 ecosystems
what organisms help each other
Step 3 of the carbon dioxide and oxygen cycle

11. Air - water - sun - shelter - food
5 things all living things need to survive
difference between producers and consumers
4 types of producers
what organisms help each other

12. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
purpose of decomposers
purpose of decomposers
what organisms help each other

13. Producers give off oxygen as the make their own food
producer
decomposer
Step 1 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

14. Plants
5 things all living things need to survive
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
Step 3 of the carbon dioxide and oxygen cycle

15. Oxygen
the gas people breathe in...
3 groups that make up the energy pyramid
list 6 ecosystems
decomposer

16. The exchange of gasses between producers and consumers
host
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle
where the world's oxygen supply comes from

17. We need them because they break down dead plants and animals
if the part of the food chain is missing...then what happens?
purpose of decomposers
Step 2 of the carbon dioxide and oxygen cycle
population

18. Producers give off oxygen as the make their own food
what gas do people breathe out
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
food chain

19. A squirrel and a nut
carbon dioxide and oxygen cycle
producer
5 things all living things need to survive
what organisms help each other

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

21. An organism that eats the producer and other consumers
energy pyramid
4 types of producers
consumer
community

22. The place where a plant or animal naturally lives or grows
habitat
3 groups that make up the energy pyramid
4 types of consumers
population

23. Producers - plant eaters - meat eaters
what gas do people breathe out
3 groups that make up the energy pyramid
4 types of consumers
where the world's oxygen supply comes from

24. A diagram that shows how energy in an ecosystem is used
where is one organism harmed and one helped?
food web
carbon dioxide and oxygen cycle
energy pyramid

25. An organism that lives in or on another organism
parasite
producer
3 groups that make up the energy pyramid
what organisms help each other

26. A series of organisims that depend on another for food
carbon dioxide and oxygen cycle
consumer
food chain
parasite

27. Plants
ecosystem
4 types of consumers
the gas people breathe in...
the ONE thing all food that we eat comes from

28. Consumers eat producers and other consumers. Producers make their own food
energy pyramid
ecosystem
if the part of the food chain is missing...then what happens?
difference between producers and consumers

29. Producers take in carbon dioxide from the consumer
purpose of decomposers
Step 4 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
what gas do people breathe out

30. Tundra - dessert - rain forest - ocean - pond - lake
host
list 6 ecosystems
where is one organism harmed and one helped?
community

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

32. An organism that eats the producer and other consumers
consumer
4 types of consumers
where is one organism harmed and one helped?
ecosystem

33. The place where a plant or animal naturally lives or grows
5 things all living things need to survive
producer
population
habitat

34. Plant - grass - flower - trees
if the part of the food chain is missing...then what happens?
if the part of the food chain is missing...then what happens?
4 types of producers
Step 2 of the carbon dioxide and oxygen cycle

35. All the living things in an ecosystem
food chain
Step 2 of the carbon dioxide and oxygen cycle
difference between producers and consumers
community

36. Air - water - sun - shelter - food
5 things all living things need to survive
energy pyramid
what organisms help each other
if the part of the food chain is missing...then what happens?

37. The organism a parasite lives on or in
producer
host
energy pyramid
list 6 ecosystems

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

39. Several food chains that are connected
carbon dioxide and oxygen cycle
food web
4 types of producers
host

40. Consumers give off carbon dioxide
population
habitat
producer
Step 3 of the carbon dioxide and oxygen cycle

41. Carbon dioxide
what gas do people breathe out
the gas people breathe in...
parasite
3 groups that make up the energy pyramid

42. We need them because they break down dead plants and animals
purpose of decomposers
difference between producers and consumers
community
decomposer

43. All the members of a certain type of a living thing in an area
Step 3 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
population
Step 1 of the carbon dioxide and oxygen cycle

44. All the living and non living things in an environment
4 types of consumers
community
the gas people breathe in...
ecosystem

45. An organism that breaks down plant and animal material
parasite
parasite
decomposer
energy pyramid

46. Several food chains that are connected
difference between producers and consumers
energy pyramid
community
food web

47. Oxygen
what gas do people breathe out
difference between producers and consumers
carbon dioxide and oxygen cycle
the gas people breathe in...

48. They all die
consumer
Step 1 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
the ONE thing all food that we eat comes from

49. Tiger - bear - fox - wolf
the gas people breathe in...
Step 4 of the carbon dioxide and oxygen cycle
4 types of consumers
where is one organism harmed and one helped?

50. An organism that breaks down plant and animal material
ecosystem
decomposer
producer
energy pyramid