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 3 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
producer
Step 2 of the carbon dioxide and oxygen cycle

2. Producers - plant eaters - meat eaters
decomposer
3 groups that make up the energy pyramid
population
consumer

3. We need them because they break down dead plants and animals
purpose of decomposers
what organisms help each other
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive

4. Forest....plants and algae

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5. They all die
Step 1 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
what organisms help each other
parasite

6. All the living and non living things in an environment
3 groups that make up the energy pyramid
Step 2 of the carbon dioxide and oxygen cycle
ecosystem
energy pyramid

7. Producers take in carbon dioxide from the consumer
what organisms help each other
population
Step 4 of the carbon dioxide and oxygen cycle
decomposer

8. Plant - grass - flower - trees
3 groups that make up the energy pyramid
energy pyramid
4 types of producers
what organisms help each other

9. Tiger - bear - fox - wolf
4 types of consumers
Step 4 of the carbon dioxide and oxygen cycle
consumer
decomposer

10. All the living and non living things in an environment
Step 4 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
producer
ecosystem

11. Carbon dioxide
what gas do people breathe out
habitat
community
energy pyramid

12. A series of organisims that depend on another for food
what gas do people breathe out
food chain
if the part of the food chain is missing...then what happens?
the ONE thing all food that we eat comes from

13. A tapeworm and a human
where is one organism harmed and one helped?
Step 3 of the carbon dioxide and oxygen cycle
the gas people breathe in...
Step 1 of the carbon dioxide and oxygen cycle

14. Carbon dioxide
Step 1 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
what gas do people breathe out

15. Air - water - sun - shelter - food
food chain
parasite
the ONE thing all food that we eat comes from
5 things all living things need to survive

16. A squirrel and a nut
producer
what organisms help each other
host
the ONE thing all food that we eat comes from

17. A squirrel and a nut
food chain
list 6 ecosystems
carbon dioxide and oxygen cycle
what organisms help each other

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

19. Forest....plants and algae

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

21. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
consumer
difference between producers and consumers

22. An organism that makes it's own food
producer
consumer
4 types of producers
population

23. All the members of a certain type of a living thing in an area
energy pyramid
community
host
population

24. Tundra - dessert - rain forest - ocean - pond - lake
what organisms help each other
what gas do people breathe out
the gas people breathe in...
list 6 ecosystems

25. Air - water - sun - shelter - food
food chain
food web
5 things all living things need to survive
carbon dioxide and oxygen cycle

26. Producers give off oxygen as the make their own food
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle
community
food web

27. All the living things in an ecosystem
community
energy pyramid
energy pyramid
4 types of consumers

28. Oxygen
the ONE thing all food that we eat comes from
host
Step 1 of the carbon dioxide and oxygen cycle
the gas people breathe in...

29. The organism a parasite lives on or in
host
where the world's oxygen supply comes from
carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?

30. An organism that eats the producer and other consumers
habitat
consumer
where is one organism harmed and one helped?
where the world's oxygen supply comes from

31. An organism that breaks down plant and animal material
the gas people breathe in...
the ONE thing all food that we eat comes from
decomposer
ecosystem

32. An organism that eats the producer and other consumers
food web
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
consumer

33. We need them because they break down dead plants and animals
decomposer
where is one organism harmed and one helped?
host
purpose of decomposers

34. Consumers give off carbon dioxide
producer
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
carbon dioxide and oxygen cycle

35. A diagram that shows how energy in an ecosystem is used
host
if the part of the food chain is missing...then what happens?
energy pyramid
list 6 ecosystems

36. An organism that lives in or on another organism
population
parasite
carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle

37. Plant - grass - flower - trees
decomposer
4 types of producers
habitat
what gas do people breathe out

38. They all die
food chain
if the part of the food chain is missing...then what happens?
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out

39. An organism that breaks down plant and animal material
list 6 ecosystems
5 things all living things need to survive
consumer
decomposer

40. A tapeworm and a human
list 6 ecosystems
Step 2 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
what gas do people breathe out

41. 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
difference between producers and consumers
ecosystem

42. Several food chains that are connected
purpose of decomposers
4 types of producers
decomposer
food web

43. The place where a plant or animal naturally lives or grows
food web
4 types of consumers
habitat
what gas do people breathe out

44. Several food chains that are connected
Step 1 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
parasite
food web

45. Producers - plant eaters - meat eaters
3 groups that make up the energy pyramid
decomposer
the gas people breathe in...
decomposer

46. The place where a plant or animal naturally lives or grows
list 6 ecosystems
habitat
host
what gas do people breathe out

47. An organism that makes it's own food
list 6 ecosystems
4 types of consumers
host
producer

48. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
carbon dioxide and oxygen cycle
the gas people breathe in...
difference between producers and consumers

49. Consumers take in the oxygen that the producers make
population
Step 2 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
consumer

50. Consumers eat producers and other consumers. Producers make their own food
difference between producers and consumers
where is one organism harmed and one helped?
what gas do people breathe out
parasite