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. Forest....plants and algae

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2. The exchange of gasses between producers and consumers
community
carbon dioxide and oxygen cycle
what gas do people breathe out
list 6 ecosystems

3. Producers - plant eaters - meat eaters
what organisms help each other
decomposer
4 types of consumers
3 groups that make up the energy pyramid

4. They all die
5 things all living things need to survive
if the part of the food chain is missing...then what happens?
where is one organism harmed and one helped?
ecosystem

5. Consumers give off carbon dioxide
producer
list 6 ecosystems
community
Step 3 of the carbon dioxide and oxygen cycle

6. An organism that lives in or on another organism
food chain
what gas do people breathe out
4 types of consumers
parasite

7. All the living and non living things in an environment
if the part of the food chain is missing...then what happens?
ecosystem
host
energy pyramid

8. Plants
5 things all living things need to survive
population
4 types of consumers
the ONE thing all food that we eat comes from

9. A squirrel and a nut
Step 1 of the carbon dioxide and oxygen cycle
what organisms help each other
carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

10. Several food chains that are connected
food web
habitat
purpose of decomposers
difference between producers and consumers

11. An organism that eats the producer and other consumers
consumer
what gas do people breathe out
Step 3 of the carbon dioxide and oxygen cycle
purpose of decomposers

12. A squirrel and a nut
decomposer
parasite
what organisms help each other
producer

13. An organism that breaks down plant and animal material
decomposer
Step 3 of the carbon dioxide and oxygen cycle
habitat
the gas people breathe in...

14. Tiger - bear - fox - wolf
producer
4 types of consumers
purpose of decomposers
population

15. A tapeworm and a human
list 6 ecosystems
where is one organism harmed and one helped?
3 groups that make up the energy pyramid
decomposer

16. Producers - plant eaters - meat eaters
decomposer
Step 1 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
4 types of producers

17. Producers take in carbon dioxide from the consumer
the gas people breathe in...
Step 2 of the carbon dioxide and oxygen cycle
energy pyramid
Step 4 of the carbon dioxide and oxygen cycle

18. A diagram that shows how energy in an ecosystem is used
4 types of consumers
energy pyramid
consumer
5 things all living things need to survive

19. All the members of a certain type of a living thing in an area
population
the ONE thing all food that we eat comes from
4 types of consumers
where the world's oxygen supply comes from

20. All the living things in an ecosystem
Step 2 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
community
food web

21. Producers give off oxygen as the make their own food
carbon dioxide and oxygen cycle
consumer
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out

22. Producers take in carbon dioxide from the consumer
ecosystem
Step 4 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
where the world's oxygen supply comes from

23. Consumers eat producers and other consumers. Producers make their own food
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out
producer
difference between producers and consumers

24. Carbon dioxide
what gas do people breathe out
4 types of consumers
5 things all living things need to survive
where the world's oxygen supply comes from

25. The place where a plant or animal naturally lives or grows
carbon dioxide and oxygen cycle
producer
habitat
food web

26. We need them because they break down dead plants and animals
list 6 ecosystems
what gas do people breathe out
purpose of decomposers
3 groups that make up the energy pyramid

27. All the living and non living things in an environment
where the world's oxygen supply comes from
the gas people breathe in...
food chain
ecosystem

28. Air - water - sun - shelter - food
4 types of producers
5 things all living things need to survive
population
Step 1 of the carbon dioxide and oxygen cycle

29. An organism that makes it's own food
list 6 ecosystems
what gas do people breathe out
host
producer

30. A tapeworm and a human
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
purpose of decomposers

31. Consumers take in the oxygen that the producers make
3 groups that make up the energy pyramid
Step 2 of the carbon dioxide and oxygen cycle
food chain
population

32. An organism that breaks down plant and animal material
Step 4 of the carbon dioxide and oxygen cycle
consumer
decomposer
food web

33. Several food chains that are connected
Step 2 of the carbon dioxide and oxygen cycle
food web
carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle

34. An organism that eats the producer and other consumers
what gas do people breathe out
the ONE thing all food that we eat comes from
consumer
where is one organism harmed and one helped?

35. We need them because they break down dead plants and animals
parasite
the gas people breathe in...
purpose of decomposers
5 things all living things need to survive

36. Plants
producer
where is one organism harmed and one helped?
community
the ONE thing all food that we eat comes from

37. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
Step 3 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
what organisms help each other

38. An organism that lives in or on another organism
Step 2 of the carbon dioxide and oxygen cycle
where the world's oxygen supply comes from
parasite
carbon dioxide and oxygen cycle

39. A series of organisims that depend on another for food
consumer
food chain
habitat
decomposer

40. The exchange of gasses between producers and consumers
decomposer
food web
where is one organism harmed and one helped?
carbon dioxide and oxygen cycle

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

42. Plant - grass - flower - trees
community
the gas people breathe in...
4 types of consumers
4 types of producers

43. A series of organisims that depend on another for food
producer
food chain
3 groups that make up the energy pyramid
Step 1 of the carbon dioxide and oxygen cycle

44. The place where a plant or animal naturally lives or grows
habitat
the gas people breathe in...
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle

45. Oxygen
the gas people breathe in...
consumer
where the world's oxygen supply comes from
food chain

46. Consumers eat producers and other consumers. Producers make their own food
host
producer
food chain
difference between producers and consumers

47. They all die
producer
energy pyramid
community
if the part of the food chain is missing...then what happens?

48. Tundra - dessert - rain forest - ocean - pond - lake
population
community
list 6 ecosystems
parasite

49. Tiger - bear - fox - wolf
if the part of the food chain is missing...then what happens?
the gas people breathe in...
4 types of consumers
producer

50. Producers give off oxygen as the make their own food
ecosystem
Step 1 of the carbon dioxide and oxygen cycle
ecosystem
host