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. A tapeworm and a human
where is one organism harmed and one helped?
producer
3 groups that make up the energy pyramid
community

2. Air - water - sun - shelter - food
consumer
5 things all living things need to survive
host
if the part of the food chain is missing...then what happens?

3. Carbon dioxide
where is one organism harmed and one helped?
Step 4 of the carbon dioxide and oxygen cycle
difference between producers and consumers
what gas do people breathe out

4. They all die
if the part of the food chain is missing...then what happens?
energy pyramid
host
list 6 ecosystems

5. Producers - plant eaters - meat eaters
what organisms help each other
community
3 groups that make up the energy pyramid
producer

6. Consumers eat producers and other consumers. Producers make their own food
food web
difference between producers and consumers
consumer
the ONE thing all food that we eat comes from

7. An organism that eats the producer and other consumers
consumer
energy pyramid
4 types of producers
where is one organism harmed and one helped?

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

9. Forest....plants and algae

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10. Consumers eat producers and other consumers. Producers make their own food
where the world's oxygen supply comes from
difference between producers and consumers
list 6 ecosystems
parasite

11. A diagram that shows how energy in an ecosystem is used
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid
the ONE thing all food that we eat comes from
population

12. An organism that breaks down plant and animal material
consumer
where is one organism harmed and one helped?
decomposer
4 types of consumers

13. We need them because they break down dead plants and animals
list 6 ecosystems
the ONE thing all food that we eat comes from
host
purpose of decomposers

14. An organism that makes it's own food
energy pyramid
producer
habitat
decomposer

15. The organism a parasite lives on or in
food chain
food chain
4 types of producers
host

16. Tundra - dessert - rain forest - ocean - pond - lake
the ONE thing all food that we eat comes from
difference between producers and consumers
list 6 ecosystems
Step 1 of the carbon dioxide and oxygen cycle

17. Tundra - dessert - rain forest - ocean - pond - lake
parasite
energy pyramid
3 groups that make up the energy pyramid
list 6 ecosystems

18. All the living things in an ecosystem
community
difference between producers and consumers
ecosystem
the ONE thing all food that we eat comes from

19. Consumers take in the oxygen that the producers make
4 types of consumers
purpose of decomposers
host
Step 2 of the carbon dioxide and oxygen cycle

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

21. Plant - grass - flower - trees
where is one organism harmed and one helped?
Step 4 of the carbon dioxide and oxygen cycle
list 6 ecosystems
4 types of producers

22. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
community
5 things all living things need to survive
what gas do people breathe out

23. Forest....plants and algae

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24. A series of organisims that depend on another for food
if the part of the food chain is missing...then what happens?
population
what organisms help each other
food chain

25. A squirrel and a nut
food chain
where the world's oxygen supply comes from
what organisms help each other
decomposer

26. All the members of a certain type of a living thing in an area
food chain
population
producer
what organisms help each other

27. Producers take in carbon dioxide from the consumer
host
purpose of decomposers
Step 4 of the carbon dioxide and oxygen cycle
list 6 ecosystems

28. We need them because they break down dead plants and animals
parasite
the ONE thing all food that we eat comes from
3 groups that make up the energy pyramid
purpose of decomposers

29. All the living and non living things in an environment
food chain
difference between producers and consumers
energy pyramid
ecosystem

30. Oxygen
habitat
carbon dioxide and oxygen cycle
the gas people breathe in...
4 types of consumers

31. Several food chains that are connected
habitat
food web
host
community

32. Plants
community
producer
4 types of producers
the ONE thing all food that we eat comes from

33. An organism that lives in or on another organism
parasite
4 types of producers
ecosystem
list 6 ecosystems

34. Producers take in carbon dioxide from the consumer
consumer
4 types of consumers
Step 4 of the carbon dioxide and oxygen cycle
difference between producers and consumers

35. The place where a plant or animal naturally lives or grows
habitat
where the world's oxygen supply comes from
population
where the world's oxygen supply comes from

36. Tiger - bear - fox - wolf
4 types of consumers
purpose of decomposers
if the part of the food chain is missing...then what happens?
what gas do people breathe out

37. Producers - plant eaters - meat eaters
4 types of consumers
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid
host

38. The exchange of gasses between producers and consumers
energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
population

39. All the living things in an ecosystem
where the world's oxygen supply comes from
energy pyramid
community
producer

40. Producers give off oxygen as the make their own food
population
the ONE thing all food that we eat comes from
what organisms help each other
Step 1 of the carbon dioxide and oxygen cycle

41. Plants
host
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

42. All the living and non living things in an environment
the ONE thing all food that we eat comes from
Step 3 of the carbon dioxide and oxygen cycle
consumer
ecosystem

43. Several food chains that are connected
ecosystem
habitat
food web
list 6 ecosystems

44. Plant - grass - flower - trees
ecosystem
ecosystem
4 types of producers
4 types of consumers

45. Consumers take in the oxygen that the producers make
decomposer
decomposer
Step 2 of the carbon dioxide and oxygen cycle
what gas do people breathe out

46. An organism that makes it's own food
community
habitat
producer
Step 4 of the carbon dioxide and oxygen cycle

47. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
4 types of consumers
energy pyramid

48. Tiger - bear - fox - wolf
what organisms help each other
Step 3 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
4 types of consumers

49. Consumers give off carbon dioxide
producer
decomposer
Step 3 of the carbon dioxide and oxygen cycle
host

50. A squirrel and a nut
the gas people breathe in...
what organisms help each other
ecosystem
population