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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. The exchange of gasses between producers and consumers
where is one organism harmed and one helped?
3 groups that make up the energy pyramid
consumer
carbon dioxide and oxygen cycle

2. Consumers take in the oxygen that the producers make
food web
4 types of producers
decomposer
Step 2 of the carbon dioxide and oxygen cycle

3. The organism a parasite lives on or in
parasite
community
parasite
host

4. Plants
producer
Step 4 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from

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

6. The organism a parasite lives on or in
host
4 types of consumers
5 things all living things need to survive
carbon dioxide and oxygen cycle

7. An organism that lives in or on another organism
4 types of consumers
4 types of producers
where the world's oxygen supply comes from
parasite

8. Oxygen
the gas people breathe in...
the ONE thing all food that we eat comes from
Step 2 of the carbon dioxide and oxygen cycle
what organisms help each other

9. Producers - plant eaters - meat eaters
population
Step 1 of the carbon dioxide and oxygen cycle
producer
3 groups that make up the energy pyramid

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

11. Consumers eat producers and other consumers. Producers make their own food
decomposer
producer
the ONE thing all food that we eat comes from
difference between producers and consumers

12. Oxygen
population
habitat
where is one organism harmed and one helped?
the gas people breathe in...

13. A series of organisims that depend on another for food
food chain
habitat
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle

14. Tundra - dessert - rain forest - ocean - pond - lake
parasite
food chain
4 types of consumers
list 6 ecosystems

15. Tiger - bear - fox - wolf
food chain
what gas do people breathe out
4 types of consumers
decomposer

16. All the living things in an ecosystem
food chain
community
purpose of decomposers
food web

17. We need them because they break down dead plants and animals
the gas people breathe in...
4 types of consumers
host
purpose of decomposers

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

19. A series of organisims that depend on another for food
purpose of decomposers
food chain
what gas do people breathe out
where the world's oxygen supply comes from

20. All the living and non living things in an environment
ecosystem
where is one organism harmed and one helped?
host
Step 3 of the carbon dioxide and oxygen cycle

21. A tapeworm and a human
4 types of consumers
purpose of decomposers
where the world's oxygen supply comes from
where is one organism harmed and one helped?

22. We need them because they break down dead plants and animals
decomposer
food chain
purpose of decomposers
ecosystem

23. Tiger - bear - fox - wolf
population
if the part of the food chain is missing...then what happens?
habitat
4 types of consumers

24. Consumers eat producers and other consumers. Producers make their own food
decomposer
the gas people breathe in...
difference between producers and consumers
4 types of consumers

25. Consumers give off carbon dioxide
community
food chain
Step 3 of the carbon dioxide and oxygen cycle
4 types of consumers

26. Producers give off oxygen as the make their own food
Step 1 of the carbon dioxide and oxygen cycle
4 types of producers
producer
decomposer

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

28. An organism that eats the producer and other consumers
what gas do people breathe out
consumer
decomposer
population

29. A squirrel and a nut
what organisms help each other
ecosystem
4 types of producers
Step 2 of the carbon dioxide and oxygen cycle

30. A diagram that shows how energy in an ecosystem is used
Step 3 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
energy pyramid
where is one organism harmed and one helped?

31. All the members of a certain type of a living thing in an area
Step 4 of the carbon dioxide and oxygen cycle
energy pyramid
community
population

32. An organism that lives in or on another organism
the gas people breathe in...
food web
parasite
producer

33. Producers - plant eaters - meat eaters
where is one organism harmed and one helped?
3 groups that make up the energy pyramid
list 6 ecosystems
food chain

34. All the living things in an ecosystem
ecosystem
list 6 ecosystems
ecosystem
community

35. Plants
Step 2 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
purpose of decomposers
the ONE thing all food that we eat comes from

36. Producers give off oxygen as the make their own food
3 groups that make up the energy pyramid
decomposer
host
Step 1 of the carbon dioxide and oxygen cycle

37. Carbon dioxide
Step 4 of the carbon dioxide and oxygen cycle
difference between producers and consumers
host
what gas do people breathe out

38. All the living and non living things in an environment
Step 2 of the carbon dioxide and oxygen cycle
population
parasite
ecosystem

39. An organism that breaks down plant and animal material
decomposer
the gas people breathe in...
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle

40. The place where a plant or animal naturally lives or grows
habitat
Step 4 of the carbon dioxide and oxygen cycle
food web
ecosystem

41. Several food chains that are connected
Step 1 of the carbon dioxide and oxygen cycle
list 6 ecosystems
what organisms help each other
food web

42. Air - water - sun - shelter - food
decomposer
5 things all living things need to survive
parasite
population

43. Several food chains that are connected
what gas do people breathe out
parasite
food web
food chain

44. Forest....plants and algae

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45. They all die
Step 1 of the carbon dioxide and oxygen cycle
list 6 ecosystems
parasite
if the part of the food chain is missing...then what happens?

46. Consumers give off carbon dioxide
decomposer
community
purpose of decomposers
Step 3 of the carbon dioxide and oxygen cycle

47. They all die
5 things all living things need to survive
population
if the part of the food chain is missing...then what happens?
energy pyramid

48. An organism that makes it's own food
4 types of consumers
purpose of decomposers
where the world's oxygen supply comes from
producer

49. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
what gas do people breathe out
the ONE thing all food that we eat comes from
food chain

50. Producers take in carbon dioxide from the consumer
Step 3 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from