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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. Oxygen
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle
the gas people breathe in...
energy pyramid

2. The organism a parasite lives on or in
difference between producers and consumers
4 types of consumers
energy pyramid
host

3. A series of organisims that depend on another for food
purpose of decomposers
decomposer
food chain
what gas do people breathe out

4. Air - water - sun - shelter - food
Step 3 of the carbon dioxide and oxygen cycle
energy pyramid
5 things all living things need to survive
food chain

5. An organism that eats the producer and other consumers
Step 1 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
consumer
4 types of consumers

6. All the living and non living things in an environment
the ONE thing all food that we eat comes from
3 groups that make up the energy pyramid
ecosystem
decomposer

7. An organism that makes it's own food
food chain
difference between producers and consumers
the gas people breathe in...
producer

8. A tapeworm and a human
decomposer
energy pyramid
if the part of the food chain is missing...then what happens?
where is one organism harmed and one helped?

9. Plants
what gas do people breathe out
producer
parasite
the ONE thing all food that we eat comes from

10. Consumers take in the oxygen that the producers make
4 types of producers
what organisms help each other
energy pyramid
Step 2 of the carbon dioxide and oxygen cycle

11. An organism that breaks down plant and animal material
parasite
food web
list 6 ecosystems
decomposer

12. We need them because they break down dead plants and animals
the gas people breathe in...
population
Step 2 of the carbon dioxide and oxygen cycle
purpose of decomposers

13. Several food chains that are connected
host
food web
consumer
5 things all living things need to survive

14. An organism that breaks down plant and animal material
Step 4 of the carbon dioxide and oxygen cycle
decomposer
producer
3 groups that make up the energy pyramid

15. All the living things in an ecosystem
the gas people breathe in...
Step 4 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
community

16. A series of organisims that depend on another for food
consumer
the gas people breathe in...
food chain
carbon dioxide and oxygen cycle

17. Consumers eat producers and other consumers. Producers make their own food
Step 3 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
difference between producers and consumers

18. The place where a plant or animal naturally lives or grows
habitat
the gas people breathe in...
decomposer
Step 1 of the carbon dioxide and oxygen cycle

19. A squirrel and a nut
community
ecosystem
ecosystem
what organisms help each other

20. They all die
Step 3 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
list 6 ecosystems
Step 3 of the carbon dioxide and oxygen cycle

21. Plant - grass - flower - trees
population
Step 2 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
4 types of producers

22. Several food chains that are connected
what organisms help each other
4 types of consumers
food web
5 things all living things need to survive

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

24. A squirrel and a nut
5 things all living things need to survive
Step 4 of the carbon dioxide and oxygen cycle
producer
what organisms help each other

25. Producers - plant eaters - meat eaters
difference between producers and consumers
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from
Step 1 of the carbon dioxide and oxygen cycle

26. Tundra - dessert - rain forest - ocean - pond - lake
food chain
list 6 ecosystems
food web
the ONE thing all food that we eat comes from

27. All the members of a certain type of a living thing in an area
population
consumer
parasite
list 6 ecosystems

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

29. Tiger - bear - fox - wolf
4 types of consumers
Step 4 of the carbon dioxide and oxygen cycle
the gas people breathe in...
purpose of decomposers

30. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
4 types of consumers
list 6 ecosystems
the gas people breathe in...

31. The organism a parasite lives on or in
host
4 types of producers
community
parasite

32. Carbon dioxide
what organisms help each other
4 types of consumers
4 types of producers
what gas do people breathe out

33. Consumers give off carbon dioxide
host
food web
Step 3 of the carbon dioxide and oxygen cycle
4 types of consumers

34. A diagram that shows how energy in an ecosystem is used
food web
difference between producers and consumers
energy pyramid
producer

35. Consumers take in the oxygen that the producers make
host
Step 2 of the carbon dioxide and oxygen cycle
food web
habitat

36. Oxygen
food web
Step 4 of the carbon dioxide and oxygen cycle
host
the gas people breathe in...

37. Forest....plants and algae

38. A diagram that shows how energy in an ecosystem is used
4 types of producers
the ONE thing all food that we eat comes from
4 types of consumers
energy pyramid

39. Tundra - dessert - rain forest - ocean - pond - lake
Step 4 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
list 6 ecosystems
decomposer

40. An organism that lives in or on another organism
food web
parasite
where is one organism harmed and one helped?
the gas people breathe in...

41. Plant - grass - flower - trees
Step 2 of the carbon dioxide and oxygen cycle
host
difference between producers and consumers
4 types of producers

42. They all die
host
what gas do people breathe out
if the part of the food chain is missing...then what happens?
parasite

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

44. Plants
the ONE thing all food that we eat comes from
Step 2 of the carbon dioxide and oxygen cycle
what gas do people breathe out
4 types of consumers

45. An organism that makes it's own food
what organisms help each other
Step 4 of the carbon dioxide and oxygen cycle
producer
food web

46. An organism that lives in or on another organism
ecosystem
producer
Step 4 of the carbon dioxide and oxygen cycle
parasite

47. Air - water - sun - shelter - food
5 things all living things need to survive
community
decomposer
host

48. All the living things in an ecosystem
community
food web
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive

49. Producers take in carbon dioxide from the consumer
decomposer
list 6 ecosystems
3 groups that make up the energy pyramid
Step 4 of the carbon dioxide and oxygen cycle

50. Producers give off oxygen as the make their own food
what organisms help each other
Step 1 of the carbon dioxide and oxygen cycle
4 types of consumers
host