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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. Tiger - bear - fox - wolf
food web
4 types of consumers
carbon dioxide and oxygen cycle
what organisms help each other

2. 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
food web

3. Carbon dioxide
parasite
what gas do people breathe out
carbon dioxide and oxygen cycle
energy pyramid

4. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
food web
what gas do people breathe out
where the world's oxygen supply comes from

5. An organism that lives in or on another organism
4 types of producers
difference between producers and consumers
habitat
parasite

6. Oxygen
decomposer
parasite
the gas people breathe in...
Step 1 of the carbon dioxide and oxygen cycle

7. Producers take in carbon dioxide from the consumer
Step 2 of the carbon dioxide and oxygen cycle
host
ecosystem
Step 4 of the carbon dioxide and oxygen cycle

8. Producers - plant eaters - meat eaters
Step 2 of the carbon dioxide and oxygen cycle
3 groups that make up the energy pyramid
4 types of consumers
5 things all living things need to survive

9. Forest....plants and algae

10. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
population
5 things all living things need to survive
energy pyramid

11. An organism that breaks down plant and animal material
consumer
decomposer
energy pyramid
community

12. Plants
Step 2 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle
the gas people breathe in...

13. Plant - grass - flower - trees
4 types of producers
where the world's oxygen supply comes from
parasite
what gas do people breathe out

14. A squirrel and a nut
where is one organism harmed and one helped?
food chain
list 6 ecosystems
what organisms help each other

15. A tapeworm and a human
where is one organism harmed and one helped?
4 types of consumers
ecosystem
decomposer

16. A diagram that shows how energy in an ecosystem is used
energy pyramid
parasite
where the world's oxygen supply comes from
the ONE thing all food that we eat comes from

17. An organism that breaks down plant and animal material
host
consumer
parasite
decomposer

18. Producers give off oxygen as the make their own food
habitat
5 things all living things need to survive
Step 1 of the carbon dioxide and oxygen cycle
list 6 ecosystems

19. All the living and non living things in an environment
food web
4 types of producers
Step 1 of the carbon dioxide and oxygen cycle
ecosystem

20. Plants
food web
the ONE thing all food that we eat comes from
food chain
4 types of consumers

21. Air - water - sun - shelter - food
energy pyramid
population
5 things all living things need to survive
food web

22. A squirrel and a nut
the ONE thing all food that we eat comes from
what organisms help each other
list 6 ecosystems
3 groups that make up the energy pyramid

23. Several food chains that are connected
Step 4 of the carbon dioxide and oxygen cycle
food web
the ONE thing all food that we eat comes from
list 6 ecosystems

24. All the members of a certain type of a living thing in an area
carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
population
Step 1 of the carbon dioxide and oxygen cycle

25. Carbon dioxide
food web
what gas do people breathe out
3 groups that make up the energy pyramid
where is one organism harmed and one helped?

26. Oxygen
community
purpose of decomposers
the gas people breathe in...
decomposer

27. A tapeworm and a human
producer
where is one organism harmed and one helped?
the ONE thing all food that we eat comes from
host

28. Several food chains that are connected
host
consumer
food web
the ONE thing all food that we eat comes from

29. All the living things in an ecosystem
habitat
difference between producers and consumers
community
if the part of the food chain is missing...then what happens?

30. A series of organisims that depend on another for food
4 types of producers
where is one organism harmed and one helped?
producer
food chain

31. All the living and non living things in an environment
community
ecosystem
food chain
Step 2 of the carbon dioxide and oxygen cycle

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

33. Tundra - dessert - rain forest - ocean - pond - lake
if the part of the food chain is missing...then what happens?
list 6 ecosystems
purpose of decomposers
ecosystem

34. The place where a plant or animal naturally lives or grows
community
3 groups that make up the energy pyramid
what gas do people breathe out
habitat

35. The organism a parasite lives on or in
4 types of producers
community
list 6 ecosystems
host

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

37. All the members of a certain type of a living thing in an area
list 6 ecosystems
ecosystem
population
habitat

38. We need them because they break down dead plants and animals
what organisms help each other
purpose of decomposers
5 things all living things need to survive
food chain

39. A series of organisims that depend on another for food
population
host
food chain
5 things all living things need to survive

40. An organism that eats the producer and other consumers
the ONE thing all food that we eat comes from
Step 4 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
consumer

41. The organism a parasite lives on or in
4 types of consumers
purpose of decomposers
host
energy pyramid

42. We need them because they break down dead plants and animals
ecosystem
what organisms help each other
where the world's oxygen supply comes from
purpose of decomposers

43. Consumers give off carbon dioxide
ecosystem
Step 3 of the carbon dioxide and oxygen cycle
decomposer
3 groups that make up the energy pyramid

44. The place where a plant or animal naturally lives or grows
the gas people breathe in...
habitat
purpose of decomposers
3 groups that make up the energy pyramid

45. Tundra - dessert - rain forest - ocean - pond - lake
population
habitat
Step 3 of the carbon dioxide and oxygen cycle
list 6 ecosystems

46. An organism that eats the producer and other consumers
5 things all living things need to survive
community
Step 1 of the carbon dioxide and oxygen cycle
consumer

47. An organism that makes it's own food
Step 1 of the carbon dioxide and oxygen cycle
food web
habitat
producer

48. Forest....plants and algae

49. Air - water - sun - shelter - food
ecosystem
where the world's oxygen supply comes from
5 things all living things need to survive
the ONE thing all food that we eat comes from

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