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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. Air - water - sun - shelter - food
habitat
list 6 ecosystems
5 things all living things need to survive
consumer

2. Tiger - bear - fox - wolf
4 types of consumers
difference between producers and consumers
habitat
population

3. Consumers take in the oxygen that the producers make
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
habitat

4. The organism a parasite lives on or in
Step 3 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
producer
host

5. Carbon dioxide
producer
energy pyramid
4 types of consumers
what gas do people breathe out

6. Forest....plants and algae

7. The exchange of gasses between producers and consumers
food chain
carbon dioxide and oxygen cycle
decomposer
if the part of the food chain is missing...then what happens?

8. An organism that eats the producer and other consumers
population
consumer
decomposer
list 6 ecosystems

9. Producers take in carbon dioxide from the consumer
consumer
the gas people breathe in...
Step 4 of the carbon dioxide and oxygen cycle
decomposer

10. Several food chains that are connected
food web
difference between producers and consumers
energy pyramid
the gas people breathe in...

11. The exchange of gasses between producers and consumers
producer
ecosystem
what gas do people breathe out
carbon dioxide and oxygen cycle

12. An organism that lives in or on another organism
3 groups that make up the energy pyramid
consumer
parasite
food web

13. An organism that makes it's own food
the gas people breathe in...
the ONE thing all food that we eat comes from
habitat
producer

14. Oxygen
producer
where is one organism harmed and one helped?
Step 2 of the carbon dioxide and oxygen cycle
the gas people breathe in...

15. A series of organisims that depend on another for food
what gas do people breathe out
what gas do people breathe out
list 6 ecosystems
food chain

16. Plant - grass - flower - trees
4 types of producers
carbon dioxide and oxygen cycle
4 types of consumers
where the world's oxygen supply comes from

17. Oxygen
energy pyramid
Step 1 of the carbon dioxide and oxygen cycle
the gas people breathe in...
Step 2 of the carbon dioxide and oxygen cycle

18. The place where a plant or animal naturally lives or grows
Step 1 of the carbon dioxide and oxygen cycle
habitat
community
food chain

19. A tapeworm and a human
the ONE thing all food that we eat comes from
where the world's oxygen supply comes from
where is one organism harmed and one helped?
the ONE thing all food that we eat comes from

20. Producers - plant eaters - meat eaters
what gas do people breathe out
3 groups that make up the energy pyramid
difference between producers and consumers
5 things all living things need to survive

21. We need them because they break down dead plants and animals
purpose of decomposers
parasite
if the part of the food chain is missing...then what happens?
Step 4 of the carbon dioxide and oxygen cycle

22. Carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
community
what gas do people breathe out

23. Forest....plants and algae

24. Plant - grass - flower - trees
consumer
host
4 types of producers
what organisms help each other

25. An organism that breaks down plant and animal material
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers
decomposer
4 types of producers

26. The place where a plant or animal naturally lives or grows
Step 4 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
habitat
parasite

27. Tundra - dessert - rain forest - ocean - pond - lake
decomposer
list 6 ecosystems
where is one organism harmed and one helped?
consumer

28. A squirrel and a nut
what organisms help each other
the gas people breathe in...
community
what gas do people breathe out

29. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
carbon dioxide and oxygen cycle
what organisms help each other
4 types of consumers

30. They all die
energy pyramid
difference between producers and consumers
if the part of the food chain is missing...then what happens?
population

31. Consumers eat producers and other consumers. Producers make their own food
if the part of the food chain is missing...then what happens?
Step 3 of the carbon dioxide and oxygen cycle
energy pyramid
difference between producers and consumers

32. Consumers eat producers and other consumers. Producers make their own food
energy pyramid
host
the gas people breathe in...
difference between producers and consumers

33. Producers give off oxygen as the make their own food
Step 3 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
host
Step 1 of the carbon dioxide and oxygen cycle

34. All the living things in an ecosystem
community
what organisms help each other
Step 4 of the carbon dioxide and oxygen cycle
4 types of consumers

35. The organism a parasite lives on or in
parasite
the gas people breathe in...
host
food web

36. All the living and non living things in an environment
ecosystem
Step 4 of the carbon dioxide and oxygen cycle
what organisms help each other
food chain

37. All the members of a certain type of a living thing in an area
host
population
where is one organism harmed and one helped?
where is one organism harmed and one helped?

38. Several food chains that are connected
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
food web

39. All the living and non living things in an environment
producer
decomposer
community
ecosystem

40. Producers give off oxygen as the make their own food
community
Step 1 of the carbon dioxide and oxygen cycle
food chain
where the world's oxygen supply comes from

41. Plants
what organisms help each other
the ONE thing all food that we eat comes from
4 types of producers
Step 1 of the carbon dioxide and oxygen cycle

42. Air - water - sun - shelter - food
5 things all living things need to survive
purpose of decomposers
if the part of the food chain is missing...then what happens?
Step 1 of the carbon dioxide and oxygen cycle

43. An organism that lives in or on another organism
parasite
what gas do people breathe out
habitat
food web

44. They all die
community
food web
community
if the part of the food chain is missing...then what happens?

45. An organism that eats the producer and other consumers
producer
consumer
food chain
Step 4 of the carbon dioxide and oxygen cycle

46. A series of organisims that depend on another for food
food chain
producer
3 groups that make up the energy pyramid
consumer

47. All the members of a certain type of a living thing in an area
population
Step 4 of the carbon dioxide and oxygen cycle
consumer
Step 1 of the carbon dioxide and oxygen cycle

48. A diagram that shows how energy in an ecosystem is used
energy pyramid
list 6 ecosystems
ecosystem
decomposer

49. Tiger - bear - fox - wolf
4 types of consumers
consumer
host
carbon dioxide and oxygen cycle

50. Consumers give off carbon dioxide
food web
food chain
Step 3 of the carbon dioxide and oxygen cycle
what organisms help each other