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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. They all die
if the part of the food chain is missing...then what happens?
carbon dioxide and oxygen cycle
what gas do people breathe out
3 groups that make up the energy pyramid

2. The place where a plant or animal naturally lives or grows
3 groups that make up the energy pyramid
population
habitat
host

3. All the living and non living things in an environment
list 6 ecosystems
Step 2 of the carbon dioxide and oxygen cycle
ecosystem
4 types of consumers

4. A squirrel and a nut
food web
what organisms help each other
carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle

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

6. Tundra - dessert - rain forest - ocean - pond - lake
the ONE thing all food that we eat comes from
list 6 ecosystems
energy pyramid
parasite

7. Tiger - bear - fox - wolf
4 types of consumers
producer
decomposer
food chain

8. All the living things in an ecosystem
ecosystem
producer
Step 3 of the carbon dioxide and oxygen cycle
community

9. A tapeworm and a human
Step 2 of the carbon dioxide and oxygen cycle
what gas do people breathe out
where is one organism harmed and one helped?
the gas people breathe in...

10. Oxygen
the gas people breathe in...
parasite
list 6 ecosystems
host

11. Forest....plants and algae

12. An organism that lives in or on another organism
community
parasite
list 6 ecosystems
Step 2 of the carbon dioxide and oxygen cycle

13. The place where a plant or animal naturally lives or grows
habitat
Step 4 of the carbon dioxide and oxygen cycle
consumer
purpose of decomposers

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

15. Consumers eat producers and other consumers. Producers make their own food
population
difference between producers and consumers
4 types of consumers
if the part of the food chain is missing...then what happens?

16. The organism a parasite lives on or in
if the part of the food chain is missing...then what happens?
food chain
host
decomposer

17. Plants
food web
the ONE thing all food that we eat comes from
the gas people breathe in...
the gas people breathe in...

18. All the living things in an ecosystem
community
decomposer
host
where is one organism harmed and one helped?

19. An organism that eats the producer and other consumers
if the part of the food chain is missing...then what happens?
the ONE thing all food that we eat comes from
consumer
ecosystem

20. An organism that eats the producer and other consumers
consumer
producer
energy pyramid
Step 3 of the carbon dioxide and oxygen cycle

21. An organism that breaks down plant and animal material
where is one organism harmed and one helped?
where is one organism harmed and one helped?
if the part of the food chain is missing...then what happens?
decomposer

22. Consumers give off carbon dioxide
host
Step 3 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
energy pyramid

23. They all die
what gas do people breathe out
community
food web
if the part of the food chain is missing...then what happens?

24. Consumers give off carbon dioxide
if the part of the food chain is missing...then what happens?
where the world's oxygen supply comes from
Step 3 of the carbon dioxide and oxygen cycle
purpose of decomposers

25. We need them because they break down dead plants and animals
Step 3 of the carbon dioxide and oxygen cycle
purpose of decomposers
Step 3 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle

26. Plant - grass - flower - trees
where is one organism harmed and one helped?
producer
4 types of producers
ecosystem

27. Air - water - sun - shelter - food
Step 1 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
ecosystem
food web

28. Oxygen
habitat
3 groups that make up the energy pyramid
the gas people breathe in...
list 6 ecosystems

29. Producers take in carbon dioxide from the consumer
4 types of consumers
community
Step 4 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle

30. Producers - plant eaters - meat eaters
ecosystem
Step 1 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
3 groups that make up the energy pyramid

31. A squirrel and a nut
food chain
what organisms help each other
where the world's oxygen supply comes from
3 groups that make up the energy pyramid

32. Air - water - sun - shelter - food
5 things all living things need to survive
ecosystem
4 types of consumers
host

33. A diagram that shows how energy in an ecosystem is used
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
energy pyramid
4 types of producers

34. All the members of a certain type of a living thing in an area
5 things all living things need to survive
if the part of the food chain is missing...then what happens?
carbon dioxide and oxygen cycle
population

35. All the living and non living things in an environment
ecosystem
host
if the part of the food chain is missing...then what happens?
if the part of the food chain is missing...then what happens?

36. Consumers eat producers and other consumers. Producers make their own food
where the world's oxygen supply comes from
4 types of consumers
difference between producers and consumers
if the part of the food chain is missing...then what happens?

37. An organism that makes it's own food
the ONE thing all food that we eat comes from
Step 2 of the carbon dioxide and oxygen cycle
producer
difference between producers and consumers

38. The organism a parasite lives on or in
host
carbon dioxide and oxygen cycle
food chain
Step 1 of the carbon dioxide and oxygen cycle

39. Plants
Step 1 of the carbon dioxide and oxygen cycle
decomposer
what gas do people breathe out
the ONE thing all food that we eat comes from

40. An organism that makes it's own food
food web
consumer
producer
what gas do people breathe out

41. A series of organisims that depend on another for food
4 types of consumers
purpose of decomposers
the gas people breathe in...
food chain

42. An organism that lives in or on another organism
producer
parasite
the ONE thing all food that we eat comes from
Step 1 of the carbon dioxide and oxygen cycle

43. The exchange of gasses between producers and consumers
food web
carbon dioxide and oxygen cycle
habitat
where is one organism harmed and one helped?

44. Tundra - dessert - rain forest - ocean - pond - lake
parasite
what gas do people breathe out
list 6 ecosystems
purpose of decomposers

45. Carbon dioxide
what organisms help each other
list 6 ecosystems
what organisms help each other
what gas do people breathe out

46. Several food chains that are connected
population
Step 4 of the carbon dioxide and oxygen cycle
community
food web

47. A tapeworm and a human
Step 2 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
if the part of the food chain is missing...then what happens?
if the part of the food chain is missing...then what happens?

48. We need them because they break down dead plants and animals
what gas do people breathe out
Step 4 of the carbon dioxide and oxygen cycle
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle

49. Producers give off oxygen as the make their own food
Step 2 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle

50. A series of organisims that depend on another for food
Step 4 of the carbon dioxide and oxygen cycle
host
food chain
where the world's oxygen supply comes from