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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. Several food chains that are connected
ecosystem
food web
5 things all living things need to survive
carbon dioxide and oxygen cycle

2. Tundra - dessert - rain forest - ocean - pond - lake
carbon dioxide and oxygen cycle
list 6 ecosystems
consumer
3 groups that make up the energy pyramid

3. All the living and non living things in an environment
3 groups that make up the energy pyramid
ecosystem
where is one organism harmed and one helped?
list 6 ecosystems

4. The organism a parasite lives on or in
4 types of producers
where the world's oxygen supply comes from
where is one organism harmed and one helped?
host

5. The exchange of gasses between producers and consumers
difference between producers and consumers
4 types of producers
energy pyramid
carbon dioxide and oxygen cycle

6. We need them because they break down dead plants and animals
purpose of decomposers
what organisms help each other
energy pyramid
the ONE thing all food that we eat comes from

7. A squirrel and a nut
parasite
what organisms help each other
if the part of the food chain is missing...then what happens?
producer

8. An organism that makes it's own food
what organisms help each other
producer
ecosystem
parasite

9. A diagram that shows how energy in an ecosystem is used
the gas people breathe in...
population
food chain
energy pyramid

10. A series of organisims that depend on another for food
food web
population
food chain
list 6 ecosystems

11. Oxygen
4 types of consumers
producer
the gas people breathe in...
Step 3 of the carbon dioxide and oxygen cycle

12. Carbon dioxide
5 things all living things need to survive
what gas do people breathe out
purpose of decomposers
carbon dioxide and oxygen cycle

13. Plants
Step 4 of the carbon dioxide and oxygen cycle
consumer
the ONE thing all food that we eat comes from
3 groups that make up the energy pyramid

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

15. A diagram that shows how energy in an ecosystem is used
decomposer
consumer
what organisms help each other
energy pyramid

16. Forest....plants and algae

17. Consumers eat producers and other consumers. Producers make their own food
food chain
4 types of consumers
difference between producers and consumers
food chain

18. The exchange of gasses between producers and consumers
4 types of producers
population
what organisms help each other
carbon dioxide and oxygen cycle

19. Air - water - sun - shelter - food
the ONE thing all food that we eat comes from
consumer
5 things all living things need to survive
community

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

21. Producers - plant eaters - meat eaters
carbon dioxide and oxygen cycle
parasite
energy pyramid
3 groups that make up the energy pyramid

22. The place where a plant or animal naturally lives or grows
habitat
where the world's oxygen supply comes from
the ONE thing all food that we eat comes from
if the part of the food chain is missing...then what happens?

23. Several food chains that are connected
5 things all living things need to survive
the gas people breathe in...
difference between producers and consumers
food web

24. Consumers give off carbon dioxide
the ONE thing all food that we eat comes from
list 6 ecosystems
Step 3 of the carbon dioxide and oxygen cycle
habitat

25. Producers give off oxygen as the make their own food
Step 1 of the carbon dioxide and oxygen cycle
food chain
the ONE thing all food that we eat comes from
Step 3 of the carbon dioxide and oxygen cycle

26. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
parasite
food chain
producer

27. Consumers give off carbon dioxide
what gas do people breathe out
4 types of consumers
Step 3 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

28. We need them because they break down dead plants and animals
where the world's oxygen supply comes from
Step 4 of the carbon dioxide and oxygen cycle
purpose of decomposers
the ONE thing all food that we eat comes from

29. All the members of a certain type of a living thing in an area
what organisms help each other
what gas do people breathe out
Step 4 of the carbon dioxide and oxygen cycle
population

30. All the members of a certain type of a living thing in an area
decomposer
habitat
population
host

31. Producers take in carbon dioxide from the consumer
Step 1 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from

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

33. Plant - grass - flower - trees
Step 1 of the carbon dioxide and oxygen cycle
habitat
4 types of producers
5 things all living things need to survive

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

35. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
4 types of consumers
purpose of decomposers
where is one organism harmed and one helped?

36. Carbon dioxide
energy pyramid
habitat
food chain
what gas do people breathe out

37. Forest....plants and algae

38. A tapeworm and a human
difference between producers and consumers
4 types of producers
where is one organism harmed and one helped?
the gas people breathe in...

39. Producers take in carbon dioxide from the consumer
Step 4 of the carbon dioxide and oxygen cycle
purpose of decomposers
food chain
where is one organism harmed and one helped?

40. The organism a parasite lives on or in
Step 3 of the carbon dioxide and oxygen cycle
energy pyramid
host
3 groups that make up the energy pyramid

41. An organism that lives in or on another organism
parasite
producer
if the part of the food chain is missing...then what happens?
3 groups that make up the energy pyramid

42. Plant - grass - flower - trees
4 types of consumers
difference between producers and consumers
4 types of producers
parasite

43. Plants
the ONE thing all food that we eat comes from
host
parasite
purpose of decomposers

44. Producers give off oxygen as the make their own food
food web
carbon dioxide and oxygen cycle
5 things all living things need to survive
Step 1 of the carbon dioxide and oxygen cycle

45. An organism that lives in or on another organism
ecosystem
if the part of the food chain is missing...then what happens?
difference between producers and consumers
parasite

46. All the living things in an ecosystem
consumer
decomposer
community
4 types of consumers

47. They all die
what gas do people breathe out
food chain
if the part of the food chain is missing...then what happens?
where is one organism harmed and one helped?

48. They all die
community
host
if the part of the food chain is missing...then what happens?
Step 3 of the carbon dioxide and oxygen cycle

49. Tiger - bear - fox - wolf
Step 1 of the carbon dioxide and oxygen cycle
habitat
4 types of consumers
where the world's oxygen supply comes from

50. A tapeworm and a human
host
Step 1 of the carbon dioxide and oxygen cycle
4 types of consumers
where is one organism harmed and one helped?