Test your basic knowledge |

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. Producers take in carbon dioxide from the consumer
community
food chain
community
Step 4 of the carbon dioxide and oxygen cycle

2. Plants
food chain
community
3 groups that make up the energy pyramid
the ONE thing all food that we eat comes from

3. Tundra - dessert - rain forest - ocean - pond - lake
decomposer
list 6 ecosystems
4 types of producers
5 things all living things need to survive

4. All the living and non living things in an environment
ecosystem
list 6 ecosystems
host
what gas do people breathe out

5. A diagram that shows how energy in an ecosystem is used
Step 1 of the carbon dioxide and oxygen cycle
energy pyramid
list 6 ecosystems
if the part of the food chain is missing...then what happens?

6. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
4 types of producers
5 things all living things need to survive
where is one organism harmed and one helped?

7. A diagram that shows how energy in an ecosystem is used
ecosystem
energy pyramid
if the part of the food chain is missing...then what happens?
the gas people breathe in...

8. Producers give off oxygen as the make their own food
Step 1 of the carbon dioxide and oxygen cycle
decomposer
food web
difference between producers and consumers

9. An organism that makes it's own food
Step 2 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
producer
Step 1 of the carbon dioxide and oxygen cycle

10. Plants
Step 4 of the carbon dioxide and oxygen cycle
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
host

11. A series of organisims that depend on another for food
food chain
if the part of the food chain is missing...then what happens?
4 types of consumers
Step 2 of the carbon dioxide and oxygen cycle

12. The organism a parasite lives on or in
Step 1 of the carbon dioxide and oxygen cycle
host
Step 3 of the carbon dioxide and oxygen cycle
difference between producers and consumers

13. Tiger - bear - fox - wolf
4 types of consumers
Step 4 of the carbon dioxide and oxygen cycle
ecosystem
what organisms help each other

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

15. An organism that eats the producer and other consumers
consumer
food chain
difference between producers and consumers
Step 2 of the carbon dioxide and oxygen cycle

16. All the members of a certain type of a living thing in an area
purpose of decomposers
population
if the part of the food chain is missing...then what happens?
Step 4 of the carbon dioxide and oxygen cycle

17. Tundra - dessert - rain forest - ocean - pond - lake
list 6 ecosystems
carbon dioxide and oxygen cycle
food chain
decomposer

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

19. Producers - plant eaters - meat eaters
where the world's oxygen supply comes from
Step 2 of the carbon dioxide and oxygen cycle
community
3 groups that make up the energy pyramid

20. A squirrel and a nut
decomposer
what organisms help each other
list 6 ecosystems
the ONE thing all food that we eat comes from

21. Consumers eat producers and other consumers. Producers make their own food
energy pyramid
difference between producers and consumers
Step 1 of the carbon dioxide and oxygen cycle
5 things all living things need to survive

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

23. A squirrel and a nut
population
what organisms help each other
Step 2 of the carbon dioxide and oxygen cycle
producer

24. An organism that breaks down plant and animal material
Step 1 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
where the world's oxygen supply comes from
decomposer

25. An organism that lives in or on another organism
Step 2 of the carbon dioxide and oxygen cycle
parasite
habitat
the gas people breathe in...

26. Consumers take in the oxygen that the producers make
population
Step 2 of the carbon dioxide and oxygen cycle
habitat
what gas do people breathe out

27. The organism a parasite lives on or in
host
decomposer
difference between producers and consumers
producer

28. Consumers take in the oxygen that the producers make
Step 2 of the carbon dioxide and oxygen cycle
food chain
the gas people breathe in...
ecosystem

29. Forest....plants and algae

30. Several food chains that are connected
food web
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out
the gas people breathe in...

31. Consumers eat producers and other consumers. Producers make their own food
where the world's oxygen supply comes from
Step 1 of the carbon dioxide and oxygen cycle
difference between producers and consumers
where the world's oxygen supply comes from

32. The place where a plant or animal naturally lives or grows
decomposer
4 types of consumers
consumer
habitat

33. Carbon dioxide
carbon dioxide and oxygen cycle
food web
what gas do people breathe out
consumer

34. Plant - grass - flower - trees
what gas do people breathe out
Step 1 of the carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle
4 types of producers

35. We need them because they break down dead plants and animals
community
what organisms help each other
purpose of decomposers
food web

36. All the living things in an ecosystem
4 types of producers
purpose of decomposers
community
food chain

37. Air - water - sun - shelter - food
Step 3 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
what organisms help each other
carbon dioxide and oxygen cycle

38. A series of organisims that depend on another for food
what organisms help each other
the ONE thing all food that we eat comes from
food chain
consumer

39. Forest....plants and algae

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

41. Plant - grass - flower - trees
Step 1 of the carbon dioxide and oxygen cycle
4 types of producers
decomposer
if the part of the food chain is missing...then what happens?

42. An organism that lives in or on another organism
if the part of the food chain is missing...then what happens?
parasite
4 types of producers
food chain

43. Consumers give off carbon dioxide
Step 3 of the carbon dioxide and oxygen cycle
food web
energy pyramid
parasite

44. They all die
Step 1 of the carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
if the part of the food chain is missing...then what happens?
food chain

45. An organism that makes it's own food
4 types of consumers
food chain
producer
purpose of decomposers

46. Producers take in carbon dioxide from the consumer
decomposer
producer
Step 4 of the carbon dioxide and oxygen cycle
food web

47. All the members of a certain type of a living thing in an area
carbon dioxide and oxygen cycle
population
Step 2 of the carbon dioxide and oxygen cycle
host

48. A tapeworm and a human
if the part of the food chain is missing...then what happens?
carbon dioxide and oxygen cycle
the gas people breathe in...
where is one organism harmed and one helped?

49. Air - water - sun - shelter - food
5 things all living things need to survive
consumer
food web
what gas do people breathe out

50. Oxygen
5 things all living things need to survive
list 6 ecosystems
the gas people breathe in...
what gas do people breathe out