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. A diagram that shows how energy in an ecosystem is used
3 groups that make up the energy pyramid
if the part of the food chain is missing...then what happens?
energy pyramid
food chain

2. All the living and non living things in an environment
where the world's oxygen supply comes from
Step 2 of the carbon dioxide and oxygen cycle
ecosystem
habitat

3. Producers take in carbon dioxide from the consumer
food web
the gas people breathe in...
Step 4 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?

4. An organism that makes it's own food
3 groups that make up the energy pyramid
4 types of consumers
difference between producers and consumers
producer

5. A tapeworm and a human
what organisms help each other
4 types of consumers
where is one organism harmed and one helped?
community

6. Plant - grass - flower - trees
what organisms help each other
community
producer
4 types of producers

7. Forest....plants and algae

8. Oxygen
population
decomposer
the gas people breathe in...
decomposer

9. The exchange of gasses between producers and consumers
where the world's oxygen supply comes from
Step 1 of the carbon dioxide and oxygen cycle
carbon dioxide and oxygen cycle
parasite

10. An organism that eats the producer and other consumers
consumer
list 6 ecosystems
the ONE thing all food that we eat comes from
habitat

11. Air - water - sun - shelter - food
ecosystem
decomposer
5 things all living things need to survive
4 types of producers

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

13. Forest....plants and algae

14. A squirrel and a nut
4 types of consumers
if the part of the food chain is missing...then what happens?
Step 4 of the carbon dioxide and oxygen cycle
what organisms help each other

15. Producers - plant eaters - meat eaters
3 groups that make up the energy pyramid
habitat
what gas do people breathe out
purpose of decomposers

16. Consumers take in the oxygen that the producers make
decomposer
Step 2 of the carbon dioxide and oxygen cycle
what gas do people breathe out
purpose of decomposers

17. Plant - grass - flower - trees
3 groups that make up the energy pyramid
food web
4 types of producers
community

18. The place where a plant or animal naturally lives or grows
carbon dioxide and oxygen cycle
5 things all living things need to survive
habitat
decomposer

19. An organism that lives in or on another organism
host
where is one organism harmed and one helped?
parasite
habitat

20. A series of organisims that depend on another for food
4 types of producers
food chain
producer
Step 1 of the carbon dioxide and oxygen cycle

21. Plants
the gas people breathe in...
the ONE thing all food that we eat comes from
4 types of consumers
consumer

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

23. An organism that breaks down plant and animal material
parasite
carbon dioxide and oxygen cycle
decomposer
energy pyramid

24. An organism that makes it's own food
3 groups that make up the energy pyramid
habitat
food web
producer

25. All the members of a certain type of a living thing in an area
community
5 things all living things need to survive
population
food chain

26. Consumers take in the oxygen that the producers make
purpose of decomposers
Step 2 of the carbon dioxide and oxygen cycle
difference between producers and consumers
energy pyramid

27. We need them because they break down dead plants and animals
consumer
Step 2 of the carbon dioxide and oxygen cycle
purpose of decomposers
5 things all living things need to survive

28. Producers give off oxygen as the make their own food
the ONE thing all food that we eat comes from
4 types of consumers
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle

29. Tundra - dessert - rain forest - ocean - pond - lake
host
list 6 ecosystems
decomposer
4 types of consumers

30. An organism that breaks down plant and animal material
what gas do people breathe out
decomposer
what gas do people breathe out
4 types of consumers

31. A diagram that shows how energy in an ecosystem is used
the gas people breathe in...
energy pyramid
population
what organisms help each other

32. Producers give off oxygen as the make their own food
purpose of decomposers
Step 1 of the carbon dioxide and oxygen cycle
food web
4 types of consumers

33. Carbon dioxide
difference between producers and consumers
community
what gas do people breathe out
if the part of the food chain is missing...then what happens?

34. The place where a plant or animal naturally lives or grows
the ONE thing all food that we eat comes from
energy pyramid
habitat
what gas do people breathe out

35. Carbon dioxide
5 things all living things need to survive
what organisms help each other
what gas do people breathe out
habitat

36. All the living things in an ecosystem
4 types of producers
community
carbon dioxide and oxygen cycle
Step 3 of the carbon dioxide and oxygen cycle

37. An organism that eats the producer and other consumers
Step 4 of the carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
what organisms help each other
consumer

38. An organism that lives in or on another organism
where the world's oxygen supply comes from
Step 4 of the carbon dioxide and oxygen cycle
parasite
food chain

39. Tiger - bear - fox - wolf
difference between producers and consumers
Step 4 of the carbon dioxide and oxygen cycle
4 types of consumers
4 types of producers

40. Air - water - sun - shelter - food
4 types of consumers
community
5 things all living things need to survive
purpose of decomposers

41. A squirrel and a nut
difference between producers and consumers
what organisms help each other
food web
Step 1 of the carbon dioxide and oxygen cycle

42. Tundra - dessert - rain forest - ocean - pond - lake
food web
list 6 ecosystems
4 types of consumers
where the world's oxygen supply comes from

43. All the living and non living things in an environment
difference between producers and consumers
if the part of the food chain is missing...then what happens?
ecosystem
Step 4 of the carbon dioxide and oxygen cycle

44. The organism a parasite lives on or in
the gas people breathe in...
what gas do people breathe out
population
host

45. The exchange of gasses between producers and consumers
Step 2 of the carbon dioxide and oxygen cycle
food web
carbon dioxide and oxygen cycle
5 things all living things need to survive

46. The organism a parasite lives on or in
host
carbon dioxide and oxygen cycle
food chain
carbon dioxide and oxygen cycle

47. Oxygen
4 types of producers
the gas people breathe in...
food chain
decomposer

48. They all die
if the part of the food chain is missing...then what happens?
the gas people breathe in...
ecosystem
population

49. A tapeworm and a human
where the world's oxygen supply comes from
ecosystem
population
where is one organism harmed and one helped?

50. A series of organisims that depend on another for food
the gas people breathe in...
food chain
decomposer
where the world's oxygen supply comes from