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Test your basic knowledge |
3rd Grade Science Common Core
Start Test
Study First
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. Oxygen
3 groups that make up the energy pyramid
what organisms help each other
the gas people breathe in...
decomposer
2. An organism that makes it's own food
Step 3 of the carbon dioxide and oxygen cycle
energy pyramid
producer
Step 1 of the carbon dioxide and oxygen cycle
3. All the living things in an ecosystem
where the world's oxygen supply comes from
difference between producers and consumers
decomposer
community
4. The organism a parasite lives on or in
list 6 ecosystems
host
where the world's oxygen supply comes from
if the part of the food chain is missing...then what happens?
5. Plant - grass - flower - trees
3 groups that make up the energy pyramid
list 6 ecosystems
if the part of the food chain is missing...then what happens?
4 types of producers
6. An organism that breaks down plant and animal material
decomposer
purpose of decomposers
list 6 ecosystems
carbon dioxide and oxygen cycle
7. A squirrel and a nut
4 types of consumers
list 6 ecosystems
what organisms help each other
where is one organism harmed and one helped?
8. Producers take in carbon dioxide from the consumer
where is one organism harmed and one helped?
carbon dioxide and oxygen cycle
Step 4 of the carbon dioxide and oxygen cycle
food web
9. All the living and non living things in an environment
community
ecosystem
consumer
where the world's oxygen supply comes from
10. Forest....plants and algae
11. Carbon dioxide
ecosystem
what gas do people breathe out
consumer
parasite
12. An organism that eats the producer and other consumers
Step 1 of the carbon dioxide and oxygen cycle
decomposer
habitat
consumer
13. A squirrel and a nut
list 6 ecosystems
list 6 ecosystems
what organisms help each other
energy pyramid
14. They all die
food web
food chain
where is one organism harmed and one helped?
if the part of the food chain is missing...then what happens?
15. An organism that breaks down plant and animal material
list 6 ecosystems
4 types of producers
difference between producers and consumers
decomposer
16. Plants
the ONE thing all food that we eat comes from
energy pyramid
parasite
Step 2 of the carbon dioxide and oxygen cycle
17. Producers give off oxygen as the make their own food
Step 1 of the carbon dioxide and oxygen cycle
what gas do people breathe out
if the part of the food chain is missing...then what happens?
producer
18. Tundra - dessert - rain forest - ocean - pond - lake
purpose of decomposers
5 things all living things need to survive
where is one organism harmed and one helped?
list 6 ecosystems
19. The organism a parasite lives on or in
the gas people breathe in...
5 things all living things need to survive
Step 3 of the carbon dioxide and oxygen cycle
host
20. They all die
food chain
4 types of consumers
if the part of the food chain is missing...then what happens?
where the world's oxygen supply comes from
21. Producers take in carbon dioxide from the consumer
population
energy pyramid
Step 4 of the carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
22. A tapeworm and a human
habitat
community
the gas people breathe in...
where is one organism harmed and one helped?
23. Producers give off oxygen as the make their own food
population
food web
5 things all living things need to survive
Step 1 of the carbon dioxide and oxygen cycle
24. Consumers eat producers and other consumers. Producers make their own food
what gas do people breathe out
carbon dioxide and oxygen cycle
difference between producers and consumers
food chain
25. An organism that eats the producer and other consumers
purpose of decomposers
Step 2 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
consumer
26. We need them because they break down dead plants and animals
purpose of decomposers
what gas do people breathe out
parasite
decomposer
27. The place where a plant or animal naturally lives or grows
ecosystem
purpose of decomposers
habitat
where is one organism harmed and one helped?
28. Several food chains that are connected
list 6 ecosystems
Step 2 of the carbon dioxide and oxygen cycle
where is one organism harmed and one helped?
food web
29. We need them because they break down dead plants and animals
what organisms help each other
purpose of decomposers
Step 2 of the carbon dioxide and oxygen cycle
food web
30. Consumers eat producers and other consumers. Producers make their own food
habitat
difference between producers and consumers
purpose of decomposers
decomposer
31. Consumers take in the oxygen that the producers make
5 things all living things need to survive
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle
Step 2 of the carbon dioxide and oxygen cycle
32. An organism that lives in or on another organism
parasite
what organisms help each other
decomposer
4 types of producers
33. All the members of a certain type of a living thing in an area
what gas do people breathe out
food web
energy pyramid
population
34. An organism that makes it's own food
if the part of the food chain is missing...then what happens?
food web
host
producer
35. Consumers give off carbon dioxide
producer
energy pyramid
Step 3 of the carbon dioxide and oxygen cycle
host
36. Producers - plant eaters - meat eaters
community
list 6 ecosystems
3 groups that make up the energy pyramid
4 types of producers
37. The exchange of gasses between producers and consumers
carbon dioxide and oxygen cycle
the ONE thing all food that we eat comes from
food web
producer
38. Air - water - sun - shelter - food
5 things all living things need to survive
carbon dioxide and oxygen cycle
consumer
producer
39. Air - water - sun - shelter - food
Step 4 of the carbon dioxide and oxygen cycle
5 things all living things need to survive
population
difference between producers and consumers
40. An organism that lives in or on another organism
the ONE thing all food that we eat comes from
carbon dioxide and oxygen cycle
parasite
energy pyramid
41. Forest....plants and algae
42. All the living and non living things in an environment
where is one organism harmed and one helped?
host
the gas people breathe in...
ecosystem
43. The exchange of gasses between producers and consumers
3 groups that make up the energy pyramid
habitat
host
carbon dioxide and oxygen cycle
44. The place where a plant or animal naturally lives or grows
where is one organism harmed and one helped?
habitat
3 groups that make up the energy pyramid
purpose of decomposers
45. Carbon dioxide
what gas do people breathe out
parasite
food chain
food chain
46. Tundra - dessert - rain forest - ocean - pond - lake
the ONE thing all food that we eat comes from
community
where is one organism harmed and one helped?
list 6 ecosystems
47. All the living things in an ecosystem
food web
Step 2 of the carbon dioxide and oxygen cycle
4 types of consumers
community
48. Consumers take in the oxygen that the producers make
population
3 groups that make up the energy pyramid
Step 2 of the carbon dioxide and oxygen cycle
if the part of the food chain is missing...then what happens?
49. Several food chains that are connected
list 6 ecosystems
if the part of the food chain is missing...then what happens?
Step 2 of the carbon dioxide and oxygen cycle
food web
50. Oxygen
ecosystem
consumer
the gas people breathe in...
the ONE thing all food that we eat comes from