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