Test your basic knowledge |

3rd Grade Science 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. An organism that makes it's own food






2. Several food chains that are connected






3. A squirrel and a nut






4. Tiger - bear - fox - wolf






5. All the living things in an ecosystem






6. Producers - plant eaters - meat eaters






7. A series of organisims that depend on another for food






8. The organism a parasite lives on or in






9. All the living and non living things in an environment






10. They all die






11. Producers take in carbon dioxide from the consumer






12. A squirrel and a nut






13. A diagram that shows how energy in an ecosystem is used






14. A diagram that shows how energy in an ecosystem is used






15. The place where a plant or animal naturally lives or grows






16. Consumers take in the oxygen that the producers make






17. A series of organisims that depend on another for food






18. Producers give off oxygen as the make their own food






19. An organism that eats the producer and other consumers






20. Several food chains that are connected






21. Oxygen






22. An organism that eats the producer and other consumers






23. An organism that lives in or on another organism






24. Plant - grass - flower - trees






25. Forest....plants and algae

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26. Air - water - sun - shelter - food






27. They all die






28. Plant - grass - flower - trees






29. An organism that lives in or on another organism






30. An organism that breaks down plant and animal material






31. Consumers eat producers and other consumers. Producers make their own food






32. We need them because they break down dead plants and animals






33. The exchange of gasses between producers and consumers






34. Tundra - dessert - rain forest - ocean - pond - lake






35. An organism that breaks down plant and animal material






36. Plants






37. Air - water - sun - shelter - food






38. Consumers give off carbon dioxide






39. Forest....plants and algae

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40. Producers give off oxygen as the make their own food






41. Plants






42. All the living things in an ecosystem






43. Consumers take in the oxygen that the producers make






44. Carbon dioxide






45. All the members of a certain type of a living thing in an area






46. Tundra - dessert - rain forest - ocean - pond - lake






47. Consumers eat producers and other consumers. Producers make their own food






48. Producers take in carbon dioxide from the consumer






49. Consumers give off carbon dioxide






50. A tapeworm and a human