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






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






3. An organism that lives in or on another organism






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






5. They all die






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






7. Producers - plant eaters - meat eaters






8. The organism a parasite lives on or in






9. Producers take in carbon dioxide from the consumer






10. All the living things in an ecosystem






11. Consumers take in the oxygen that the producers make






12. A tapeworm and a human






13. Several food chains that are connected






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






15. Plant - grass - flower - trees






16. The exchange of gasses between producers and consumers






17. Consumers give off carbon dioxide






18. Air - water - sun - shelter - food






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






20. An organism that breaks down plant and animal material






21. Consumers take in the oxygen that the producers make






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






23. Oxygen






24. Producers - plant eaters - meat eaters






25. An organism that eats the producer and other consumers






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






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






28. An organism that breaks down plant and animal material






29. Carbon dioxide






30. Consumers give off carbon dioxide






31. Tiger - bear - fox - wolf






32. Forest....plants and algae

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33. A squirrel and a nut






34. Air - water - sun - shelter - food






35. Plants






36. Forest....plants and algae

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37. The exchange of gasses between producers and consumers






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






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






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






41. Producers take in carbon dioxide from the consumer






42. The organism a parasite lives on or in






43. An organism that makes it's own food






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






45. An organism that lives in or on another organism






46. Plant - grass - flower - trees






47. Carbon dioxide






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






49. Oxygen






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