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. Oxygen






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






3. Plant - grass - flower - trees






4. Producers - plant eaters - meat eaters






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






6. Carbon dioxide






7. The exchange of gasses between producers and consumers






8. They all die






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






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






11. An organism that breaks down plant and animal material






12. A squirrel and a nut






13. Consumers take in the oxygen that the producers make






14. Forest....plants and algae


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






16. An organism that lives in or on another organism






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






18. An organism that lives in or on another organism






19. An organism that makes it's own food






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






21. Producers - plant eaters - meat eaters






22. An organism that makes it's own food






23. Tiger - bear - fox - wolf






24. A tapeworm and a human






25. Producers take in carbon dioxide from the consumer






26. Oxygen






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






28. A squirrel and a nut






29. Air - water - sun - shelter - food






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






31. All the living things in an ecosystem






32. An organism that eats the producer and other consumers






33. They all die






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






35. The organism a parasite lives on or in






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






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






38. Producers take in carbon dioxide from the consumer






39. Consumers give off carbon dioxide






40. Carbon dioxide






41. Consumers give off carbon dioxide






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






43. All the living things in an ecosystem






44. An organism that breaks down plant and animal material






45. Several food chains that are connected






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






47. The exchange of gasses between producers and consumers






48. An organism that eats the producer and other consumers






49. Plants






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