Unit 1: Science and Engineering

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Across
  1. 4. This is a community of organisms and the nonliving components in their environment
  2. 7. This refers to the number and variety of organisms in an ecosystem
  3. 8. This natural resource takes millions of years to form
  4. 12. These people conduct investigations by using the scientific method
  5. 13. Everything has a life _______ from the moment is it made to when it is disposed
  6. 16. This is a resource that is found in nature
Down
  1. 1. This method is used by scientists to test theories
  2. 2. This natural resource could be replaced in a short period of time
  3. 3. This is an educated guess
  4. 5. If you get chemicals in your eye, you should wash them for 15 _____
  5. 6. Sand ________ is done to collect Earth's natural resources to be used by humans
  6. 9. We can reuse items instead of disposing them this way
  7. 10. This ingredient is found in sand and used to make glass
  8. 11. This is a nonrenewable resource used to make gas
  9. 14. Another word for wood
  10. 15. These people develop solutions to help solve a problem