Grade 8 - Exam Review Unit One

123456789101112131415
Across
  1. 2. A testable idea or explanation that leads to scientific investigations
  2. 5. _________ tools are tools that use programs,or software to do work
  3. 6. Applying science and mathematics to solve real-world problems
  4. 9. ________ science is the modification and study of materials
  5. 11. Uses a model to copy the function, behavior, or process of the thing it represents
  6. 14. An important part of the design process involves testing and evaluating a ___________.
  7. 15. __________ property describes a material's ability to take part in a chemical reaction
Down
  1. 1. ________ properties are the characteristics of a material that can be observed or measured
  2. 3. An organized procedure to study something under controlled conditions
  3. 4. The variable that is changed in order to test the effect of the change
  4. 7. The application of science for practical purposes
  5. 8. Information gathered by observation or experimentation that can be used in calculating or reasoning
  6. 10. The study of the natural world
  7. 12. Representation of an object or system
  8. 13. Engineers perform a risk-benefit ______ to compare the possible negative effects of making a decision involving technology with the possible positive effects
  9. 14. ______ tools are helpful objects that are used to do physical work