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Scientific Technology, Machines & Tools Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What would make the needle of the phonograph make a deeper grove in the metal foil?

Question 2 2. How would a recording be played back?

Question 3 3. Which of the following is NOT one of the purposes of a fuse or circuit breaker?

Question 4 4. When a fuse blows, what do you have to do to reconnect the power?

Question 5 5. How are X-rays related to gamma rays?

Page 2

Question 6 6. X-rays are:

Question 7 7. Which telescope(s) collect(s) short wavelengths of light?

Question 8 8. Which types of telescopes collect light in the visible range?

Question 9 9. What direction dues the marked end of the needle on a compass point?

Question 10 10. What part of the submarine is the periscope located?

Page 3

Question 11 11. When was the telephone invented, and by whom?

Question 12 12. Which of the following parts of a telephone turns electrical signals into sound waves?

Question 13 13. Which type of microscope can create a three dimensional image of the surface structure of an object?

Question 14 14. The most common type of microscope in use today is a:

Question 15 15. The Brix scale measures what?

Page 4

Question 16 16. Hydrometers with a specific gravity scale are calibrated to water at what temperature?

Question 17 17. What makes a pendulum simple?

Question 18 18. What is a pendulum?

Question 19 19. What is the primary purpose of pumps?

Question 20 20. Select the item below that is not a fluid able to be pumped by the pumps shown in the article.

Page 5

Question 21 21. What invention helped spur the creation of the electric telegraph?

Question 22 22. Which of the following inventors did NOT set up an early telegraph system?

Question 23 23. How can we determine the mechanical advantage of a pulley system?

Question 24 24. A simple machine can alter the magnitude and/or direction of a force. What is an example of a simple machine that alters the direction but not the magnitude of a force?

Question 25 25. What was the metal foil eventually replaced by?

Page 6

Question 26 26. A small glass or plastic tube that contains a piece of wire is an example of what?

Question 27 27. Energy given off by electromagnetic waves is called:

Question 28 28. Which type of telescope is used by the Hubble Space Telescope?

Question 29 29. What does a compass use to help determine direction?

Question 30 30. Which of the following is not a part of a telephone?

Scientific Technology, Machines & Tools Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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