1. Does it work? By: Caitlynn McKinney 02/28/10

2. Science Standard 6 Common Themes

• Indicator 3.6.2 - Investigate how and describe that something may not work if some of its parts are missing.

• Taken from http://dc.doe.in.gov/standards/academicstandards/standardsearch.aspx

3. Definitions

• Investigate - to examine, study, or inquire into

• Describe - to tell or depict in written or spoken words

• Taken from: www.dictionary.com

4. Background Information

• How a system is able to function is dependent on the amount and type of parts and how they are assembled.

• A system is actually an interaction of parts.

• Parts come together to make a whole that has properties that the parts do not.

• A system that loses a part of itself is not the same system.

• Taken from: http://www.sciencenetlinks.com/lessons.php?BenchmarkID=11&DocID=1

5. Lets Think!

• There are many systems that will not work if a part of it is missing. Can you think of some systems and their parts?

Systems Parts

6. Would it look different?

• Pick two systems from the previous activity. Draw a picture of the two systems with a part missing.

System #1 System #2

7. Would it look different?

• Does system #1 look different with a part missing? Explain: ___________________________________________________________________________________________________

• Does system #2 look different with a part missing? Explain: ___________________________________________________________________________________________________

8. Would it work?

• Would system #1 still work with a part missing? Explain: ___________________________________________________________________________________________________

• Would system #2 still work with a part missing? Explain: ___________________________________________________________________________________________________

9. The Flashlight

• In a box you will find a flashlight.

• Take the flashlight out of the box. Turn the lights off and turn the flashlight on.

• Explain what happened: _____________________________________________________________________________________________________________________________________________________________________

10. The Flashlight

• Unscrew the top of the flashlight.

• Take the two batteries out.

• Screw the top of the flashlight back on.

• Turn the lights off

• Turn the flashlight on.

• Explain what happened?_______________________________________________________________________________________________________________________________________________

• Why do you think this happened? ______________________________________________________________________________________________________________________________

11. The Camera

• In a box you will find a camera.

• Take the camera out of the box.

• Turn the camera on and take a picture.

• Click the review button.

• What do you see? ____________________________________________________________________________________________________________________________________

12. The Camera

• Open the bottom of the camera.

• Take out the rechargeable battery.

• Turn the camera on and take a picture.

• Click the review button.

• What do you see? Explain why. ____________________________________________________________________________________________________________________________________

13. The Newspaper

• In a box you will find a newspaper.

• Take the newspaper out of the box.

• Flip through the newspaper.

• Choose an article to read.

• After reading, briefly explain what it was about. _____________________________________________________________________________________________________________________________________________________________________

14. The Newspaper

• Take a page out of the newspaper.

• Flip through the newspaper.

• Find an article that interests you.

• Read the article.

• Briefly explain what the article was about. ______________________________________________________________________________________________________

• Why was it more difficult to understand the article? ____________________________________________________________________________________________________________________________________________________________

15. Assessment

• If a system is missing a part it A.) May not work B.) Will always work C.) Will always look the same D.) Changes colors

• What happened when the camera was missing a battery? A.) It allowed you to take a picture and review it. B.) It allowed you to take a picture, but you couldnt review it. C.) It wouldnt allow you to take a picture or review it. D.) It was too hot to pick up.

16. Resources

• http://www.sciencenetlinks.com/lessons.php?BenchmarkID=11&DocID=1

• http://dc.doe.in.gov/standards/academicstandards/standardsearch.aspx

• www.dictionary.com