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# Indicator Project

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### Transcript of "Indicator Project"

1. 1. Recording Numerical Data by Rachel Koester<br />Standard 4.2.4<br />Use numerical data to describe and compare objects and events. <br />(Core Standard)<br />
2. 2. The object of this Indicator Project is to enhance your abilities to gather numerical data; as well as develop your understanding of comparing objects and events in numerical data. <br />You will perform the “Sink It” activity which involves taking objects and recording whether the objects sink or float according to weight and material.<br />Objectives<br />
3. 3. Bowl of water<br />Penny<br />Foil<br />Marble<br />Paper clip<br />Wood log<br />Paper<br />Rubber ball<br />Zebra toy<br />Worm<br />Materials<br /><ul><li>Button
4. 4. Key
5. 5. Clothes pin
6. 6. Spoon
7. 7. Doll
8. 8. Tweezers
9. 9. Sink It-Data Table activity sheet.
10. 10. Recording Data Tables.
11. 11. Blank piece of paper.</li></li></ul><li>Have you ever dropped a small item in a bowl of water and it sunk?<br />Maybe you have dropped a larger item in a bowl of water and it floated?<br />Have you ever wondered why certain items floated in water and why other items sink?<br />Do you think how much an object weighs has anything to do with it sinking or floating?<br />Sink It!<br />
12. 12. Put the objects found in the plastic container into categories you feel best affects the objects sinking or floating (color, size, shape, material, etc.) <br />Write down the name of each object on the<br /> “Sink It” Activity sheet. <br />Weigh each object in grams and predict whether you think the objects will sink or float. <br />Write down predictions on the activity sheet as and record the weight in the “Notes” column on activity sheet.<br />http://www.sciencenetlinks.com/pdfs/sinkit_actsheet.pdf<br />Pre-Activity<br />
13. 13. After you write down your predictions, take each item, place it in the bowl of water and record the results.<br />Things to think about as you test:<br />How much water is in the bowl for each item you test?<br />How are you going to put the item in the bowl of water? Dropping it? If yes, then from how high?<br />What is your definition of floating? Anything not on the bottom of the bowl? Or does it have to come to the water’s surface? <br />Recording Data<br />
14. 14. After testing, reorganize your categories if needed according to results (such as weight, metal, plastic, glass, etc.)<br />Record your final results in the “Recording Data” tables.<br />Reorganize<br />
15. 15. Recording Data<br />
16. 16. Recording Data<br />
17. 17. Recording Data<br />
18. 18. Which items did you find to be the most “buoyant?”<br />Did the materials each object is made of influence if the item floated or sank?<br />Did the “density” cause the object to float or sink?<br />Definitions:<br />buoyant: having buoyancy, capable of floating<br />Density:thequantity per unit volume, unit area, or unit length: as a: the mass of a substance per unit volume or sphere of.<br />Discussion Questions<br />
19. 19. On a piece of paper, write down some of the similarities of each category you created, and write down some of the differences.<br />Were there any objects that surprised you the most by sinking or floating?<br />Were there any objects you knew would sink or swim before you tested the them?<br />Reflect<br />
20. 20. Please write a brief paragraph about why you think a piece of wood floats:<br />________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________<br />Assessment Question<br />