2. THE POWER OF NANO Created by Carrie Persing MathScience Innovation Center 2008

3. Using Student Responders To respond to a question: Wait for polling to be open. Select your response.

4. Look at your $10,000. How many one thousand dollar bills would it take to make $10,000? 1. 10 2. 1,000 3. 100 4. 50

5. How many hundred dollar bills would it take to make $10,000? 1. 10 2. 100 3. 1,000 4. 5,000

6. How many ten dollar bills would it take to make $10,000? 1. 10 2. 500 3. 1,000 4. 5,000

7. How many one dollar bills would it take to make $10,000? 1. 500 2. 1,000 3. 1,100 4. 10,000

8. Let’s make it a little harder! How many dimes would it take to make $10,000? 1. 1,000,000 2. 1 0,000 3. 1 00,000 4. 1 0

9. Here is the ultimate question! How many pennies would it take to make $10,000? 1. 5,000 2. 10,000 3. 1,000,000 4. 1,000,000,000

10. Look at what you recorded. Do you see a pattern? Currency # needed Power of Ten $1,00010 $100100 $101,000 $110,000 $0.10100,000 $0.011,000,000

11. Which system of measurement uses powers of ten? The metric system

12. THE METRIC SYSTEM METER (m): *About the width of a doorway. CENTIMETER (cm): *About the width of a paperclip. MILLIMETER (mm): *About the thickness of a dime.

13. How Small Is Small Strip of paper Recording sheet Ruler Pair of scissors We are going to try an experiment to see how small we can make a strip of paper. Each student will need the following materials:

14. How Small Is Small Directions Measure the length of the strip and record on sheet. Fold the strip in half and cut it in the middle. Measure new strip and record. Repeat the above steps until you can no longer make any more folds. 5 minutes

15. Nano What?

21. There are more nanometers in the length of your hand than there are cars in the United States!!!

22. Meter dm cm mm µ nm The metric system is a base ten system so each unit is ten times larger or smaller than the unit before it. 1 Meter is…

23. Let’s Convert How many centimeters are in a meter? * 100 or 10 2 * 100 or 10 2 How many millimeters are in a meter? * 1,000 or 10 3 * 1,000 or 10 3 How many micrometers are in a meter? * 1,000,000 or 10 6 * 1,000,000 or 10 6 How many nanometers are in a meter * 1,000,000,000 or 10 9 * 1,000,000,000 or 10 9

24. How many millimeters are in a meter? 1. 100 2. 1,000 3. 10,000 4. 10

25. How many nanometers are in one meter? 1. 1 0,000 2. 1 00 3. 1,000,000 4. 1,000,000,000

26. Let’s try to convert using a number. Start with 3.4 meters. Look at your metric sheet. How many jumps to you need to make to get to cm? That is how many times you move the decimal to the right. Don’t forget to add zeros into your valleys. We’ll try two more together.

27. Meter dm cm mm µ nm 24m. Is _________________ mm. 5.6m. Is _________________ nm.

28. A Hummer H1 is about 5 meters in length. How many millimeters is that? 1. 50 2. 500 3. 5,000 4. 5,000,000

29. The average height of a female giraffe is 4 meters. How many nanometers tall is that? 1. 400 2. 4,000,000 3. 4,000 4. 4,000,000,000

30. You’re How Tall? Does anyone know who this person is and how tall he/she is? _________ is about ____ centimeters tall. How many nanometers tall is he/she? Is there another way to write a big number?

31. SCIENTIFIC NOTATION 229 cm = 2.29m 2.29 m = ______________ mm or 2.9 x 10 2.29 m = ______________ µ or 2.9 x 10 2.29 m = ________________nm or 2.9 x 10

32. Each group will need the following supplies: Measuring tape Calculators Pencils Recording sheet

33. Directions: Estimate how many centimeters tall you are. Measure height of each in group. Record the heights on the chart. Convert every ones’ heights to cm, mm, µ, and nm. Find the mean height for your group. Answer the questions on the bottom of activity sheet. 15 minutes

34. Have a wonderful day!