Post on 13-Jan-2016
THE POWER OF NANOTHE POWER OF NANO
Created by Carrie PersingCreated by Carrie Persing
MathScience Innovation CenterMathScience Innovation Center
20082008
Using Student RespondersUsing Student Responders
To respond to a To respond to a question:question:
Wait for polling Wait for polling to be open.to be open.
Select your Select your response. response.
Look at your $10,000. How many one Look at your $10,000. How many one thousand dollar bills would it take to thousand dollar bills would it take to
make $10,000?make $10,000?
1010
00 100 50
71%
5%0%
24%
1.1. 1010
2.2. 1,000 1,000
3.3. 100 100
4.4. 5050
How many hundred dollar bills would it take How many hundred dollar bills would it take to make $10,000?to make $10,000?
10 100
1000
5000
10%
0%
20%
70%1.1. 10 10
2.2. 100100
3.3. 1,0001,000
4.4. 5,0005,000
How many ten dollar bills would it take to How many ten dollar bills would it take to make $10,000?make $10,000?
10 500
1000
5000
0% 0%
95%
5%
1.1. 1010
2.2. 500500
3.3. 1,0001,000
4.4. 5,0005,000
How many one dollar bills would it take to How many one dollar bills would it take to make $10,000?make $10,000?
500
1000
1100
1000
0
0%
100%
0%0%
1.1. 500500
2.2. 1,0001,000
3.3. 1,1001,100
4.4. 10,00010,000
Let’s make it a little harder! How many Let’s make it a little harder! How many dimes would it take to make $10,000?dimes would it take to make $10,000?
1000
000
1000
0
1000
00 10
30%
0%
65%
5%
1.1. 1,000,0001,000,000
2.2. 10,00010,000
3.3. 100,000100,000
4.4. 1010
Here is the ultimate question! How many Here is the ultimate question! How many pennies would it take to make $10,000?pennies would it take to make $10,000?
5000
1000
0
1000
000
1000
0000
00
0%
37%
63%
0%
1.1. 5,0005,000
2.2. 10,00010,000
3.3. 1,000,0001,000,000
4.4. 1,000,000,0001,000,000,000
Look at what you recorded. Do you see a Look at what you recorded. Do you see a pattern?pattern?
CurrencyCurrency # needed# needed Power of Power of TenTen
$1,000$1,000 1010
$100$100 100100
$10$10 1,0001,000
$1$1 10,00010,000
$0.10$0.10 100,000100,000
$0.01$0.01 1,000,0001,000,000
Which system of measurement Which system of measurement uses powers of ten?uses powers of ten?
The metric systemThe metric system
THE METRIC SYSTEMTHE METRIC SYSTEMMETER (m):METER (m):
*About the width of a doorway.*About the width of a doorway.
CENTIMETER (cm):CENTIMETER (cm): *About the width of a paperclip.*About the width of a paperclip.
MILLIMETER (mm):MILLIMETER (mm): *About the thickness of a dime. *About the thickness of a dime.
How Small Is SmallHow Small Is Small
Strip of paperStrip of paper
Recording sheetRecording sheet
RulerRuler
Pair of scissorsPair 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:
How Small Is SmallHow Small Is SmallDirectionsDirections
Measure the length of the strip and record Measure the length of the strip and record on sheet.on sheet.
Fold the strip in half and cut it in the Fold the strip in half and cut it in the middle. middle.
Measure new strip and record.Measure new strip and record.
Repeat the above steps until you can no Repeat the above steps until you can no longer make any more folds.longer make any more folds.
5 minutes
Nano What?Nano What?
There are more nanometers in the length of your hand than there are cars in the United States!!!
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…
Let’s ConvertLet’s Convert
How many centimeters are in a meter?How many centimeters are in a meter? * 100 or 10* 100 or 1022
How many millimeters are in a meter?How many millimeters are in a meter? * 1,000 or 10* 1,000 or 1033
How many micrometers are in a meter?How many micrometers are in a meter? * 1,000,000 or 10* 1,000,000 or 1066
How many nanometers are in a meterHow many nanometers are in a meter * 1,000,000,000 or 10* 1,000,000,000 or 1099
How many millimeters are in How many millimeters are in a meter?a meter?
100
1000
1000
0 10
6%13%
6%
75%1.1. 100100
2.2. 1,0001,000
3.3. 10,00010,000
4.4. 1010
How many nanometers are in How many nanometers are in one meter?one meter?
1000
010
0
1000
000
1000
0000
00
5%
55%
15%
25%
1.1. 10,00010,000
2.2. 100100
3.3. 1,000,0001,000,000
4.4. 1,000,000,0001,000,000,000
Let’s try to convert using a number.Let’s try to convert using a number.
Start with 3.4 meters. Look at your metric Start with 3.4 meters. Look at your metric sheet.sheet.How many jumps to you need to make to How many jumps to you need to make to get to cm? That is how many times get to cm? That is how many times you move the decimal to the right.you move the decimal to the right.
Don’t forget to add zeros into your valleys.Don’t forget to add zeros into your valleys.We’ll try two more together.We’ll try two more together.
Meter dm cm mm µ nm
24m. Is _________________ mm.
5.6m. Is _________________ nm.
A Hummer H1 is about 5 meters in A Hummer H1 is about 5 meters in length. How many millimeters is that?length. How many millimeters is that?
50 500
5000
5000
000
6%
44%
38%
13%
1.1. 50 50
2.2. 500500
3.3. 5,0005,000
4.4. 5,000,0005,000,000
The average height of a female giraffe The average height of a female giraffe is 4 meters. How many nanometers tall is 4 meters. How many nanometers tall
is that?is that?
400
4000
000
4000
4000
0000
00
0%
74%
5%
21%
1.1. 400400
2.2. 4,000,0004,000,000
3.3. 4,0004,000
4.4. 4,000,000,0004,000,000,000
You’re How Tall?You’re How Tall?Does anyone know who Does anyone know who this person is and how tall this person is and how tall he/she is?he/she is?
_________ is about ____ _________ is about ____ centimeters tall.centimeters tall.
How many nanometers tall How many nanometers tall is he/she?is he/she?
Is there another way to Is there another way to write a big number?write a big number?
SCIENTIFIC NOTATIONSCIENTIFIC NOTATION
229 cm = 2.29m229 cm = 2.29m
2.29 m = ______________ mm or 2.9 x 102.29 m = ______________ mm or 2.9 x 10
2.29 m = ______________ µ or 2.9 x 102.29 m = ______________ µ or 2.9 x 10
2.29 m = ________________nm or 2.9 x 102.29 m = ________________nm or 2.9 x 10
Each group will need the following Each group will need the following supplies:supplies:
Measuring tapeMeasuring tape
CalculatorsCalculators
PencilsPencils
Recording sheetRecording sheet
Directions:Directions:Estimate how many centimeters tall you Estimate how many centimeters tall you are.are.
Measure height of each in group.Measure height of each in group.
Record the heights on the chart.Record the heights on the chart.
Convert every ones’ heights to cm, mm, Convert every ones’ heights to cm, mm, µ, and nm.µ, and nm.
Find the mean height for your group.Find the mean height for your group.
Answer the questions on the bottom of Answer the questions on the bottom of activity sheet.activity sheet.
15 minutes
Have a wonderful day!Have a wonderful day!