1. 9/12 - 7th Grade Agenda Learning Objective: Learn the powers of 10
Collect HW: Textbook Scavenger Hunt
Video: Where is Metrics
HW: Metrics Worksheet #1
HW: Poster of Science due 9/15 & 9/16 (20 points)

2. Daily Reflection
Prompt: Why don’t Americans use the metric system in every day life?

3. Loose 1 point if you don’t put your First Name and Last Name on your assignment.

4. Class Reading – Making Measurements p.672

5. What is the standard system of measurement used by scientist around the world?
S_______ I______________ SI
International System of Units
Metric System
ystem
nternational

6. What is the SI unit for measuring length?
eter
M____________

7. What is the SI unit for measuring Liquid Volume?
iter
L____________

8. What is the SI unit for measuring Mass?
ram
G____________

9. What is the SI unit for measuring Temperature?
elsius
C____________

10. How do we measure smaller and larger objects in SI units?
Through Prefixes
Kilo-
X1000
Hecto-
X100
Deca-
X10
Deci-
1/10
Centi-
1/100
Milli-
1/1000

11. Here is another way to remember the prefixes
King Henry Does Drink Chocolate Milk
Kilo-
X1000
Hecto-
X100
Deca-
X10
Deci-
1/10
Centi-
1/100
Milli-
1/1000

12. Prefix
Symbol
Multiplier
Exponential
yotta Y
1,000,000,000,000,000,000,000,000
1024
zetta Z
1,000,000,000,000,000,000,000
1021
exa E
1,000,000,000,000,000,000
1018
peta P
1,000,000,000,000,000
1015
tera T
1,000,000,000,000
1012
giga G
1,000,000,000
109
mega M
1,000,000
106
kilo k
1,000
103
hecto h
100
102
deca da 10
101 1
deci d
0.1
10¯1
centi c
0.01
10¯2
milli m
0.001
10¯3
micro
10¯6
nano n
10¯9
pico p
10¯12
femto f
10¯15
atto a
10¯18
zepto z
10¯21
yocto y
10¯24

13. How many meter in a kilometer?
X1000
Hecto-
X100
Deca-
X10
Deci-
1/10
Centi-
1/100
Milli-
1/1000

14. How many meter in a centimeter?
Kilo-
X1000
Hecto-
X100
Deca-
X10
Deci-
1/10
Centi-
1/100
Milli-
1/1000

15. How big is a meter? Width of a Thickness Height of a Little more
of a dime
Width of a
Fingernail
Height of a
door handle
Little more
than ½ mile

16. How big is 1 millimeter? Width of a Thickness Height of a Little more
of a dime
Width of a
Fingernail
Height of a
door handle
Little more
than ½ mile

17. How big is 1 centimeter? Width of a Thickness Height of a Little more
of a dime
Width of a
Fingernail
Height of a
door handle
Little more
than ½ mile

18. How big is 1 kilometer? Width of a Thickness Height of a Little more
of a dime
Width of a
Fingernail
Height of a
door handle
Little more
than ½ mile

19. Which side of the ruler measures metric units?
The side with the smaller lines measures in metric units
The side with the larger lines measures in inches

20. How much is 1 cm?
This is 1 cm

21. 1 mm are the small unnumbered lines
How much is 1 mm?
1 mm are the small unnumbered lines

22. Is this the correct way to measure the length of the pencil?
No! Measurement should start with
the beginning of the “Tick” marks

23. 10 ? 100 Centimeter = _____ Decimeter
For every step upward on the chart you are dividing by 10 or moving the decimal one place to the left..
How do we convert from Centimeter to Decimeter? 10 ?
100 Centimeter = _____ Decimeter

24. For every step downward on the chart you are multiplying by 10 or moving one place value to the right.
How do we convert from Kilometer to Meter?
100,000 ?
100 Kilometer = _________ Meter

25. The sun is about 150,000,000,000 meters from earth
What is another way to write the same number without writing all the zeros?
Power or 10
15 X meters 10 ?

26. Powers of 10
103 =
1000
102 =
100
101 = 10
100 = 1
10-1 = .1
10-2 =
.01
10-3 =
.001

27. Why should we use the metric system or System International?
All the countries around the world including United States uses the metric system
Its easier to divide or multiply by 10 than by 12 or 5280 (i.e. English System)

29. Daily Reflection
Write 3 facts you learned or questions that you have from the video

30. Power of 10 Website