1. 9/2 - 8th Grade Agenda
Learning Objective: Learn about Scientific Inquiry
Collect HW: Metrics Worksheet #2
Video: Power of 10
HW: Metrics Worksheet #3
HW: Poster of Science Project 9/9 & 9/10 (20 Points)

2. Daily Reflection
Prompt: Why do scientists use the metric system?

3. Don’t forget to write “Absent” on top of your assignment if you were absent.

4. 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

5. 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

6. 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

7. 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

8. 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 ?

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

10. Thinking like a Scientist
Scientists use skills such as obs_______, infe______, pred_______, clas______, and making models to learn more about the world and make scientific progress
erving
rring
icting
sifying

11. Observing
Observing means using one or more of your sen_____ to gather information.
ses

12. Quantitative observation deal with num____ or amounts.
bers
Can you give me an example?
20% of the students passed the test.

13. Qualitative Observation deal with desc_______ that cannot be expressed in numbers
riptions
Can you give me an example?
The chimp appears sad.

14. Inferring
When you exp_____ or interp____ the things you observe, you are inferring or making an inference
lain
ret

15. cast erience dence Predicting
Predicting means making a fore____ of what will happen in the future based on past exp__________ or evi_______.
cast
erience
dence

16. Classifying
Classifying is the process of gro_____ together items that are alike in some way
uping

17. Making models
Making models involves creating repre_________ of complex objects or processes.
sentations