9/2 & 9/3 - 7th Grade Agenda

Collect HW: Signed Syllabus Collect HW: Science Skill WorksheetMetric SystemClasswork: Metrics Worksheet #2Video: Where is NanoVideo: Power of 10 VideoHW: Textbook Scavenger HuntHW: Poster of Science due 9/14 & 9/15 (20 points)

Daily Reflection

• Prompt: Write 3 facts or questions about the metric system (write complete sentences).

Review Science Skill Worksheet

Where is Nano VideoPower of 10 Video

Daily Reflection

• Prompt: Write 4 facts that you learned during either the “Where is Nano” Video or Power of 10 Video (write complete sentences).

Poster of Science Project

• Due 9/14 & 9/15 • 20 Points• Create a poster on any subject related science• Need to be creative in order to get the full 20

Points• The best posters will be hung on the wall in time

for “back to school night”

What is the standard system of measurement used by scientist

around the world?

• S_______ I______________

• SI

• International System of Units

• Metric System

ystem nternational

What is the SI unit for measuring length?

• M____________eter

What is the SI unit for measuring Liquid Volume?

• L____________iter

What is the SI unit for measuring Mass?

• G____________ram

What is the SI unit for measuring Temperature?

• C____________elsius

How do we measure smaller and larger objects in SI units?

Milli-

1/1000 Centi-1/100

Deci-1/10

Kilo-X1000

Hecto-X100

Deca-X10

Through Prefixes

Here is another way to remember the prefixes

Milli-

1/1000 Centi-1/100

Deci-1/10

Kilo-X1000

Hecto-X100

Deca-X10

King Henry Does Drink Chocolate Milk

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

1 100

deci d 0.1 10¯1

centi c 0.01 10¯2

milli m 0.001 10¯3

micro µ 0.000001 10¯6

nano n 0.000000001 10¯9

pico p 0.000000000001 10¯12

femto f 0.000000000000001 10¯15

atto a 0.000000000000000001 10¯18

zepto z 0.000000000000000000001 10¯21

yocto y 0.000000000000000000000001 10¯24

How many meter is kilometer?

Milli-

1/1000 Centi-1/100

Deci-1/10

Kilo-X1000

Hecto-X100

Deca-X10

1000 meter

How many meter is centimeter?

Milli-

1/1000 Centi-1/100

Deci-1/10

Kilo-X1000

Hecto-X100

Deca-X10

1/100 meter

How big is a meter?

Thickness of a dime

Width of aFingernail

Height of adoor handle

Little more than ½ mile

How big is 1 millimeter?

Thickness of a dime

Width of aFingernail

Height of adoor handle

Little more than ½ mile

How big is 1 centimeter?

Thickness of a dime

Width of aFingernail

Height of adoor handle

Little more than ½ mile

How big is 1 kilometer?

Thickness of a dime

Width of aFingernail

Height of adoor handle

Little more than ½ mile

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

How much is 1 cm?

This is 1 cm

How much is 1 mm?

1 mm are the small unnumbered lines

Is this the correct way to measure the length of the pencil?

No! Measurement should start with the beginning of the “Tick” marks

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 10 meters10?

Powers of 10

101 = 10102 = 100103 = 1000

100 =10-1 =10-2 =10-3 =

1.1.01.001

Class Reading – Making Measurements p.672