WarmUp Questions

1
Warm-Up Questions

• Each day as you walk into class, Ill have a
  Warm-Up Question on the screen for you to respond
  to.
• Each day in your notebook
• Write todays date
• Write your response to the Warm-Up Question

2
Todays Warm-Up

• What is the purpose of science?

3

• Physics Website
• Go to Gig Harbor High School site
• www.gigharborhs.psd401.net/
• Under the Stay Connected tab, click on Classroom
  Websites
• Click on Dennis Johnson
• Bookmark the site and add it to your favorites so
  you can easily find it in the future.
• Refresh the page often in case I make any updates.

4
Physics Website

• On the Physics Website youll find links to
• The physics syllabus
• The format for physics lab write-ups
• Our daily calendar
• Check the calendar often
• Youll often need to print out worksheets, labs,
  etc., from the website before coming to class.

5
Your Homework

• With your parent(s) / guardian(s), go to the
  Physics Website and familiarize yourselves with
  it
• Read through the syllabus
• From your parents / guardians e-mail address,
  answer the questions at the end of the syllabus
• E-mail the responses to me

6
SI Units (Systeme Internationale)

• Throughout the world, these simple units are used
  to ensure that everyone understands everyone
  else
• Meters (m) distance
• Seconds (s) time
• Grams (g) mass

7
Greek Prefixes

• These common prefixes are used to indicate very
  large or very small amounts of stuff
• Mega- (M) 1,000,000 one million
• kilo- (k) 1,000 one thousand
• centi- (c) .01 one hundredth
• milli- (m) .001 one thousandth
• micro- (µ) .000001 one millionth

8

• Put the prefixes with the units to get a
  wonderful system of measurement!
• Examples
• kg kilogram (one thousand grams)
• Mm Megameter (one million meters)
• ms millisecond (one thousandth of a second)

9
Metric Prefixes
Base Units meters seconds grams liters
milli (m)
deci (d)
micro (µ)
Mega (M)
centi (c)
Kilo (k)
Deka (Da)
Hecto (H)
1000000
100
10
1000
.1
.01
.001
1
.000001
10
Try these on your own

• How many centimeters (cm) are in one kilometer
  (km)?
• How many kilograms (kg) are in one Megagram (Mg)?
• How many microseconds (µs) are in one Megasecond
  (Ms)?