Quick Quiz 8-24-10
Greg’s car gets 20 miles per gallon. If Greg wants
to go on a vacation to San Antonio which is 250
miles away, how much will it cost him (assuming
gas is $2.50 per gallon)?
Week 1
Today we will finish the syllabus and move on to Safety. You will learn
about safety guidelines and why they are necessary.
Greg’s car gets 20 miles per gallon. If Greg wants to go on a vacation to
San Antonio which is 260 miles away, how much will it cost him
(assuming gas is $2.50 per gallon)?
Find conversion Factors
20 miles = 1 gallon of gas
1 gallon of gas = $2.50
Given 260 miles how many gallons of gas are needed
260 miles
x
1
1 gallon of gas
=
20 miles
13 gallons
of gas
Finding cost of gas
13 gallons of gas
1
x
$2.50
= $32.5
1 gallon of gas
Answer = $32.5
Week 1
Today we will finish the syllabus and move on to Safety. You will learn
about safety guidelines and why they are necessary.
Quick Quiz 8-25-10
A toy car with a width of 3cm is made in Canada.
What width must be placed on the package if it is
sold in America (convert cm to inches)?
2.54 cm = 1 inch
Week 1
You will learn about safety guidelines and why they are necessary.
A toy car with a width of 3 cm is made in Canada. What width must be
placed on the package if it is sold in America (convert cm to inches)?
Find conversion Factors
2.54 cm = 1 inch
Given 260 miles how many gallons of gas are needed
3cm
1
x
1 inch
2.54 cm
=
1.18
inches
Week 1
Today we will finish the syllabus and move on to Safety. You will learn
about safety guidelines and why they are necessary.
Quick Quiz 8-26-10
Use Dimensional analysis(what I have been
showing you the last two days) to convert 187
days to seconds.
Week 1
You will build on your knowledge of dimensional analysis and
demonstrate your understanding of the safety guidelines.
Use Dimensional analysis(what I have been showing you the last two
days) to convert 187 days to seconds.
Known and Unknown
187 days = ? Seconds
Find conversion Factors
60 Sec = 1 Min
1 Hour = 60 Min
1 Day = 24 Hours
Convert Days to Hours
187 Days
24 Hours
x
1
1 Day
= 4,488 Hours
Convert Hours to Min
4488 Hours
x
1
= 269,280 Min
60 Min
1 Hour
Convert Min to Seconds
269280 Min
60 Sec
x
1
1 Min
= 16,156,800 Sec
Week 1
You will build on your knowledge of dimensional analysis and
demonstrate your understanding of the safety guidelines.
Quick Quiz 8-27-10
Use Dimensional analysis(what I have been
showing you the last two days) to 22.5 meters to
feet. (Hint: 1 Inch = 2.54cm)
Week 1
You will build on your knowledge of dimensional analysis and
demonstrate your understanding of the safety guidelines.
Use Dimensional analysis(what I have been showing you the last two
days) to 22.5 meters to feet. (Hint: 1 Inch = 2.54cm)
Known and Unknown
22.5 meters = ? inches
Find conversion Factors
1 meter = 100 cm
1 inch = 2.54 cm
12 inches = 1 foot
Convert meters to cm
22.5 meters
x
1
100 cm
Convert cm to inches
225 cm
x
1
1 inch
= 2250 cm
1 meter
= 885.83 inches
2.54 cm
Convert inches to feet
885.83 Inches
1 foot
x
1
12 inches
= 73.82 Feet
Week 1
You will build on your knowledge of Lab Equipment and how to use it.