1. 8th Grade Physical Science
Lecture #1:
Measuring Distance/Length
8th Grade Physical Science
Ms. McKinley

2. ALL SCIENTISTS use the metric system. 2 systems of measurement
American system
Used in USA
Ex: inches, feet, yards
Metric System (SI)
Used all over the world
Ex: meters
ALL SCIENTISTS use the metric system.
2 systems of measurement

3. 1 kilometer (km) = 1000 meters (m) 1 meter (m) = 100 centimeters (cm)
1 meter (m) = 1000 millimeters (mm)
Meter Stick

4. 1 centimeter = 10 millimeters
Measuring Length
1 centimeter = 10 millimeters
How many millimeters are in 1 centimeter?
What is the length of the line in centimeters? _______cm
What is the length of the line in millimeters? _______mm