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

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

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

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