Animation to highlight reasons for American metric conversion. Introduces the meter, liter, kilogram and Celsius. Emphasizes prefixes and stresses the decimal nature of the metric system. Points out the benefits of conversion.
2009 • 8.1 ★
2019 • 8.1 ★
1997 • 7.9 ★
2010 • 8.2 ★
2019 • 7.4 ★
