In this animated object, learners examine why and when the Kelvin scale is used. A brief quiz completes the activity.

Learners study the process of mathematically converting temperatures between the Fahrenheit and Celsius scales.

Learners compare the three scales used in pressure measurements: gage, absolute, and vacuum. A brief quiz completes the activity.

In this learning activity you'll follow 11 steps to take measurements using a Vernier caliper.

Students review the best practices for using a ruler and answer five basic questions.

Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.

In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.

Learners examine the proper way to set up standard and metric micrometers to measure the wear on a brake drum.

Learners follow procedures for measuring resistance using an analog ohmmeter. They examine the use of the Function Switch and the Range Switch and practice reading a non-linear scale. A brief quiz completes the activity.

In this colorful, interactive object, learners examine how materials on the nanoscale compare with those on the macroscale. The focus is on the difference between macroscale and nanoscale gold in both color and melting point.

Students examine the procedure to measure current with an analog ammeter. The use of Function and Range switches is explored along with reading the needle position on the meter scale. A brief quiz completes the activity.

Learners view illustrations showing the direct dependence of the volume of a gas on temperature and consider the relationship between the Kelvin and Celsius temperature scales.