Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.
ElectroMagnetic Radio Waves
By Terry Bartelt
In this animated object, learners examine how magnetic waves are transmitted as radio signals.
The Work Performed in a Hydraulic System
In this interactive object, learners examine how work is performed in foot-pounds by a hydraulic system that uses a pump and cylinder. A brief quiz completes the activity.
Learners read an explanation of the concept of apparent power in a power distribution system involving motors, generators, and transformers. A quiz completes this interactive lesson.
By Terry Bartelt, Stephen Schneider
Learners view an animation of a counterbalance valve in operation and examine the valve’s internal structure.
How to Convert from One Unit to Another in the Metric System
By Nabila Dahche
In this learning activity you'll practice converting from one metric unit to another.
Multiplying and Dividing Signed Numbers
By Mona Wenrich
Students read the rules used in multiplying and dividing signed numbers. They view examples and work practice problems.
Multiplication of a String of Signed Numbers
Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.
Adding and Subtracting Signed Numbers
Learners follow the steps for adding and subtracting signed numbers and complete practice exercises.
The Current Divider Rule (CDR) with Complex Numbers
By Patrick Hoppe
Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.
Converting hexadecimal, binary and decimal numbers.
Medical Terminology for Muscular System
Use the definition to guess the word or prefix and save the moon!
The Planets: Uranus
Uranus [yoor-uh-nuh s] is the seventh planet from the Sun. It’s barely visible to the naked eye, and is the first planet discovered with the use of a telescope.
Creative Commons Attribution-NonCommercial 4.0 International License.
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Give your new group a name.