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.
Transistor Fundamentals: JFET Amplifiers
By Patrick Hoppe
Students read an explanation of the common-source and source-follower amplifiers. Gain formulas are developed and an example is given.
The Spring-and-Diaphragm Actuator
By Terry Bartelt
Learners study an animation of a spring-and diaphragm actuator controlling the opening of a flow valve.
Interlocking Ladder Diagrams
Learners examine how a ladder logic circuit becomes latched when a normally open pushbutton is momentarily pressed.
The Neutral Current of an Edison Wire System
Learners take a close look at the Edison Wire System and observe how the current values through the two lines and the neutral of the system change as the loads vary.
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
Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.
Rounding Decimal Numbers - 2 Choices (Set 2)
You'll determine which of two options is the correct choice for rounding a given number to the nearest tenth, hundredth, or thousandth.
Medical Terminology: Female Reproductive System
Female Reproductive System
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.
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