Test your skills at reading a ruler.
The Multiplexer/Demultiplexer IC Data Transfer Circuit
By Terry Bartelt
In this animated activity, the learner examines how a 74150 IC multiplexer and a 74154 IC demultiplexer work together when their data select lines are connected to the same input devices.
Value-Added vs. Non-Value-Added Activities
By Terry Bartelt, Terry Fleischman
In this interactive object, learners read a description of value-added and non-value-added activities and then place various work duties into these two categories.
Print Reading: Mounting Wedge
By Kelly Curran
Learners test their ability to visualize a mounting wedge in this interactive exercise that features animated pictorial views.
In this learning activity you'll explore the operation of a NAND gate using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
Everyone Knows How to Use a Ruler, Right?
By Barbara Anderegg
Students review the best practices for using a ruler and answer five basic questions.
Basic Science and Measurement Vocabulary Review
Chapter 1 Science Vocabulary.
Structural Metal Identification 1
The learner will identify and measure common structural materials used in metal fabrication.
Unit Conversion in the Metric System: Area
You'll practice converting units of measure for area in the metric system.
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