Students view a dc analysis of a base-biased NPN transistor.
The Horizontal Portion of the Sine Wave
By Terry Bartelt
In this animated object, learners examine cycles, frequency, Hertz, wavelengths, and periods. A brief quiz completes the activity.
The TI-86 Calculator: The Square Root Function
By Patrick Hoppe
Students read step-by-step instructions for determining the square root of a number using the TI-86 calculator.
Total Resistance of a Series-Parallel Circuit: Practice Problems 2
By Terry Bartelt, Terry Fleischman
Learners work practice problems to calculate the total resistance of a circuit. Feedback is provided.
Thru-Beam Photoelectric Sensors
This animated lesson shows the operation and characteristics of thru-beam optical sensors.
Parts of Speech in Sentences: The Order of Operations
By David Hardgrove
Learners identify the parts of speech by following a certain order until each word in a sentence is labeled. In a variety of exercises, learners practice finding verbs, prepositional phrases, subjects, nouns, pronouns, adjectives, adverbs, and conjunctions.
Reading and Interpreting Bar Graphs
By Francine Nettesheim
In this learning activity you'll identify the various parts of a bar graph, read and interpret its data, and calculate the data to solve various application problems.
Financial Statement Analysis
By Lynette Teal
Learners read the definitions of working capital, current ratio, quick ratio, return on equity, accounts receivable turnover, and inventory turnover.
Cash Basis Accounting
By Julie Dilling
In this interactive object, learners read a brief summary of the principles of cash basis accounting and then check their knowledge of transactions in a drag-and-drop exercise.
Oscilloscope: DC Voltage Measurements
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
Properties of Exponents: Multiplication Rule - Set 2
You'll practice solving problems using the rule for multiplying powers with the same base.
You'll review and learn biology HSA terms.
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