In this electrical instructional activity, students answer a series of 6 open-ended questions about pulse-width signal generators. This instructional activity is printable and the answers are revealed online.

For this electrical circuit worksheet, students answer a series of 3 open-ended questions about light-pulse switches. This worksheet is printable and the answers are revealed online.

In this heart health worksheet, learners use links provided to complete an activity about the human heart, measuring pulse and graphing results.

For this electrical circuit worksheet, students research the Federal Communication Commission to determine the regulations for a non-license radio transmitter. They will answer a series of another 3 questions to show an understanding of...

 In this electrical circuit worksheet, students answer a series of 12 open-ended questions about various types of digital codes. This worksheet is printable and the answers are revealed online.

In this electrical circuit worksheet, learners answer a series of 13 open-ended questions about digital-to-analog converter circuits. They analyze schematics in order to answer the questions. This worksheet is printable and the answers...

For this online interactive Mrs. Frisby and the Rats of NIMH worksheet, students respond to 14 multiple choice reading comprehension questions regarding chapters 1-3 of the book.

  In preposition worksheet, students learn the words of location.  Students complete 10 multiple choice questions choosing the correct answer from the drop down menu.    

For this Dig Magazine archeology quiz, learners answer 12 multiple choice questions complementing the April 2008 issue. Page contains answer and additional resources link.

In this stress synonyms worksheet, students identify the words related to stress and select the best synonyms from multiple choices.

For this online quiz worksheet, students answer a set of questions about the equestrian world and related trivia. Page has a link to submit answers for correction.

Explore an active area of research in optical physics: producing designer pulse shapes to achieve specific purposes, such as breaking apart a molecule.

In this simulation, two strings with different densities are held tautly as a wave pulses along them. Variables can be changed to alter the relative densities of the strings, as well as the type of wave pulse.

Background information review of key concepts about the circulatory system, including the heart and pulse. Tis site provides diagrams, activities, and quiz questions.

Check Steve's cardiovascular health before he starts filming his dangerous wildlife special. Following the activity, read more about the heart, and then take a quick quiz to check for understanding.

This lab is designed to help students visualize the progress of a wave down a string and the way the wave pulse reflects from different boundaries.

In this simulation a series of coupled oscillators in a chain with anchored ends can be investigated for their wave properties.

A simulation for examining the transverse wave motion of a string. Wave variables can be changed using sliders. Includes suggested activities.