In Part 2 of a discussion on static electricity, Dr. Boyd shows you the effect static electricity has on water. 0:00 – Introduction 0:07 – Explanation of Static Electricity 0:50 – What you’ll need 1:28 – Polarity of Water 2:10 – Brief...

Red Sprites, Blue Jets, Gigantic Jets and Elves!

Thunderstorms can be an impressive sight, but how are they formed? What is happening deep inside certain clouds to create such huge bolts of energy? Earth Science - Weather - Learning Points. Thunderstorms form in dense tall clouds...

We use a Van de Graaff generator to investigate static electricity. The generator is turned on and we see a spark move between the two domes. We then place a wig on the main dome and see the hair rise as the charge builds and the hairs...

This video explores the life of Jackie Robinson, the first Black Major League Baseball player of the modern era. Learn about his journey from a four-sport athlete to his groundbreaking debut with the Brooklyn Dodgers in 1947, the...

After her honorable discharge, Deborah Sampson returned to Massachusetts. Initially, she continuined to live as a man, adopting the identity of her younger brother. She later married Benjamin Gannett, raised four children, and faced...

This video covers: - That static charge builds up on non-conducting materials by the transfer of electrons - Static charge doesn't normally build up on conducting materials, but can occasionally - When static charge is discharged it can...

Electric motor speed controller. In this video we learn how to design a simple PWM speed controller for a DC motor learning how current flows in the circuit and what each component does. You can even build the circuit yourself!

LED brightness dimmer controller. In this video we learn how to design and build a circuit to control the brightness of our LED strip lights. You can even build the circuit yourself!

Learn how to calculate circuits with capacitors in parallel with this tutorial on electronic engineering.

Learn how to calculate the discharging time of a capacitor with a resistor in this RC circuit charging tutorial with works examples

Learn how to calculate the charging time of a capacitor with a resistor in this RC circuit charging tutorial with works examples

When Chili Pepper the Patagonian Cavy displayed something unusual he needed to be seen by a veterinarian. Join Jessi and Chili Pepper on their adventure to the vet!

Even when your phone is idle, the battery keeps draining for a few key reasons. First, background apps and services are still running, using CPU power and data. Also, the screen stays on for notifications and uses power. In addition,...

20000 Volts Vs a Pickle

Lightning is spectacular, from a distance. It's nature's way of transferring electricity within the sky, or between the sky and the ground. When lightning is nearby, it is a threat to safety. People are struck by lightning, in many cases...

Clean Water Act - Exception or Variances

Pumps; they come in all different types, sizes, and functionalities. If you are going into industrial work at some point you are going to be working with pumps and you need to understand how these pumps work and differ from each...

Vane pumps are positively-displaced pumps with two or more vanes attached to the rotor to move the liquid through the pump. Vanes are either sliding or flexible. In this simple course by CTE Skills Training, you will become...

Learn the basics about different types of chemical industries, from agriculture to pharmaceutical to energy, and many other uses. In this video, we consider the environmental impact caused by a range of different types of chemical...

Primary Participants in Bankruptcy Process

Screw pumps are rotary, positive displacement pumps that can have one or more screws to transfer high or low viscosity fluids along an axis. A single screw rotary pump is also known as a progressive cavity (a PC pump). In...

In this week’s episode, we learn what makes cheetah’s specialized hunters; new ways of remotely sensing water trends, and finally, we examine fruit bat sonar. Check it out!

This CTE Health Sciences video focuses on the proper use, pronuciation and definitions of the medical terminology pertaining to the Digestive System.