Everything you need to know about the food tests GCSE practical. We cover the:<br/>
- Ben<br/>edicts <br/>Test- Iodine<br/> Test
- Biuret Test
- Sudan III Test
- Emulsion test (edexcel only)

This video covers: - Why do things rust? What are the conditions for rusting? - Whats the chemical equation for rusting? - Corrosion experiment - How to prevent rusting by using the barrier method or sacrificial method - What is...

In this video, you'll learn:<br/>
- The test for detecting c<br/>hlorine gas
- The test fo<br/>r detecting oxygen gas
- Th<br/>e test for detecting hydrogen gas
- The test for detecting carbon dioxide gas

Dr. Forrester describes the body’s digestive system. She highlights each component of the system and explains how the mouth, esophagus, stomach, liver, pancreas, and the intestines work to process the food and liquids that we eat and drink.

With the marine segmented worms covered, let's get a closer look at Oligochaeta and Hirudinea, which include the familiar earthworms, and the leeches. The anatomy and physiology of the common earthworm is actually quite fascinating,...

With various environments better understood, it's now time to look at specific types of organisms. Let's start with plants, also known as flora. We learned about these in the botany series, but now let's contextualize some of that...

Use an online physics simulator to compare the real-world behavior of a physical device like a catapult, ball run, or Rube Goldberg machine to a computer simulation in this fun science project.

HVAC Heat Exchangers. In this video we'll be answering what is a heat exchanger, how does a heat exchanger work and then using 3D models we'll review real world applications to help you learn HVAC heat exchangers and building services.....

Shell and tube heat exchangers. Learn how they work in this video.<br/>

Conventional current and electron flow. In this video we briefly learn the difference between conventional current and electron flow. We learn how the electron was discovered and why battery terminals are positive and negative. What is...

Industrial heat exchangers explained, learn the different types of heat exchangers used and how they work with examples.

When your bird gets sick and needs their medication delivered by breathing it in, then you'll need a nebulizer. Archie the Amazon parrot is here to help show you how to get it done!

Movement of a Thermometer investigates heat as a form of energy by conducting an experiment that involves placing a mercury thermometer in hot water and observing the mercury expand or “rise.”

This is the 8th video of German with Puppets Series #2. In this video my puppets explain how to use the imperfect tense (simple past or narrative past) with regular verbs.

Visual demonstration of the lab factors that affect enzymes

This video explores five fun facts about butterflies.

This lesson covers some reflexive verbs dealing with daily routine and how to conjugate them. This level is a little more advanced and is for my Spanish two students.

This video lesson covers the immediate members of 'La familia'. I hope it's not too confusing. I was trying to use more Spanish and less English.

This video will demonstrate how to mix paint with a paint brush as well as a palette knife. Pure vs. mixed colors will also be discussed.

This video is answering the question of how much do caterpillars eat.

More of a curiosity than an auctual video but hey it was neat right?!

A call to action. Lets follow the lead of Matthew Inman who in an essay on his blog, "The Oatmeal",

A very short explicit definition of the political term "gerrymandering". Helpful for students in AP Government, an intro to political science course or just random peeople on the internet who through synchronicity landed here.

Design your own robotic hand for a science or engineering project! This video provides an overview of how you can make a basic hand or gripper using straws and string. For full science project instructions, visit our