Introduction to the idea of a mole as a number (vs. an animal). Watch the next lesson: science / chemistry /atomic-structure- and -properties/introduction-to-compounds/v/empirical-molecular- and -structural-formulas?utm_source=YT&utm_medium=Desc&utm_campaign= chemistry  Missed the previous lesson? science / chemistry /atomic-structure- and -properties/introduction-to-the-atom/v/atomic-mass?utm_source=YT&utm_medium=Desc&utm_campaign= chemistry  Chemistry on Khan Academy: Did you know that everything is made out [More]
Subscribe for  more   science  videos : Help us transcribe this lecture: If you were able to make a substance change colour, or turn from a solid to a liquid, would that be magic? Andrew [More]
00:30 Whoosh Bottle 01:31 Chemical Cut 02:20 Gini in a bottle 3:45 Iodine Clock 05:16 Can Implosion 05:59 Dancing Green Blue Flames Our annual video, shot mainly during the last day of lessons. Our team, [More]
This video is a compilation of 10 cool  science  experiments. 0:00 Jet engine in a jar 0:52 Traveling flame 1:16 Soapy water  and  gas 1:50 Drain cleaner  and  aluminium foil reaction 2:58 Brake fluid  and  [More]
NEW ANIMEMES EVERY MON & FRI @ 6PM EST SUBSCRIBE TO BE THE FIRST TO WATCH OUR NEW VIDEOS! MOBILE VIEWERS All of our full episodes: Our newest videos: All the memes [More]
This introductory  chemistry  video tutorial explains the periodic table of the elements  and  some of its trends  and  characteristics. This video contains a few examples, concepts,  and  practice problems. It’s very useful for kids learning [More]
In which Hank tells some seriously nerdy jokes. Harry Potter, theoretical physics, Star Trek, Star Wars, Chemistry, Engineering, Philosophy, Math, Computer Science…it’s all fair game. I chose 31 because I knew I wasn’t going to [More]
One of the problems with the whole idea of a single Scientific Revolution is that some disciplines decided not to join any revolution. And others just took a long time to get there. *** Crash [More]
A,B,C,D… which answer is most common on multiple choice questions? Is the old advice to “go with C when in doubt” actually true? In this video, I’ll reveal the answer. Additionally, we’ll go over five [More]
NASA is planning a journey to Mars in the 2030s,  and  scientists are already working to supply the materials  and  other technologies astronauts will need to get to– and  survive on–the Red Planet. ↓↓More info  and  [More]
Here are 5 jobs you can get with a  science  degree or  science  major that will help you break into the pharmaceutical, biotech, dietary supplements or food industries. I mentor others to find a rewarding [More]
A mole is like a dozen. It is a name for a specific number of things. There are 12 things in a dozen,  and  602 hexillion things in a mole. We’ll talk about what moles [More]