Free Science Videos and Lectures

Here is an experiment where sodium reacts with four different acids - 6M HCl, 12M HCl, 6M HNO3 and 15M HNO3.

The reaction with 15M HNO3 is the fastest and 12M HCl is the slowest reaction and it...

This science video contains:
experiment, reaction, sodium, HCl, HNO3, acid, fast, slow, hydrochloric acid, nitric acid

First waves in a large free sphere of water in weightlessness are examined.

A large free sphere of water 130mm in diameter. A puff of air is put radially directed from side and we look at the...

This science video contains:
experiment, zero g, 0g, weightlessness, water, sphere, surface waves, body waves, water droplets, elastic collisions, effervescent antacid tablet, chemical reaction

The experiment "Volcano" is created using just ammonium dichromate which when burned creates this spectacular volcano effect.

For your information, ammonium dichromate, sometimes known as Vesuvian...

This science video contains:
experiment, burning, fire, volcano, ammonium dichromate, vesuvian fire

The best physics lecturer Walter Lewin makes another wonderful physics demonstration after having read a lecture on batteries.

The battery he creates has a huge potential difference - 10 to 20...

This science video contains:
experiment, current, walter lewin, physics, demonstration, battery, emf, polarization, hydrogen, potential, sparks

Dr. Quantum explains the importance of double slit experiment in physics.

If we randomly shoot small objects, say marbles, at the screen through a slit we see a pattern on the wall where they went...

This science video contains:
quantum physics, double slit, experiment, marbles, electrons, pattern, waves, interference, particles, superposition, matter, wave function