Science is Fun
Science Is Fun: The Fireproof Balloon
In this experiment, two balloons are each placed over a lighted match, but the one that has had water placed inside it does not burst. Includes an explanation of why that is so.
Khan Academy
Khan Academy: Photoelectric Effect
Article explains the experiments on the photoelectric effect and how these experiments led to the idea of light behaving as a particle of energy called a photon.
Khan Academy
Khan Academy: Photoelectric Effect
Explaining the experiments on the photoelectric effect. How these experiments led to the idea of light behaving as a particle of energy called a photon.
Science Education Resource Center at Carleton College
Serc: Flame Test
In this physical science experiment, students investigate the release of energy by observing the color of light produced when salts are heated in the flame of a burner. Students will identify the metal ion of the substance by the color...
Creative Science Centre
Creative Science Centre: Demonstration of Radio Waves Generated by Mobile Phone
Described is a simple low cost home-made device that converts the radio wave energy from a mobile phone signal into electricity to light an LED. No battery or complex circuitry is required. The device can form the basis of a range of...