Bees as well as other flying insects develop a positive charge on their bodies as they fly through the air. This happens because as they fly, the friction between their bodies and air molecules rubs … [Read more...]
Energy Ball: Electric Circuits
Modeling Open and Closed Circuits Inside the ping-pong shaped energy ball is a battery, light, and buzzer. These parts are connected to each other by an electrical conducting wire, which means … [Read more...]
Electric Circuit
An electric circuit is the path in which electrons flow. In the diagram above, the cell (battery) provides the power, which moves electrons through the circuit. An electric circuit … [Read more...]
Heat Energy
How Thermal Energy is Measured Thermal energy is the total kinetic energy of a material. Kinetic energy is the energy of moving objects. Please point out that kinetic energy does not make things … [Read more...]
Why Scorpions Glow in UV Light?
Glow In the Dark Chemicals The exoskeleton of scorpions contain phosphors, which are chemical that can absorb high energy photons of invisible UV light and emit lower energy photons of … [Read more...]
Electromagnetic Radiation: Infrared Light
The Sun Emits Electromagnetic Radiation Please don't panic! Yes, I understand that the term electromagnetic radiation is a lot to swollen. But many adults learned the word … [Read more...]
Vision: Why we see things
Why do we see different colors? Why does cloth look darker when it is wet? Electromagnetic radiation is light energy. The Sun emits electromagnetic radiation, which contains gamma rays, x-rays, … [Read more...]
Swimming Noodle Science
Use a swimming noodle to demonstrate that light travels in a straight line until it strikes an object. Hold a flashlight at one end of a swimming noodle. Ask a helper to to point the other end … [Read more...]