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...]
Testing the Strength of Egg Shells
Why hens don't break the eggs they sit on! The secret to hens being able to sit on their eggs without cracking them has to do with their dome-shaped ends. A dome is a three-dimensional arch, … [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...]
Forces: Balloon Rocket
In the photo, kindergarten students are using a balloon rocket to learn about forces. How to make a balloon rocket: 1. In the photo shown, a string is stretched between two chairs. Decide where … [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...]
Film Canister Rockets
https://youtu.be/77nSpa0gnwQ https://youtu.be/mWub8U9C9r0 How to Make a Film Canister Rocket WEAR SAFETY GLASSES. Why the film canister flies upward. … [Read more...]
Newton’s First Law: Inertia
Inertia: Newton's First Law of Motion Newton's First Law of Motion: The Law of Inertia states: If the forces acting on an object are balanced, then the object will not accelerate (increase in … [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...]