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Electrically Charged Bees

January 25, 2021 By Janice VanCleave

Bee has a positive electrostatic charge which attracts pollen.

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...]

Filed Under: electricity, insects, Physics, static electricity Tagged With: bees, electrons, electrostatic attraction, flowers, friction, induced charge, pollen, protons, repell, static charges

Testing the Strength of Egg Shells

January 23, 2020 By Janice VanCleave

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...]

Filed Under: Featured, Physics Tagged With: arc, compression, dome structure, forces, hatching goose eggs, strength of egg shells, tension, Thomas Edison

Energy Ball: Electric Circuits

December 6, 2016 By Janice VanCleave

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...]

Filed Under: electricity, Physics Tagged With: battery, bulb, buzzer, Circle of Kids, closed circuit, electric circuit, electric current, electricity, electrodes, electrons, Energy Ball, open circuit, terminals

Electric Circuit

December 5, 2016 By Janice VanCleave

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...]

Filed Under: electricity, Physics Tagged With: battery, broken circuit, cell, closed circuit, closed switch, conductor, electric circuit, electric current, electrons, open circuit, open switch

Forces: Balloon Rocket

November 27, 2016 By Janice VanCleave

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...]

Filed Under: forces and motion, Physics, rocket: balloon Tagged With: air, balloon, Balloon Rocket Projects, comparisons, dependent variable, force, independent variable, project question, rocket, variables

Heat Energy

November 8, 2016 By Janice VanCleave

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...]

Filed Under: energy, heat energy, Physics Tagged With: Anders Celsius, conductor, Daniel Gabriel Fahrenheit, dcale, degrees Celsius, degrees Fahrenheit, heat, insulator, kinetic energy, temperature, thermal energy, thermometer, toxic

Film Canister Rockets

October 28, 2016 By Janice VanCleave

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...]

Filed Under: Physics, rocket: film canister Tagged With: Action/Reaction, film canister rockets, forces, Newton's Third Law of Motion

Newton’s First Law: Inertia

October 24, 2016 By Janice VanCleave

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...]

Filed Under: Newton's Laws of Motion, Physics Tagged With: acceleration, astronaught, balanced forces, cars, contant velocity, elephant, equilibrium, fat-slim cat, force, gravity, inertia, Law of Inertia, mass, net force, Newton's First Law of Motion, penguin, resistance, state of motion, stationary, swing, velocity, weight

Why Scorpions Glow in UV Light?

September 18, 2016 By Janice VanCleave

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...]

Filed Under: fluorescent, light, Physics Tagged With: black light, exoskeleton, fluorescent, fluorescent phosphor, glow in the dark, phosphor, photon, scorpion, UV light, Vaseline, visible light

Electromagnetic Radiation: Infrared Light

September 7, 2016 By Janice VanCleave

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...]

Filed Under: electromagnetic radiation, light, Physics Tagged With: earth's atmosphere, electromagnetic radiation, infrared light, infrared radiation, invisible, opaque, snakes, transparent, visible, visible light, wave energy

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