Wednesday April 23 2014

Video Title Description Topics Discussed
Density: Ice, Oil, and Water A different way to explore the density of water. physical science, liquids, density, solids, states
Challenge: Paper, Coin, Cup - Part 2 The answer to the challenge. Did you get it right? attract, charges, physical science, electricity, force
Electricity This is the Electricity show that I traveled with for more than 25 years. attract, charges, physical science, current, electricity, electrostatics
Microscopes - Making a Wet Mount Another way to prepare specimens physical science, refraction, magnification, light
Microscopes - Making a Dry Mount The simplest way to look at things with a microscope. physical science, refraction, magnification, light
Introduction to the Microscope An introduction to the microscope physical science, magnification, light
Sun Prints Combine science and art to learn about ultraviolet light. physical science, energy, light
The Slow Race A challenge that combines science, engineering, and creative thinking. gravity, inertia, physical science, motion, energy, friction, kinetic
Cloud Formation, Part 1 How clouds form, part 1 physical science, states
Making a Screamer An obnoxious...I mean interesting way to study sound. physical science, pitch, vibration, sound
Obedient Coin Can you get the coin out from under the glass without touching it? Of course you can! inertia, physical science, force, motion, friction
Strange Flame, part 2 The answer to part 1. inertia, mass, physical science, volume, motion, density
Scientific Thought and Creative Thinking, Part 1 A challenge in creative, scientific thinking. matter, physical science, temperature, expand, volume, air pressure, heat
Scientific Thought and Creative Thinking, Part 2 Part two of Creative Thinking physical science, temperature, expand, volume, air pressure, heat
Scientific Thought and Creative Thinking, Part 3 Part three of the Creative Thinking series physical science, temperature, expand, volume, air pressure, heat
The Knuckle Trick The answer to the Knuckle Trick challenge center gravity, gravity, mass, physical science, structures
A Model of the Water Cycle Make a scientific model of the water cycle. physical science, states
Science Friction A simple friction challenge that might surprise you. physical science, surface area, force, motion, friction
How Heat Moves Learn the three ways that heat energy can move. physical science, temperature, conduction, energy, heat
Sunglass Science: Birefringence This time we will explore things that are usually invisible, revealing new things about the world around us. electromagnetic waves, physical science, refraction, light
Sunglass Science: Polarized Light Grab your shades for a different way of seeing the world around you. electromagnetic waves, physical science, refraction, light
Water in a Glass, Part 3 The answer to Part 2, and a fun "science trick." gravity, physical science, force, air pressure
Water in a Glass, Part 2 The answer to part 1, and a new challenge. gravity, inertia, physical science, force, air pressure, motion
Water in a Glass, part 1 What really keeps the water inside this inverted glass? gravity, inertia, physical science, force, air pressure, motion
Lighting a Bulb With a Balloon Can you really light a lightbulb with a balloon? Of course you can! charges, physical science, electricity, electrostatics, energy, light
Science of Credit Cards How is the information stored on a credit card, and why does putting a plastic bag over an old card make it scan better? attract, magnetism, physical science
Laser Projection Microscope Turn a \$5 laser pointer into a projection microscope! electromagnetic waves, physical science, refraction, magnification, light
Pick a String Pull downwards on the string, and use science to cause it to break either above or below the book. gravity, inertia, physical science, Newton 2, motion
Smoke Rings A simple way to produce beautiful smoke rings. inertia, physical science, air pressure, motion, friction
Strengthening the Dollar How can you make a dollar bill stronger? With science! physical science, motion, structures
Coins Through a Hole Put a coin through a hole that is smaller than the coin, without tearing the paper! physical science, surface area, structures
Making Water Wiggle Make a stream of water move without touching it. attract, charges, physical science, electricity, electrostatics
Why Wet Things Turn Dark Why does making something wet cause it to look darker? physical science, reflection, refraction, conduction, light
Relative Motion How fast can you throw a piece of paper? inertia, physical science, motion
Oxygen? No! It is amazing how many books get this one wrong! physical science, temperature, expand, volume, heat
Looking for Rainbows The amazing science of rainbows. electromagnetic waves, physical science, reflection, refraction, light
Heartless Plants How do plants move water and food without a heart for a pump? gravity, physical science, air pressure
Why Things Go Bang Why do fire crackers make such a loud sound? physical science, vibration, waves, sound
Ice and String Can you lift an ice cube out of a glass of water with a string? Try it and see. physical science, temperature, liquids, energy, heat, solids, states
Measuring Lightning Use the Flash-Bang method to measure how far away the bolt was, and how long it was. physical science, electricity, electrostatics, light, waves, sound
Noisy String Learn about sound while annoying.. I mean amusing your friends. physical science
Hanging a Hammer Can you balance a hammer, a ruler, and some string on the edge of a table? Of course! center gravity, physical science, simple machines
Planets and Pennies Try this easy way to visualize how gravity differs from planet to planet. gravity, physical science
Bottle Tones, Part 2 The solution to the Bottle Tones video. mass, physical science, pitch, vibration, sound
Bottle Tones, part 1 How does mass relate to pitch? mass, physical science, pitch, vibration, sound
Candles in a Jar, Part 2 The answer to the last video's challenge. gases, gravity, physical science, density, heat
Candles in a Jar Which will go out first, the tall candle or the short one? gases, gravity, physical science, temperature, density, heat
Ice and Soda Try this old trick for pouring soda with less foam. gases, physical science, liquids, states
Wrong Way Balloon Why do balloons act crazy in your car? inertia, physical science, motion, density
Doppler Effect Why does the sound of a car change as it passes you? physical science, pitch, vibration, waves, sound
Hear the Ocean? Why do you seem to hear the ocean inside a sea shell? physical science, pitch, vibration, sound
The Science of Pizza Is the cheese on a pizza really hotter than the crust? physical science, temperature, conduction, density, energy, heat
The Right Answer Sometimes the right answer is not the only answer. inertia, physical science, air pressure, density
Half a Water Balloon Why is half a water balloon different from a full one? gases, inertia, physical science, liquids, air pressure, motion, density, states
Got the Red Green Blues Does your TV really only have three colors? physical science, light
About Microwaves Compare the way that a microwave oven heats water and other substances. electromagnetic waves, physical science, heat
Producers Learn about the lifeforms that make up the base of the foodchain. physical science, energy, solar energy, light
The Compass and Magnetic Fields Use the compass you constructed in Video 149 to explore magnetic fields, from electric wires to your kitchen cabinets. attract, charges, magnetism, physical science, current, electricity
Grass Whistle A fun science trick that my grandfather taught me. physical science, pitch, vibration, sound
Emergency Glasses Learn how to make quick, easy, emergency eyeglasses. electromagnetic waves, physical science, refraction, light
Make a Compass Construct a compass with household materials. attract, charges, magnetism, physical science
The Singing Glass Turn a drinking glass into a musical instrument. physical science, pitch, vibration, friction, waves, sound
Floating Cups Help figure out the science behind this simple trick. inertia, physical science, force, Newton 2, air pressure, motion, Newton 3, friction
The Leyden Jar Learn to construct a 25,000 volt Leyden Jar from materials found around the house. This dramatic, yet safe, demonstration is a attract, charges, physical science, electricity, conduction, electrostatics, energy
The Science of Flutes Learn about the science of sound as we see how a flute works. physical science, pitch, vibration, energy, sound
Tricky Bottle Learn the science behind the Tricky Bottle! gases, physical science, liquids, air pressure, states
Why We Sweat Why do people sweat? physical science, heat, states
HappyTone Launch gravity, inertia, mass, physical science, force, Newton 2, Newton 3, energy
Mirage What is a mirage, and why do they happen? electromagnetic waves, matter, physical science, reflection, refraction, density, solar energy, light
Going Through a Card Cut a hole in a 4X6 inch index card that is large enough for you to crawl through. physical science, surface area, structures
Flame Color Why are candle flames yellow? electromagnetic waves, physical science, light
Cartesian Diver Make a diver that will rise and fall at your command, if you know the science. gases, gravity, matter, physical science, liquids, air pressure, density
Mass and Weight Why are mass and weight so confusing? gravity, inertia, mass, matter, physical science, Newton 2, Newton 3
Matter What is matter? gases, mass, matter, physical science, liquids, volume, plasma, solids, states
Light as Air When we say that something is as light as air, what does that really mean? gases, mass, physical science, volume, air pressure, density
Strange Flame, part 1 Can you figure out why the flame moves backwards? gases, inertia, mass, physical science, volume, motion, density, energy, friction
Radioactive What does it mean when we say that something is radioactive? matter, physical science, energy, nuclear energy
The Cloud Chamber A cool way to see evidence of subatomic particles. matter, physical science, states, nuclear energy
The Fire Diamond What does it take for something to burn? physical science, temperature, energy, heat, kinetic, light
Mobius Space Can an empty space have only one side? physical science, surface area, structures
Magic Coin Use science to make a coin seem to magically rise from a matchbox. inertia, mass, physical science, Newton 2, motion, friction
A Color You Can't See Use your cell phone to see a color you can't see electromagnetic waves, physical science, reflection, light
Balloon on a Stick Learn the science behind this classic demonstration. physical science, air pressure, structures
Dry Ice Learn some fun tricks with dry ice as we explore the science of sublimation. gases, physical science, temperature, liquids, heat, solids, states
A Watched Pot Who would think that there could be so much science in a pot of boiling water? gases, physical science, temperature, liquids, heat, solids, states
Bird on a Wire How can birds sit on powerlines without being shocked? charges, physical science, current, electricity, conduction
Egg States When is a change of state not really a change of state? gases, physical science, liquids, solids, states
Spoon Bells Use simple science to make spoons sound like church bells. physical science, pitch, vibration, conduction, sound
Making Craters Make your own craters, and compare them with photos of the real thing. inertia, physical science, force, motion, structures
Density Column How can something sink and float at the same time? gravity, mass, physical science, volume, density
Changing the Speed of Light Can you really change the speed of light? Of course you can! electromagnetic waves, physical science, refraction, density, light
Recycle With Americans producing 600,000 tons of garbage a day, it is important to look at what we throw away. physical science, renewable energy
Spoon on Your Nose Use science to stick a spoon to your nose. gravity, physical science, friction
The Pool, the Boat, and the Anchor, part 2 The answer to video 111 gravity, mass, physical science, surface area, liquids, volume, density, solids
The Pool, the Boat, and the Anchor Do you really understand why things float and sink? gravity, mass, physical science, surface area, liquids, volume, density, solids
Simple Circuit Construct a simple circuit and use it to test conductors and insulators. charges, physical science, current, electricity, conduction, energy
Introduction to Light Emitting Diodes Using LEDs as a way to get started learning about electricity. charges, physical science, current, electricity, conduction, energy
The Versorium Construct a simple device for detecting static charges. attract, charges, physical science, electricity, conduction, electrostatics, energy
Solar Power A look at one of the world's largest solar power plants to learn about reflection and refraction. physical science, reflection, temperature, electricity, refraction, energy, heat, solar energy, light, renewable energy
White Foam If bubbles are clear, then why are soap suds white? electromagnetic waves, physical science, reflection, refraction, light
Wax and Wood, part 2 The answer to the challenge. Did you get it right? physical science, density
Wax and Wood, part 1 We start by putting wood and wax into water, and watching them separate. The challenge is to get them to change places. physical science, density
Wonderful Water Because it is so common, we forget how chemically bizarre water is. mass, physical science, expand, volume, density, states
Iron Cereal What do they put into breakfast cereal to give you your daily requirement of iron? attract, magnetism, physical science
The Bullroarer Make this simple, science toy to learn about sound, while making sounds to annoy,..I mean amuse  your family. physical science, pitch, vibration, motion, waves, sound
Static Charges An introduction to induction. attract, charges, physical science, electricity, electrostatics, energy
Why Wet Things Won't Burn What is it about water that keeps things from burning? physical science, temperature, conduction, energy, heat
The Hottest Part of the Flame? What is the hottest part of a flame? It may not be where you think it is. physical science, temperature, conduction, energy, heat
Chromatography Can you tell which pen was used to write a message? Of course you can, if you know the science of chromatography. physical science, liquids, density
White Balance Have you ever taken a photo that turned out very yellow or with a blue tint? Now you will know why. physical science, light
More Science of Balance Make this fun, science toy, and learn more about how things balance. center gravity, gravity, physical science, structures
Raw Egg or Boiled? Can you tell the difference between a raw egg and a boiled egg, without breaking the shell? Of course you can, if you know the s inertia, physical science, liquids, motion, energy, solids
The Science of Balance Understanding center of gravity and base can make it easier to balance. center gravity, gravity, physical science, force, structures
Light Speed Chocolate Use chocolate and your microwave oven to measure the speed of light. electromagnetic waves, physical science, light
Microwave Chocolate Combine science and chocolate to learn how a microwave oven works. attract, electromagnetic waves, physical science, temperature, vibration, energy, heat, waves
Air Space How many cotton balls can you fit into a full glass of water? matter, physical science, surface area, liquids, volume, solids, states, structures
Ice Cream Science Even in the desert, you can make a cold, tasty snack with some common items and a little science. physical science, temperature, liquids, energy, heat, solids, states
Mystery of the Glassy Tube How quickly can you figure it out? physical science, current, electricity, electrostatics, energy, heat
Identifying Minerals Using simple tests such as luster, hardness, and cleavage/fracture, you can identify most common minerals. physical science, density
Floating Bubbles Float bubble on a layer of invisible gas. gases, gravity, mass, physical science, volume, air pressure, density, states
Bernoulli Effect A simple challenge that does not work the way you would expect. gases, physical science, air pressure, motion
Sorting Salt and Pepper Can you mix salt and pepper and then sort them out again? Of course you can! attract, charges, physical science, electricity, electrostatics, density
The Old Tablecloth Trick Simple science behind a famous science trick. inertia, physical science, Newton 2, motion, friction
High Bounce Bounce a tennis ball higher than your house, just by dropping it. inertia, physical science, motion, energy, kinetic
Heating a Balloon Can you really use a candle to heat water in a balloon without popping it? physical science, conduction, heat
Crushed Can How much air pressure is pushing on you at this moment? gases, physical science, liquids, air pressure, states
Mobius Strip Explore the science of topology with scissors and a piece of paper. physical science, surface area, structures

## Latest Experiment

Marbles, Inertia, and Paper Plates

### This Week's Science Spotlight

States of Matter
Video : A Model of the Water Cycle :
Video : Matter :
Text : What's Burning? :
Text : Slippery and Sticky Ice :
Text : Cartesian Raisins :