Chemical Science Resources


Select a topic and then scroll down to see the resources that have information about that topic.

Making a Solar Still Combine science and survival skills.
Polymers and Slime A fun, classic science demo on polymers
The Chemistry of Milk Investigate one of the few foods that is meant to be food
Yeast and Sugar, Part 1 An experiment with cellular respiration
The Science of Rubberbands Why do rubberbands stretch?
Density: Ice, Oil, and Water A different way to explore the density of water.
Microscopes: Growing Crystals Continue your exploration of the micro-world by watching crystals grow.
Photographing Snowflakes Simple techniques for photographing snowflakes.
Sun Prints Combine science and art to learn about ultraviolet light.
Strange Flame, part 2 The answer to part 1.
Scientific Thought and Creative Thinking, Part 1 A challenge in creative, scientific thinking.
Scientific Thought and Creative Thinking, Part 2 Part two of Creative Thinking
Scientific Thought and Creative Thinking, Part 3 Part three of the Creative Thinking series
Water on a String A very useful, classic science experiment
Building a Rain Gauge For such a simple device, rain gauges can tell us incredible things.
A Model of the Water Cycle Make a scientific model of the water cycle.
How Heat Moves Learn the three ways that heat energy can move.
Bendable Bones - Updated A classic investigation into the chemistry of bones.
Science and the Haunted Pumpkin Use simple chemistry to enhance a ghost story for Halloween
Igneous Sugar Make rock candy to explore the difference between magma and lava.
Water in a Glass, Part 2 The answer to part 1, and a new challenge.
Water in a Glass, part 1 What really keeps the water inside this inverted glass?
How They Get the Sparks in a Sparkler Make some sparks of your own as you explore the science of fireworks.
Orange Flash Can you make flames shoot out of an orange? Of course you can!
Making Water Wiggle Make a stream of water move without touching it.
Making Turmeric Paper This spice makes a marvelous acid/base indicator!
Color Changing Flowers Use chemistry to change the colors in a bouquet of flowers.
Oxygen? No! It is amazing how many books get this one wrong!
Silver Pictures A simple experiment to show how photographs work.
Disappearing Water A simple science trick that is often used in magic shows
Heartless Plants How do plants move water and food without a heart for a pump?
Making Butter Make a tasty snack while learning about the science of butter.
Milk Bubbles Science can be as simple as blowing bubbles in your milk.
Extra Oxygen A little extra oxygen can make a big difference in combustion!
Why Things Go Bang Why do fire crackers make such a loud sound?
Candles in a Jar, Part 2 The answer to the last video's challenge.
Candles in a Jar Which will go out first, the tall candle or the short one?
Ice and Soda Try this old trick for pouring soda with less foam.
The Science of Pizza Is the cheese on a pizza really hotter than the crust?
Half a Water Balloon Why is half a water balloon different from a full one?
About Microwaves Compare the way that a microwave oven heats water and other substances.
Flame Color Why are candle flames yellow?
Light as Air When we say that something is as light as air, what does that really mean?
Strange Flame, part 1 Can you figure out why the flame moves backwards?
Radioactive What does it mean when we say that something is radioactive?
The Cloud Chamber A cool way to see evidence of subatomic particles.
The Fire Diamond What does it take for something to burn?
Balloon on a Stick Learn the science behind this classic demonstration.
Dry Ice Learn some fun tricks with dry ice as we explore the science of sublimation.
A Watched Pot Who would think that there could be so much science in a pot of boiling water?
A Boat Full of Holes Learn about surface tension with a boat made out of holes.
Egg States When is a change of state not really a change of state?
Water Cycle Have you ever really thought about the water cycle, about how old that glass of water really is, and all the places it has been?
Recycle With Americans producing 600,000 tons of garbage a day, it is important to look at what we throw away.
Spoon on Your Nose Use science to stick a spoon to your nose.
Osmosis Explore a chemical process that keeps your cells going.
Wax and Wood, part 2 The answer to the challenge. Did you get it right?
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.
Wonderful Water Because it is so common, we forget how chemically bizarre water is.
Iron Cereal What do they put into breakfast cereal to give you your daily requirement of iron?
Cola Color Why do cola drinks contain caramel color?
Taking a Marshmallow Apart Take a marshmallow apart to see what it is made of.
Stale Bread Why does bread go stale so much faster than cake?
Scaring Pepper Learn about surface tension on water while playing a fun trick on your friends.
Why Wet Things Won't Burn What is it about water that keeps things from burning?
The Hottest Part of the Flame? What is the hottest part of a flame? It may not be where you think it is.
Hydrothermal Quartz How can hot water form such beautiful quartz crystals? It takes a lot of pressure!
Chromatography Can you tell which pen was used to write a message? Of course you can, if you know the science of chromatography.
Testing for Tannic Acid A fun but smelly test to find tannins in your food.
Microwave Chocolate Combine science and chocolate to learn how a microwave oven works.
Ice Cream Science Even in the desert, you can make a cold, tasty snack with some common items and a little science.
Identifying Minerals Using simple tests such as luster, hardness, and cleavage/fracture, you can identify most common minerals.
What is a Mineral? Forget "animal, vegetable, or mineral?" The scientific definiton of a mineral is much more specific.
75% Water 75% of the Earth’s surface is water., but that only scratches the surface, as Robert dives into this deep subject.
Floating Bubbles Float bubble on a layer of invisible gas.
Cabbage Indicator Make an easy indicator solution for identifying acids and bases.
Changing Colors, Part 2 A continuation of video 120. This time we will mix two clear liquids to form a white liquid. Then we mix that with the black l
Changing Colors, Part 1 Can you mix two clear liquids to produce a black liquid? Of course you can!
Fireworks Colors How do they get all the different colors in fireworks?
Sorting Salt and Pepper Can you mix salt and pepper and then sort them out again? Of course you can!
Blowing Out a Candle It is amazing how much science is involved in the simple act of blowing out a candle.
Relighting Candles Some fun science for your next birthday party.
Written Experiments
Understanding What "Internal Crystalline Structure" Means What is an internal crystalline structure?
What is a Mineral? Putting it all together Applying what we have learned.
Understanding what "chemical formula" means Understanding what "chemical formula" means
Squeezing Matter Why do some things compress while others don't?
More Cold Tomatoes
Egg in a Bottle
How to Blow Out a Candle
Bubble Colors
Coffee Rings
Dancing Raisins
A Watched Pot What can you learn by watching a pot of boiling water? A LOT!
Changing How We Look at Changing Rethinking chemical and physical changes.
Yellowing Paper
Pepper Hot
A Cool Experiment
Water Beads
Polar Dressing
Ketchup on Your Cleaning
More Cooling
Surface Area
What is Matter?
Butter Science What is butter made of?
Trick Birthday Candles
Egg Geodes Grow crystals in an egg shell.
Taking a Marshmallow Apart
Penny Chemistry, part 2
Penny Chemistry, part 1
Saving Water
Stretching the Facts
Flat Water
Bad Chocolate?
Cooling Fans
Dew on the Window
Fireworks Colors
Flame Retardants
Floating Bubbles
The Wonders of Ice
Straining a Flame
Cat Lapping
Solar Distillary
Starch Test
CD Spectrum
Hot and Cold Air
Oxygen, Yes
Ripe Fruit
Salt cubes
Sand Castles
Self Sealing Paper
Smell and Humidity
Simple Cloud in a Bottle
Strange Starch
Why is the Sky Blue?
Invisible Candle Snuffer
The Hollow Candle
Adding to a Full Cup
Making Tracks
No Broken Bones
The Paper Siphon
The Power of Lemons
Silver Penny
Oil Ball
Floating Water Drops
Blowing Out a Candle
Can Water Float?
Cool Water
Quick, Easy Crystals
Ice Cream Foam
Sweet Tea
What's Burning?
Smoking Fingers
Black and White Smoke
Ice Crystals
Thoughts on Trees
Smell-less stainless
Why Paper Burns
Paper Petals
Emergency Light
Thinning Stream, part 2
Hot and Cold Water
Herding Water
Ice Race
Producing Static Charges
Paper Rope
One Glass Musical
Old Water
No Dented Cans
Moving Waves
Thinning Stream
Slippery and Sticky Ice
Safe Insecticide
Soda Water Fountain
Sand Angles
Observations of a Candle
Instant Fizz
Clear Ice
Bread Bubbles
The Speed of Electricity
States of Matter
Fat Finding
Attractive Cereal
Lifting an Ice Cube
Hot and Cold Bubbles
Edible Candle
Cartesian Raisins
Capillary Filter
Cold Tomatoes
Upside Down Glass of Water
Two Way Pressure
Turning Ice
Potato Water
Peroxide Bubbles
Cleaning the Silver
The Science of Spit
A Hot Change
What is Smoke?
Testing the Smoke Detector
Balloon on a Stick
Potato Polarity
Simple Electrolysis
Tired Metal
Sticky Water
A Clean Trick
Hot Air Bottle
Melting Icebergs
OJ Ice Crystals
Is it Safe to Heat Water in a Microwave Oven?
Static Cling?
Water, Oil, and Ice
Why We Use Soap
A Cool Change
Sorting Salt and Pepper, How Many Ways?
Wood Ash
Soap Making
Acid Hunt
Sound Traveling
Light from a Lifesaver
Why Fry?
Stirring Sand, part 2
The Solution to Crystals
Water Wall
Science Photos
Science Photo of the Day #973What would you have to do to also have equilibrium with water as a gas?
Science Photo of the Day #972If you refrigerate it at exactly 0°C (32°F), will the water freeze or will the ice melt?
Science Photo of the Day #970My iced tea is darker here in Utah than it was in Florida. Why?
Science Photo of the Day #960What happens to the rest of the mass from the wood?
Science Photo of the Day #954In chemistry, how can you tell the difference between a chemical change and a physical change?
Science Photo of the Day #949How does a mustard plant survive subzero temperatures and snow?
Science Photo of the Day #943Is agave nectar really nectar?
Science Photo of the Day #942What common chemical is this? Hint: The colors are from polarizing filters. The crystals are normally clear.
Science Photo of the Day #935Why are sparks of electricity purple?
Science Photo of the Day #927Why does hydrogen peroxide bubble when you put it on a cut?
Science Photo of the Day #920If cold water sinks, why does the ice form at the top?
Science Photo of the Day #917Heavy water played an important role in the development of the atomic bomb. What is heavy water?
Science Photo of the Day #904Another creature from our desert puddles. One of its relatives played a very interesting role in World War II. What is it?
Science Photo of the Day #902Is it true that you can mix common, household chemicals with a popular carbonated soda to make it glow in the dark?
Science Photo of the Day #898Not all mud cracks when it dries, and some muds crack more than others. Why?
Science Photo of the Day #861This is a grain of salt, photographed with my new microscope. Why are grains of salt cube-shaped?
Science Photo of the Day #850I photographed this oil refinery in New Mexico. How do they make gasoline from crude oil?
Science Photo of the Day #832I found these interesting marks in a tire track in our driveway. What produced them?
Science Photo of the Day #819Is snow a rock, a mineral, both, or neither?
Science Photo of the Day #818When frost forms on your window, why do the crystals often form in lines?