What is Chemistry?
What is chemistry, and what does it study?
Why is chemistry important?
Who were alchemists, and what did they study?
What were alchemists trying to do?
The Chemistry of Today
How did modern chemistry come to be?
Who was Antoine Lavoisier?
What are the branches of chemistry?
What does each branch study?
Everything is Chemicals
Our Food is Chemicals
What chemicals are in food?
What is food chemistry?
Our Bodies are Chemicals
What chemicals make up our body?
What is so special about carbon?
The Air is Chemicals
What are the most common chemicals in air?
What shapes the chemical composition of the air?
Everything is Chemicals
Are all chemicals bad?
How are chemicals found all around us?
What is matter?
What is weight and volume?
What are atoms?
How do we know atoms exist?
What do molecules look like?
What determines their shape?
What are ions?
How are they formed?
The Periodic Table
Who created the modern periodic table?
How does the modern periodic table differ from older versions?
What are the types of chemical bonds?
What is the difference between covalent and ionic bonds?
How do we read chemical equations?
What are products and reactants?
What is chemical equilibrium?
How do reactions maintain equilibrium?
States of Matter
What are the states of matter?
How do they differ from each other?
What is plasma?
How is plasma different from the other states of matter?
What does a water molecules look like?
How is water a unique molecule?
What is concentration?
How do we calculate concentration?
Drinking in the Ocean
Why can't humans drink salt-water?
What is osmosis?
Does hot water freeze faster than cold water?
What is the Mpemba Effect?
Don't Burn Yourself
Do steam burns hurt more than boiling water burns?
What is latent heat of vaporization?
What is density?
How do we calculate density?
Why do ice cubes float in water?
Why is solid water less dense than liquid water?
Clearing the Roads
How does salt melt ice?
What is freezing point depression?
Everything in Moderation
Can you drink too much water?
What can cause water intoxication?
Why do onions make you cry?
What chemicals from onions irritate your eyes?
Preheat to 350°F
What is the Maillard Reaction?
At what temperature does this reaction occur?
What chemical processes occur during baking?
What chemicals are in cookies?
What makes bread rise?
How do yeast and gluten react with each other?
Baking Soda and Baking Powder
What is the difference between baking soda and baking powder?
Can you interchange the two when cooking?
One Rotten Apple
Why do apples turn brown when cut open?
What is polyphenol oxidase?
Why does meat change color as it's cooked
What is myoglobin?
How is alcohol made?
What chemicals are in alcohol?
How does milk turn into cheese?
What chemicals are in cheese?
What is honey?
How does a bee's age affect its level of enzymes?
At the Dinner Table
Why does salt make food taste better?
Does salt make foods sweeter?
... and Pepper
What is spiciness?
Why do spices make our mouth feel hot?
How do chemicals break down our food?
What is hydrolysis?
Why are we drowsy after eating a big meal?
Does tryptophan make you sleepy?
Why does mint tastes cold?
What is menthol?
Eating After Brushing
Why does toothpaste make orange juice taste bad?
What are surfactants?
What is Organic Chemistry, and what does it study?
What are hydrocarbons?
What is biochemistry?
What are biological molecules?
The Chemistry of Love
What chemicals make us feel love?
How does being in love change your hormone levels?
How do chemicals allow us to smell?
What are chemoreceptors?
After the Gym
Does lactic acid make your muscles hurt?
What is muscle acidosis?
What color is blood?
Why are our veins blue?
A Cup of Joe
Why does caffeine wake people up?
How does our body break down caffeine?
What causes morning breath?
Is bad breath caused more by your teeth or your tongue?
How does sweat cool us down?
Does wiping away sweat keep you more cool?
What does hair turn gray as you age?
What is melanin?
Around the house
Acids and Bases
What is the difference between acids and bases?
What are strong and weak acids and bases?
The pH Scale
What is pH?
What is pOH?
How does soap work?
What are antimicrobial soaps?
Should you pee in a pool?
What are chloramines?
What is hydrogen peroxide?
Should you use it to clean wounds?
Does Febreze remove smells?
What is cyclodextrin?
Why do baking soda and vinegar react with each other?
What is vapor pressure?
Evaporation and Condensation
What are evaporation and condensation?
What can speed up evaporation?
Why do helium balloons float?
Where does helium come from?
Why does helium make your voice high?
How does sulfur hexafluoride make your voice lower?
What is ozone?
How does the ozone layer protect the Earth?
What is enthalpy?
What are exothermic and endothermic reactions?
How do cold packs instantly turn cold?
What is temperature?
What do you need to make a fire?
What is pyrophorics?
How do fireworks work?
What chemicals are used in fireworks?
The Colors of Fire
What causes fire to burn in different colors?
What colors do different chemicals burn?
The Good and The Bad
How does the body process medicine?
How can molecules of medicine relieve pain?
Why are some drugs addictive?
What chemical hormones play a role in addiction?
How do pregnancy tests work?
How does the chemicals in a pregnant woman's urine differ from a non-pregnant woman's?
What chemicals in poison ivy make us itchy?
What is urushiol?
How do insecticides kill bugs?
What chemicals are toxic to insects?
What is Nuclear Chemistry?
What is nuclear chemistry, and what does it study?
What is radioactivity?
What is radioactive decay?
What makes an atom stable or unstable?
Fission and Fusion
What are nuclear fission and fusion?
How do they differ from each other?
What is nuclear energy?
How do nuclear power plants work?
How do we know how old fossils are?
How does carbon dating work?
Chemistry in Action
What are the types of chemical reactions?
What are the differences between each type?
What is entropy?
How does entropy relate to disorder?
Why does metal rust?
What are redox reactions?
The Chemistry of Cars
Is there chemistry in our cars?
What role do gases and thermodynamics play in driving?
At the Gas Station
What does the octane rating of gasoline mean?
How do hydrocarbons differ from each other?
Gluing Things Together
How does glue stick things together?
How do chemical adhesives work?
How does hair dye change hair color?
How does permanent dye chemically react with your hair?
How are film photos made?
What chemical reactions create photos we can see?
How can sunscreen protect you from the sun's rays?
What molecules can absorb or reflect UV rays?
Glowing in the Dark
Why do some things glow in the dark?
What are phosphors?