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1000 Science Fair Projects with Complete Instructions

22 Magic Science Experiments

22 Magic Science Experiments

Wow your friends and family with a magic show using these mind-blowing science experiments! There is more than meets the eye with these magical science projects as you learn the awesome science behind each one!

Lemon Juice Invisible Ink and Heat
1. Lemon Juice Invisible Ink and Heat
Write an invisible message with lemon juice and watch your hidden words appear in brown when you add heat.
Medium
Oobleck and Non-Newtonian Fluids
2. Oobleck and Non-Newtonian Fluids
Squeeze a simple mix of cornstarch and water into a solid ball, then open your hand and watch it flow back into a liquid.
Easy
Red Cabbage pH Lava Lamp
3. Red Cabbage pH Lava Lamp
Add Alka-Seltzer to a red cabbage lava lamp and watch the blobs shift color as you change the pH.
Medium
Air Pressure and the Egg in a Bottle
4. Air Pressure and the Egg in a Bottle
Set a peeled hard-cooked egg on a jar, drop in lit matches, and watch air pressure push the egg inside.
Medium
Vinegar and the Rubbery Egg
5. Vinegar and the Rubbery Egg
Drop a raw egg into vinegar for a few days and discover that the acid dissolves the hard shell, leaving behind a soft, rubbery egg.
Easy
Eggshell Arches and Load-Bearing Strength
6. Eggshell Arches and Load-Bearing Strength
Cut four eggs into domes and stack books on top to see how much weight the arches can hold.
Easy
Dish Soap and Milk Color Bursts
7. Dish Soap and Milk Color Bursts
Touch a soap-dipped cotton swab to food coloring in milk and watch the colors burst apart into swirling patterns.
Easy
Casein Glue from Milk and Vinegar
8. Casein Glue from Milk and Vinegar
Milk contains a protein that turns into working glue when you add vinegar and a pinch of baking soda.
Medium
Pre-Soaked Spaghetti and Cooking Time
9. Pre-Soaked Spaghetti and Cooking Time
Soak spaghetti in water for a few hours, then boil it for just one minute to test whether pre-soaking cuts cooking time.
Medium
Lemon-Powered LED Light
10. Lemon-Powered LED Light
Turn a lemon into a working battery and find out whether it can produce enough electricity to light an LED.
Easy
Potato Batteries: Metals, Voltage, and LEDs
11. Potato Batteries: Metals, Voltage, and LEDs
Push copper and zinc strips into potatoes and wire them in series to generate enough voltage for an LED.
Medium
Elephant Toothpaste Foam Reaction
12. Elephant Toothpaste Foam Reaction
Pour a yeast mixture into a bottle of hydrogen peroxide and watch a giant column of warm foam erupt.
Easy
Baking Soda and Vinegar Eruption
13. Baking Soda and Vinegar Eruption
Combine baking soda and vinegar in a volcano mold and watch carbon dioxide gas drive a fizzing eruption.
Easy
Salt and Oil Density Lava Lamp
14. Salt and Oil Density Lava Lamp
Sprinkle salt onto a layer of oil over colored water and watch oil blobs get dragged down and float back up.
Easy
White Daisies and Food Coloring
15. White Daisies and Food Coloring
Place white daisies in colored water and watch the petals change to blue or red within a single day.
Easy
Capillary Action Walking Rainbow
16. Capillary Action Walking Rainbow
Connect cups of colored water with paper towels and watch capillary action build a complete rainbow overnight.
Easy
Density-Driven Alka-Seltzer Lava Lamp
17. Density-Driven Alka-Seltzer Lava Lamp
Drop an Alka-Seltzer tablet into oil and colored water and watch gas bubbles carry blobs up and down like a lava lamp.
Easy
Raisins Rising and Sinking in Fizzy Water
18. Raisins Rising and Sinking in Fizzy Water
Drop raisins into a jar of vinegar and baking soda and watch them rise, float, and sink over and over again.
Easy
Baking Soda, Vinegar, and Floating Spaghetti
19. Baking Soda, Vinegar, and Floating Spaghetti
Watch spaghetti rise and sink on its own as carbon dioxide from baking soda and vinegar lifts each piece.
Easy
Eyesight Conditions and Magic Eye Images
20. Eyesight Conditions and Magic Eye Images
Show a Magic Eye stereogram to people with three vision types and see how eyesight changes the 3D shape.
Medium
Sugar Crystallization and Rock Candy
21. Sugar Crystallization and Rock Candy
Grow giant sugar crystals on a string and watch a supersaturated solution turn back into solid rock candy.
Medium
Borax Geode Crystals
22. Borax Geode Crystals
Turn a hollow eggshell into a miniature geode by growing Borax crystals inside it overnight.
Medium

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