Experiment Writeups

Detailed guides with videos, worksheets, and step-by-step instructions.

I Can't Bead-lieve my Eyes!

Prepare to have your mind blown as these beads just keep on going.

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The best homemade slime recipe!

This homemade slime will provide hours of entertainment and experimentation.

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Don't cry over spilt milk, make rainbows!

Create beautiful rainbow colors in milk using soap and food coloring.

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Cabbage Lemonade?!? Yes, pHlease!

Use a pH indicator from purple cabbage to make a tasty, pink treat.

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Chladni Plate - make sounds you can see!

Vibrations from sounds can make the coolest patterns. Make your own Chladni plate and see what patterns you can create.

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Science Mom's Guide to Water, Part 7

Explore the heat capacity of water with these 5 fun experiments.

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Science Mom's Guide to Water, Part 6

Learn about why things dissolve in water with six fun crystal growing activities

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Science Mom's Guide to Water, Part 5

How can 2 tablespoons of water make a fireball? Find the answer to that question, and more, in Part 5 of the water se...

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Science Mom's Guide to Water, Part 4

Science Mom's Guide to Water, Part 4

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Science Mom's Guide to Water, Part 3

Water doesn't just move downhill, it can move uphill too because of capillary action. In this investigation we explor...

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Science Mom's Guide to Water, Part 2

Water has the strongest surface tension of any non-metallic liquid. In this guide we explore just how strong surface ...

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Science Mom's Guide to Water, Part 1

Not only are the unique properties of water essential for life on earth, they're also the key to a lot of fun science...

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Quick Experiments

Physics, Chemistry

Gravity Defying Lid

10 - 30 min

Supplies: Water; Cup; Plastic lid or piece of cardboard or cardstock.

Concepts: Balanced forces(Physics); Pressure(Physics); Cohesion of water(Chemistry).

Physics, Chemistry

Magic Screen

10 - 30 min

Supplies: Water; Jar with metal ring or cup and rubberband; Screen or mesh cloth; Lid o...

Concepts: Balanced forces(Physics); Pressure(Physics); Cohesion and surface tension of water(Chemistry).

Physics, Ecology

Hot and Cold Water Cups

10 min to 6 hours

Supplies: Water of different temperatures; Identical-sized clear cups; Food coloring; ...

Concepts: Density(Physics); Thermohaline circulation(Ecology); Lake turnover(Ecology).

Chemistry

Water Drops on Waxed Paper

10 - 30 min

Supplies: Water; Waxed Paper; Dropper; Food Coloring; Toothpick; Soap;

Concepts: Surface Tension of Water (Chemistry); Surfactants (Chemistry)

Chemistry

Water on a Coin

10 - 30 min

Supplies: Water; Coin; Dropper;

Concepts: Surface Tension of Water (Chemistry)

Chemistry

Pepper Scatter

10 - 30 min

Supplies: Water; Bowl or cup; Concentrated Dish Soap; Pepper

Concepts: Surface Tension of Water (Chemistry); Surfactants (Chemistry)

Chemistry

Soap Boat

10 - 30 min

Supplies: Water; Paper; Scissors; Concentrated Dish Soap;

Concepts: Surface Tension of Water (Chemistry); Surfactants (Chemistry)

Chemistry

Floating Pin

10 - 30 min

Supplies: Water; Bowl or cup; Pin

Concepts: Surface Tension of Water (Chemistry);

Chemistry

Floating Paperclip

10 - 30 min

Supplies: Water; Bowl or cup; Paperclip

Concepts: Surface Tension of Water (Chemistry);

Chemistry

Ink Chromatography

30 - 90 min

Supplies: Markers, Paper towels, Water

Concepts: Separation of compounds based on rate of movement (Chromatography), Solubility (Chemistry), Capi...

Physics, Chemistry

Walking Water

1 - 4 hrs

Supplies: 5 cups, 4 paper towels, Water, Food Coloring

Concepts: Capillary Action (Chemistry), Siphons (Physics), Gravity

Physics

Straw Siphon

10 - 20 min

Supplies: Bendable drinking straws, Cups, Water

Concepts: Siphons (Physics), Momentum (Physics), Gravity

Physics

Fountain in a Bottle

30 - 90 min

Supplies: Plastic Bottle, Plastic Tubing, Drill or knife, Glue and Tape

Concepts: Siphons (Physics), Momentum (Physics), Air Pressure (Physcis), Gravity

Physics, Chemistry

Oil Cube vs. Ice Cube

30 - 60 min

Supplies: Water, Oil, Ice cube tray, Freezer

Concepts: Density (Physics); Changes of state (Chemistry)

Physics, Chemistry

Frost Wedging

2 - 4 days

Supplies: Containers, balloons, Plaster of Paris, Water, Freezer

Concepts: Changes of state (Chemistry), Force (Physics)

Physics, Chemistry

Instant Slushy

2 - 3 hours

Supplies: Bottled soda, Freezer, Ice

Concepts: Supercooling of liquids (Physics and Chemistry), Changes of state (Chemistry)

Physics, Chemistry

Ocean in a Bottle

10-30 min

Supplies: Water, Oil, Bottle with lid, Plastic beads, Toothpicks, Hot glue, Thin plasti...

Concepts: Density (Physics), Hydrophobic vs. Hydrophilic (Chemistry)

Physics, Chemistry

Lava Lamp

10-30 min

Supplies: Water, Oil, Bottle, Effervescent antacid tablets, Food coloring

Concepts: Density (Physics), Chemical Reactions (Chemistry), Hydrophobic vs. Hydrophilic (Chemistry)

Chemistry

Oil Lamp

10-30 min

Supplies: Oil, Water (optional), Food coloring (optional), Cardboard, Toilet Paper or P...

Concepts: Combustion (Chemistry), Density (Chemistry)

Chemistry

Salt Crystals

1 week

Supplies: salt, water, jar

Concepts: evaporation, changes of state, crystals

Physics

Halocline Eggs

10 min

Supplies: salt, water, eggs, jars

Concepts: density

Chemistry

Eggshell Geodes

1 day

Supplies: alum, water, eggshells, jars

Concepts: crystal formation, solutions