Activity
Science Bob Pflugfelder

Science Bob: Make a Cartesian Diver!

For Students 3rd - 7th
This site presents a procedure for creating a cartesian diver, a miniature submarine which rises or sinks depending upon the water pressure within a closed bottle. The site also introduces basic concepts of water and air pressure.
Activity
Science Bob Pflugfelder

Science Bob: Bend a Bone With Vinegar

For Students 4th - 8th
Use this experiment to show how vinegar reacts with the calcium in a chicken bone.
Website
Science Bob Pflugfelder

Science Bob: Science Fairs

For Students 9th - 10th
Find out what the difference is between a science demonstration and a science experiment. Then explore Science Bob's page to learn about ideas for science fairs, the Scientific Method, science fair resources, and even some helpful advice.
Activity
Science Bob Pflugfelder

Science Bob: Bend Water With Static Electricity!

For Students 3rd - 7th
Contains a procedure for illustrating electrostatic attraction between opposite charges by causing a thin stream of water to bend. The site gives a brief discussion of static electricity, as well.
Activity
Science Bob Pflugfelder

Science Bob: The Lincoln High Dive

For Students 5th - 8th
Instructions for a science demonstration of Newton's first law of motion using common supplies. Learn how to turn the demonstration into an experiment.
Activity
Science Bob Pflugfelder

Science Bob: Fantastic Foamy Fountain

For Students 3rd - 8th
Science experiment shows how yeast mixed with hydrogen peroxide creates not only foam but an Exothermic Reaction.
Activity
Science Bob Pflugfelder

Science Bob: Eggshell Geode Crystals

For Students 3rd - 8th
Science Bob provides instructions for how to form geode crystals in eggshells using common supplies with information on why it works.
Activity
Science Bob Pflugfelder

Science Bob: Build a Hovercraft You Can Ride

For Students 4th - 8th
Science Bob provides instructions for building a hovercraft you can ride using common supplies with tips for using it.
Activity
Science Bob Pflugfelder

Science Bob: Build a Soap Powered Model Boat

For Students 5th - 8th
Science Bob presents instructions for a science demonstration of how to build a soap-powered model boat using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Blobs in a Bottle

For Students 5th - 8th
Instructions for a science demonstration of how to create a blob in a bottle using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Make Plastic Milk

For Students 3rd - 8th
Science Bob gives instructions on how to make plastic milk using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Try Some Lava in a Cup

For Students 3rd - 8th
Science Bob provides instructions for how to make some lava in a cup using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Make a Levitating Orb

For Students 3rd - 8th
Science Bob provides instructions for how to make a levitating orb using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: A Density Experiment You Can Drink

For Students 3rd - 8th
Science Bob provides instructions for a density experiment you can drink using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Growing Bacteria for Science Fairs

For Students 3rd - 8th
Science Bob provides instructions for setting up an experiment to show how to grow bacteria.
Activity
Science Bob Pflugfelder

Science Bob: Crazy Foam Experiment

For Students 3rd - 8th
Science Bob presents instructions for a science demonstration of how to make crazy foam using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Do Birds Care What Color Their Food Is?

For Students 3rd - 8th
Science Bob provides instructions for setting up an experiment to determine if birds care what color their food is.
Activity
Science Bob Pflugfelder

Science Bob: Pringles Can Rocket Fuel

For Students 3rd - 8th
Science Bob provides instructions for making a pringles can rocket fuel using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Buddies: A Color Symphony

For Students 3rd - 8th
Science Bob provides instructions for making a color symphony using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Oreo Cookie Moon Phases

For Students 3rd - 8th
Science Bob provides instructions for making phases of the moon with Oreo cookies with fun moon facts.
Activity
Science Bob Pflugfelder

Science Bob: Chicken Sounds From a Cup!

For Students 3rd - 8th
Science Bob presents instructions for a science demonstration of how get chicken sounds from a cup using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Clean Pennies With Vinegar

For Students 3rd - 8th
Science Bob presents instructions for a science demonstration of how to clean pennies with vinegar using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Roll a Can With Static Electricity

For Students 3rd - 8th
Science Bob presents instructions for a science demonstration on how to roll a can with static electricity using common supplies with information on how it works.
Activity
Science Bob Pflugfelder

Science Bob: Lemon Chemistry: An Acid Base Experiement

For Students 3rd - 8th
Science Bob presents instructions for conducting an acid-base experiment using common supplies with information on how it works.