PBS
Pbs Learning Media: Balloon Car
Make 4-wheeled, air-powered cars that jet across the floor. Experiment with the design process and thrust in this activity from Design Squad Nation.
Science Bob Pflugfelder
Science Bob: Make Slime With Glue and Borax
Detailed instructions for making this silly putty-like slime at home.
Science is Fun
Science Is Fun: Dancing Raisins
An experiment in buoyancy which involves making raisins float by using carbonated soda pop. Students then try the same test with other materials. Instructions for making one's own carbonated liquid are also provided.
Science is Fun
Science Is Fun: The Fireproof Balloon
In this experiment, two balloons are each placed over a lighted match, but the one that has had water placed inside it does not burst. Includes an explanation of why that is so.
Science is Fun
Science Is Fun: Soft Water and Suds
For this experiment, students create hard water from distilled water, then test how soft and hard water behave when detergent is added, i.e., how well suds can develop. An explanation of how dissolved minerals affect water's sudsing...
Science is Fun
Science Is Fun: The Collapsing Can
An experiment using an aluminum can and boiling water that demonstrates that the air around us has pressure, although we may not be aware of it.
Science is Fun
Science Is Fun: Sinking and Floating Soda Cans
An experiment to determine if either a regular or a diet can of soda will float or sink when placed in water, and what causes this.
Fundación Cientec
Cientec: Fisica
Different step by step experiments in Physics. It explorer concepts such as adhesion, pressure, weight, movement, balance, energy and more.
Fundación Cientec
Cientec: Quimica
Simple step by step experiments that will allow students to venture in the world of Chemistry. Students can explore transformations of matter and interactions among its components, such as oxidation, surface tension, solutions and more.
Fundación Cientec
Cientec: Biology
Simple step by step experiments that will allow students to explore the world of Biology. Concepts of genetics, metamorphosis, human and plant physiology are investigated.
Optical Society
Optical Society of America: Optics for Kids: Mirrors and Images
An experiment to investigate how many images appear as the angle between two hinged mirrors is increased. Accompanied by an explanation of what is happening, questions for students to consider, and a link to an article about reflection.
Optical Society
Optical Society of America: Optics for Kids: Bending Light
An experiment using a water lens that demonstrates how the eye sees an image. Accompanied by an explanation of what's happening, and a link to an article on refraction.
Optical Society
Optical Society of America: Optics for Kids: Watch Tv Upside Down
An experiment to invert a television image using a magnifying lens. Accompanied by an explanation of what's happening.
Other
Diver Ciencia: Fisica Recreativa
Try these fun physics experiments. Find out how you can make an egg float in water or if an egg is raw or cooked without breaking its shell and many other fun curiosities.
Other
Diver Ciencia: Fisica Sorprendemte
Try these eighteen physics experiments. These are "surprises" from physics but they all have scientific explanation.
Science Bob Pflugfelder
Science Bob: Science Fair Ideas!
Pick your topic using these ideas to get you started. Even if you don't like any, they may inspire you to come up with one of your own. Remember, check all project ideas with your teacher and parents, and don't do any project that would...
Exploratorium
Exploratorium: Pringles Pinhole
Simple directions to make a pinhole camera from a pringles can! Try this experiment. You'll be surprised at what you find.
Discovery Education
Discovery Education: 3 M Young Scientist Challenge
Have you ever imagined going on an actual archaeological dig, climbing aboard a NASA spacecraft, or collecting insects in remote rain forests? This NASA site is your chance to join Discovery School winners on their exciting science...
Optical Society
Optical Society of America: Optics for Kids: Polarized Light (Pdf)
An investigation into how polarized light behaves, with instructions on how to make a polarizer using glass slides. With a link to an article explaining about polarized light. PDF (requires Adobe Reader).
Other
Port Discovery Children's Museum: How to Diy: Rocket Building at Home!
Instructions for building a rocket at home using basic materials then try a fun experiment to watch your rocket blast off.
Optical Society
Optical Society of America: Optics for Kids: Guiding Light Optical Fiber
This experiment demonstrates the concept of total internal reflection, using basic materials. Accompanied by a detailed explanation of what's happening, and links to articles on reflection and refraction.
Optical Society
Optical Society of America: Optics for Kids: Black Is Black or Is It?
An experiment with a coffee filter and a marker to see what happens when water touches a black dot, or any other color. With links to several scientific, academic articles that explain what is happening.
Optical Society
Optical Society of America: Optics for Kids: Shimmering Lenses
An experiment using Jell-O to create lenses, to see how light behaves with flat, concave, and convex lens surfaces. With an explanation of what is observed, and a link to an informative article on lenses.
Other
Diver Ciencia: Quimica Magica
Try eighteen different chemistry experiments which look like magic but everything is a product of chemical reaction.
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