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Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

In this activity, your child will be challenged to make a tower using paper cups.

In this science fair project you will make a model of a cell membrane using very simple material.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this project students experiment with making music using only glasses of water.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!