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Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This decimal game is a great way to help your child get familiar with how decimal values work.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Movement activities are crucial for developing minds and bodies. Animal movements, in particular, encourage children to think about their own body mechanics in comparison with animals they may have observed.

This math game helps fourth graders improve their understanding of positive and negative integers in a fun way.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Making your own glass cleaner is easy, effective and inexpensive!

This science experiment tests if dog saliva can really help heal wounds.

Help your 4th grader learn how to make a topographic map and strengthen key grade level social studies and math skills in the process.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Looking for way to help Japan? Start by making paper cranes! Learn how you and your child can show your support for Japan through the art of origami.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Examine the effect of pressure on carbonation in soda.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Here's an innovative math puzzle that you can create with your fourth grade math student.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Explore the world from your own home by conducting research about other cultures with your 4th grade child.