In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea investigates the difference in reaction times between boys and girls.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea investigates if fats add to the flavor of food.

This science project idea examines the effect of microwaving on various objects.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea explores substances that cause a bubble to last longer.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea examines liquids of different densities.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project investigates why the number of visible stars changes from place to place.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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 science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.