4th Grade Activities : Page 5

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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

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

Boost your child's listening, verbal and teamwork skills with this unique trust game in which one player guides another through a maze using only words.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Celebrate Earth Day by making a poster that encourages people not to litter.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Ignite your child's creativity by having them design their own clay version of an alebrije, a traditional fanciful creature like the ones made in Oaxaca, Mexico.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Get kids excited about gathering their school supplies by teaching them how to make their own writing supplies!

This science fair project idea determines the most effective method of preserving food.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Have fun making recycled paper using scraps of used paper in your home with this hands-on project.

This science fair project idea investigates how color affects temperature.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This Kool-Aid tie-dye activity is a kid-friendly craft that never gets old. Learn how to make tie-dye shirts using assorted Kool-Aid flavors here.

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

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Make your own recycling game that helps teach your child what can and should be recycled.