Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

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

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.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

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

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

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

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

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project idea designs safe bicycle routes using GPS.

Science fair project that creates fog using bottles of hot and cold water.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.