An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Take play-dough to the next level with this homemade recipe, adding surprising ingredients perfect for summer!

Every year at the Passover Seder, the Ten Plagues are mentioned as part of the ritual. Have your kid draw the plagues to help him remember their importance.

In this activity, your child will reflect on one role model in their life or research one historical figure that has displayed perseverance. Then, they will create a slideshow presentation or poster that defines and illustrates perseverance.

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

Being a kid is hard work. Soothe stresses and calm fears with this DIY Zen garden -- all you need is sand, stones and a shoebox.

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.

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

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

This science fair project idea explores the different properties of matter.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This Halloween, your child can make her very own jar light that will shine bright throughout the night!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Celebrate the holidays by making farolitos, paper lanterns with elaborate designs and historical roots.

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

Create your own version of an Aboriginal Australian dot painting in this fun activity!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Your child will have a unique vacation memento with this glass bottle art project sure to capture great memories!

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

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

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

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