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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this activity, your child will develop her sensory awareness and build important math skills while having fun outdoors.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this fun math activity, second graders will learn to estimate items in a jar! 

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

This simple bookmaking activity will introduce and reinforce alphabet and number recognition skills that have been taught at home or learned in preschool.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This Halloween math activity book is a whole lot of fun.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!