How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

The goal of this project is to create an exciting topographical map out of dough.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Do you think heat can affect a plant's growth rate?

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

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

This science fair project idea provides evidence that air is everywhere and takes up space.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science experiment tests if dog saliva can really help heal wounds.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.