Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Word color association is just a fancy way to talk about the way we connect colors with words.

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

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

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

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

This project explores differences in people's reactions to images in color and images in black and white.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

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

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

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 science fair project idea explores how water and ice can change the form of rocks.

This project investigates the affect of storage temperature on microwave popcorn.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.