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.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Paper Christmas ornaments are a great DIY holiday craft that can be made from items from around the house. Make paper Christmas ornaments this holiday season.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

A twist on the gingerbread house, this train is made with graham crackers, icing, and candy decorations. A great 2nd-3rd grade holiday arts and crafts activity.

This science fair project idea discovers the principle of conservation of mass.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

This project concerns activity happening millions of miles away, on the sun.