This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

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

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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.

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.