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.

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.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

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?

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.