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

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

Practice conversions within the metric system in this fun math card game for third graders.

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.

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.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

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

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

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.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

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

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.