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.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

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

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.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

This project compares different liquids and the freezing, melting and boiling points of liquids.

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

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

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

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

This project examines how temperature affects the volume of gas in balloons.

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.