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.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This science fair project idea identifies clouds as a means of predicting the weather.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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 that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.