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.

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

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.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

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

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

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

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

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

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.

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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Get your child excited about measuring with this fun and easy household measurements activity.

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

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

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.