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

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

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.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Encourage imagination and creativity with this magical craft that lets your child make and design his very own dragon egg.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Examine the connection between temperature and chemiluminescence.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

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