This hands-on activity that involves arranging pieces of yarn will teach your pre-K child the concept of ordering items by length in an interesting way.

This science fair project idea determines which flower lasts the longest.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

This Halloween, encourage your child to create a super sweet mosaic. They'll make a candy corn pumpkin and then decide if they want to eat it, or keep it!

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

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

Strengthen your child's number recognition skills with this fun game using an old, empty egg carton!

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.

Tic-tac-toe is tons of fun, but the traditional version can get a little monotonous after a while. Mix it up and try this colorful outdoor version!

Disguise a lesson focused on shape recognition as a Santa collage, and your pre-kindergartener won't even realize she's learning!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

Check out this interactive number line. It's a great way to strengthen your preschoolers understanding of basic numbers and the numerals that represent them.

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

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

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!

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.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

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

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

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

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.

The objective of this experiment is to evaluate the effects of acid rain on plants.

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