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.

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

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.

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.

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?

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.