This science fair project idea investigates food preference of birds.

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

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

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

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

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

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

This project concerns activity happening millions of miles away, on the sun.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Practice measurement using centimeters in this fun math race designed for your second grade student!

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

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.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Practice conversions within the metric system in this fun math card game for third graders.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

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

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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.

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.