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

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.

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.

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

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

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

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

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.

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

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

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

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

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

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

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

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

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

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

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

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

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

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

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.