Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This project examines how temperature affects the volume of gas in balloons.

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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?

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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

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

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

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Determine which metal has the highest rate of conductivity.