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.

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

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Most timeline activities are all about history. Make timelines more relevant and personal for your child by focusing on the hours and minutes of his day.

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

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

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.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This experiment will explore the best way to create a perfect soft-boiled egg.

There's nothing like a treasure hunt to get kids excited about math and sorting.

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Determine whether the application of Febreeze will lower the bacterial count.

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

If your preschooler needs counting practice, try this pared-down game. Kids count clips in each cup and find the playing card to match.

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

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.