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!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

From Canada's flag, to the Toronto Maple Leafs, to classic maple syrup cookies, the maple tree is very much a part of Canadian heritage.

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.

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.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

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

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.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

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

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

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.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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

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

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Get your child excited about measuring with this fun and easy household measurements activity.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.