Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

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

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.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

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

Start the new year with this fourth grade math "Calculation Challenge!"

In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?

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.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

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

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This science fair project idea investigates food preference of birds.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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