Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

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!

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Using a fruit cereal and yarn, help your preschooler create crunchy, edible patterns.

Make fractions easy for your child to understand by incorporating their discussion and practice into meals and cooking that you two participate in together.

Cornucopia still life painting is a great activity for your young artist to look at light and shadow, textures and composition in creating art at Thanksgiving!

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

Combine fun sensory play with early number awareness in a squishy sun catcher project. It's a fun way for your kid to learn about numbers.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Encourage imagination and creativity with this magical craft that lets your child make and design his very own dragon egg.

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

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

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

Here's a tasty way to give your child some counting practice.

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.

Help your preschooler create ice cube bead necklaces to cool off while practicing gross motor skills and sequencing, and discussing states of matter.

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project that creates fog using bottles of hot and cold water.

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.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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