This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project idea investigates how color affects temperature.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This science fair project idea explores substances that cause a bubble to last longer.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.