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Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

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

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.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

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.

This simple experiment serves as an introduction to the greenhouse effect.

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

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.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

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

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.