Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this design challenge, your child will make a bottle rocket using typical household items.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Discover how and which salt melts ice the quickest.