Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this fun activity, your child will create their very own solar oven to bake s'mores!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Have your child kick off their summer vacation by making a miniature water slide!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Try this chemistry experiment with your curious kid and get some "shocking" results!

The goal of this project is to create an exciting topographical map out of dough.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This science fair project idea produces varying pitches of sound.

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

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

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project investigates why the number of visible stars changes from place to place.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project idea examines which type of insulation holds in the most heat.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.