Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this activity, your child will be challenged to make a tower using paper cups.

Test your friends to find out if you can replicate the placebo effect's incredible results.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

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

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this fun experiment, we'll find out how color affects heat absorption!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Check out this cool science fair project on identifying rocks and minerals for kids.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.