Challenge your learner to design and build a city of their own in this creative engineering activity.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

This science fair project idea produces varying pitches of sound.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Make sourdough bread...and learn some colonial history and modern science in the process!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Learn with makes water molecules work with this fun and easy science activity!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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

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.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project teaches students about wilting and browning of salad greens.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.