This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Here's a science activity to help your child investigate how seeds are designed to travel.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project idea investigates the difference in reaction times between boys and girls.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.