How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

In this science fair project, students make their own rain gauge to measure rainfall.

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.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Create a bee garden to help shelter bees in your area.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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

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!

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.

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.

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?

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.

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

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.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!