This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This science fair project idea investigates whether plants can survive being frozen.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

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

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Think about the adaptive utility of an important aspect of our physiology.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Making your own glass cleaner is easy, effective and inexpensive!

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.