Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This science fair project idea explores whether talking to a plant will help it grow.

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.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.