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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Discover whether a metal will expand under hot water.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This project examines what types of objects burn and which burn faster and cleaner.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea produces varying pitches of sound.

In this science fair project, students use the streak test to tell minerals apart from each other.

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.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

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

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

What happens when colored beams of light mix? You might be surprised.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

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