Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea produces sounds by creating vibrations using different objects.

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

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

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Give your budding young observers a chance to discover simple machines at use in their own home.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea experiments with spinning color wheels and optical illusions.

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