Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Make a backbone model to explore human anatomy and life science.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

This surprisingly good glue recipe comes from common kitchen items.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

I scream, you scream, we all scream for homemade spearmint ice cream!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.