Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Hunt for natureâs treasure, the many different products made by trees!

The objective of this science project is to determine the length of time for different seeds to germinate.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Help your child make a beautiful homemade sandcastle that will last!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Help your kindergarten science maven explore the water cycle without getting everything wet.

In this project children practice the scientific method while playing with puffy paint.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

In this activity your child will create their very own marble maze!

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.