Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

An home science experiment for older students that teaches about the science behind heat.

Test whether plants can grow without sunlight and water.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this science fair project, students create their own miniature salt flats at home.

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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.