What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

See how to write a love song simply in this kid-focused tutorial. Learn how to write a love song for Valentine's Day and beyond.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project idea identifies trees using a dichotomous key.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This simple experiment serves as an introduction to the greenhouse effect.

Does your child know all the greatest kid-friendly places in town? Here's an activity that lets them create a cool city guide and work their writing chops, too!

Liven up your sixth grader's study of world geography with these three fun challenges.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Help your child create a rebus message for a unique Father's Day card or poster; it's like a collage and encoded message all in one!

Find out which type of sponge holds the most water.

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

Create a giant octopus from cardboard that holds onto a sea of creatures from its tentacles!

Honor dad's fatherly achievements with a handmade plaque for a job well done!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.