Discover which fabrics shrink the most in the wash and why.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Learn all about balance and motion as your child designs a corn maze!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This easy at-home experiment is a great way to "see" science.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Create a bee garden to help shelter bees in your area.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!