Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

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

This science fair project idea determines effective strategies to help students stay awake and attentive.

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

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!

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

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

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

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

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