This science fair project idea investigates the relationship between memory and age.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

Try this chemistry experiment with your curious kid and get some "shocking" results!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this science fair project, students make their own rain gauge to measure rainfall.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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.

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

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

This project examines how temperature affects the volume of gas in balloons.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.