Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

This science fair project idea compares biodiversity between drops of water.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

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.

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!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!