The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

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

This biodiversity project examines the biodiversity in your own backyard.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

This science research project challenges students to think of more effective lobster farming methods.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

Examine the effect of pressure on carbonation in soda.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Help your child celebrate the summer and the sun by making a sandy seascape.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Test whether plants can grow without sunlight and water.