Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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!

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.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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!

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower