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Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This project compares different liquids and the freezing, melting and boiling points of liquids.

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

This project concerns activity happening millions of miles away, on the sun.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

This project explores what happens to a rubber band when it is heated and cooled.

Use this great no-bake recipe to save energy and keep cool.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

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.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Introduce your child to science with something they see everyday--their shadow!

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This experiment will explore the best way to create a perfect soft-boiled egg.

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.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

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

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!