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

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

This experiment investigates if stress alters body temperature.

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

Use familiar household items and decorations to turn estimation into a fun game!

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project idea deals with the qualities of shade on a sunny day.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.