Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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

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!

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Practice conversions within the metric system in this fun math card game for third graders.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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!

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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.

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

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

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.

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!

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

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

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.