Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

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

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

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

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

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.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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