Category Units

Our own units to inspire investigation, develop research skills, and encourage independent learning. Units make it easy to learn together as a family, dig in deep, and spur individual interests.

Hail: A Unit Study

Hail: A Unit Study

During a thunderstorm on September 3, 1970, hail formed, creating the heaviest hailstone of the 20th century. The hailstone fell on Coffeyville, Kansas. It weighed 1.67 pounds and had a circumference of 17.5 inches. That record has now been broken,…