An entomologist named Geroge Vernon Hudson is credited with proposing Daylight Saving Time (DST) so he could better study his insects. Using the informative website, scholars read a brief introduction to the topic and then explore the...

What is mu? Emerging scientists explore the coefficient of sliding friction, or mu, and apply its concepts as they complete activities in the interesting lesson. They measure the sliding friction between soles of their own athletic shoes...

Why do soybean plants that are planted weeks apart in the spring mature simultaneously in the fall? Four independent activities cover the history of phytochrome research, scientist collaboration, the electromagnetic spectrum, and...

This handout offers a three-step process for revising sentences for clarity: diagnose, analyze, revise. After reading an example sentence revision with a detailed explanation, learners complete three sample sentences using the three-step...

Individuals design and build a set of shock absorbers to protect their astronauts when they land. Using a limited amount of supplies, pupils build a system that will keep two large marshmallows from flying out of a cup when it lands...