Agriculture in the Classroom
Roll of the Genes
Animal reproduction in sheep and cattle is explored with the help of Punnet squares. Scholars employ tools using probability to conclude the color of wool a sheep's offspring will have. Acting as animal geneticists, pupils then take...
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...
Teach Engineering
Fun Look at Material Science
Introduce materials science with a class demonstration. After showing a PowerPoint presentation on materials and their properties, instructors provide a ceramic tile, a Popsicle stick, a paper clip, and a plastic bag as examples of...
Exploratorium
Penny Battery
Use pennies to light an LED. Class members follow the provided directions to build a multi-celled battery powered by pennies. Using stacks of pennies of varying heights, pupils control the voltage of the battery to light different colors...