In this activity, students investigate and discover how surface area, concentration, and temperature affect the rate of a chemical reaction. This lab is designed for students to practice good experimental tests of hypotheses, synthesize...

English scientist William Crookes was very innovative in his investigations with vacuum tubes and designed a variety of different types to be used in his experimental work. Crookes tubes are glass vacuum chambers that contain a positive...

An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.

[Free Registration/Login Required] This flipchart is designed to explore the probability of rolling certain values using the dice tool. By the end of this lesson, the students will have gathered experimental data, made hypothesis about...

Theodore William Richards (1868-1928) was considered the foremost experimental chemist of his time. He won the Nobel prize for his role in determine the atomic weights of many elements. This house was built in 1900 with design input from...