To better understand the role of mass and gravity in the formation and existence of black holes we will model the collapse of a star into a black hole using aluminum foil. Along the way students will measure the decreasing circumference, and constant mass of their star as it collapses.

OpenSciEd 8.1 Contact Forces introduction to forces quiz in printable format with answer key.

Physics Classroom is intended for beginning physics/physical science students of all ages and their teachers. It offers a tutorial, interactives, concept builders, Shockwave studios, multimedia studios, and much more. This free web-site contains lessons, interactives, simulations, photo galleries, laboratory exercises, and the option to purchase additional assessment materials/ and for educators.

In this practice work, students will use the box models to visualize and then calculate the net force being exerted on the box. Then in the second part of the worksheet, students will use word problems to calculate net force and acceleration.

Few classroom topics generate as much excitement as rockets. The scientific, technological, engineering and mathematical foundations of rocketry provide exciting classroom opportunities for authentic hands-on, minds-on experimentation. The activities and lesson plans contained in this educator guide emphasize hands-on science, prediction, data collection and interpretation, teamwork, and problem solving. The guide also contains background information about the history of rockets and basic rocket science. The rocket activities in this guide support national curriculum standards for science, mathematics and technology.