Pulleys

Thoroughly written, this plan walks you through every detail of having your high school astronomers design scale models of the solar system. Complete instructions on building to scale, lesson procedures, and associated worksheets are all...

Shine some light on the topic of seasonal change with this collection of activities. Whether it's by measuring the change in the length of their shadows, or modeling the earth's orbit around the sun using a lamp and a globe, these simple...

What's the difference between the digestive system and the endocrine system? Explore 12 body systems in this anatomy matching instructional activity, for which learners find descriptions corresponding to anatomical terminology. Some of...

She had a terribly busy day converting oxygen into carbon dioxide; now she just needs a moment to breathe. In the activity, scholars review the function of the respiratory system and discuss bioengineering's role in medicine/health and...

Tell the class to feel their heart beating because it's time to talk about the circulatory system! Presented here is a series of explanatory slides that provide a simple, yet accurate depiction of the human cardio-vascular system. All...

When was the last time your class saw a catalyst in action? Chemistry scholars observe an activated complex during an engaging experiment. Through both color change and evolution of a gas, individuals gain insight into the...

There is more to the solar system than the typical study of the sun and planets. Launch a study of asteroids, meteoroids, and comets by watching the video The Story of the Solar System, available for purchase through this resource on the...

A collection of resources on how humans use machines and tools to meet their needs. Covers simple and complex machines, subsystems that transfer forces, mechanical advantage, speed ratio, the effect of friction, efficiency, the science...

Students examine six simple machines and investigate who Rube Goldberg is. They explore various websites, write an article, write ten interesting facts about Rube Goldberg, and design and construct a simple machine.

Eighth graders explore and demonstrate an understanding of the factors that contribute to the efficient operation of mechanisms and simple machines. They design and make a mechanical toy device that moves a given object a specified...