Advanced techniques for the lab use of chromatography are detailed here and your students will learn the specifics of separating molecules using a staionary and mobile medium. Diagrams of the equipment used and some facts about how...

Dynamic music pumps up viewers as they learn about intrusive and extrusive igneous rocks. Presentation slides include a graphic depiction of magma below Earth's surface , photographs of lava exploding and flowing, and close-ups of...

Teach your class the basic format of a friendly letter. Pupils learn about the heading, greeting, body, closing, and signature. There is a brief quiz at the end to check for understanding. The links for this section work...

A professionally created set of slides strengthens viewers' knowledge of the muscular system. Some slides display microscope enlargements of muscle fibers and neurons, while others are beautifully detailed graphic images. The difference...

Under pressure! The second lesson of the series introduces the class to blood pressure and the impact of high blood pressure on the cardiovascular system. It helps learners make the connection between blood pressure and how the heart...

A math model is a good model. A slide show presents 10 sample items on modeling and data analysis. Items from Smarter Balanced illustrate different ways that Claim 4 may be assessed on the 8th grade math assessment. The presentation is...

The methods by which farming and agriculture became a valid area of study and research are detailed in this PowerPoint. Also presented are the steps involved for improving productivity and efficiency.  The use of scientific method...

What is an inference, and how can you use textual evidence to create one? Introduce your developing readers to the world of inferencing with this presentation. Terms are defined, and several examples are shown. The class works together...