What kinds of evidence best support the points you make in a paper? Where can you find the evidence you need? This handout answers all these questions and more, including the difference between primary and secondary sources. You'll also...

The purpose of this activity is to demonstrate some of the different parts of an airplane through the construction of a paper airplane. Students will build several different kinds of paper airplanes in order to figure out what makes an...

This lesson introduces the ways that engineers study and harness the wind. Students will learn about the different kinds of winds and how to measure wind direction. In addition, students will learn how air pressure creates winds and how...