Transcription means a written copy but how can DNA write a message? The video explains transcription and translation as they relate to DNA and RNA. Then in the interactive, scholars practice base pairing and answer analysis...

Use this during the season of teaching about the seasons! As Earth revolves around the sun, its tilt causes the weather to change. The graphics in this presentation show how Earth's position in space has an effect on the angle of...

Space explorers take a virtual trip around the sun right within your classroom! They stand in a circle facing away from the "sun" (a lamp) in the center of the room. As they move according to your instructions, they view different...

The anode, the positive electrode, attracts negative charges, which is why we call negatively charged atoms anions. The interactive allows pupils to match six different anions to the associated properties when testing. Offering four...

Positioned inside the framework of linear and exponential functions, this lesson is more of an investigation into the effects of changing variables and constants inside an expression. The author takes familiar formulas, those for...

Not just anybody can do the job of a federal judge, but according to the United States Constitution just about anybody can be appointed. The lesson outlines the process and requirements for becoming a federal judge, focusing on the...

Your class will watch as one child orbits the sun as Earth, while another orbits as Mars. If the timing is right, they will see the repetitive dance between the two planets and discover how often they are opposite from each other. For...

Students plot earthquakes on a map. In this lesson on earthquakes, students will explore recent earthquake activity in California and Nevada. Students will plot fault lines and earthquake occurrences on a map.

What happens to stars as they get older? A simulation takes pupils through the life cycle of stars based on their masses. The resource introduces the Hertzsprung-Russell diagram and the common relationships and life cycle patterns observed.