The Journey to Pluto, the farthest world ever explored – TED-Ed by Alan Stern

The Journey to Pluto, the farthest world ever explored – TED-Ed by Alan Stern

As of 1989, mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt, Pluto is a scientific goldmine, and could hold clues to the formation of our solar system. Alan Stern explains how NASA’s New Horizons mission is going to … Continue reading

Strawberry DNA – Food Science | Science Experiments | Steve Spangler Science

Strawberry DNA – Food Science | Science Experiments | Steve Spangler Science

In this lab, you extract and isolate DNA from strawberries using simple, household ingredients. You’ve probably learned or heard about DNA, but have you ever seen it? With the Strawberry DNA experiment, you’ll extract, isolate, and observe the DNA of a strawberry in a matter of minutes. It sounds impossible, but thanks to special characteristics … Continue reading

Electricity: Alternative to Traditional Bulbs – submitted by Dave Gervais

Electricity: Alternative to Traditional Bulbs – submitted by Dave Gervais

The traditional incandescent bulbs used for teaching series and parallel circuits are rated for 3 V or 6 V. The problem is that many power supplies can generate higher voltages. As a result, it is common to have many blown bulbs. With several sections teaching this unit, bulbs can quickly become in short supply. Bulb … Continue reading