From a tree to an orangutan to bacterium, the annual top 10 new species list has the newest stars of Earth’s biodiversity.
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
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
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
Is your passport up to date? Travel the world as a Nitrogen compound going through the Nitrogen Cycle Game. Teaching cycles of matter in grade 9 ecology can be boring and hard to visualize for students. This activity get students up and moving by pretending to be various nitrogen compounds moving through the nitrogen cycle.
On Nov. 30, 2010, astronomers discovered asteroid 2010 WC9. However, it soon faded from view and was lost. But now it’s back, and it’s going to whiz past Earth Monday night.