How big is one coronavirus? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai'i. This volcano is on the tip of the southern most Hawaiian Island. Is that significant?
In this activit...
Nematodes
Grubs are killing my grass. I don't want to put poison into the ground. What can I do?
There are tiny roundworms called beneficial nematodes. They can kill destructive so...
Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor. Let your students get a fe...
The two Voyager space probes are in the news recently as they approach the edge of our solar system. Scientist can tell that the Voyager's environments are changing. They are receiving m...
If all goes well, the next crew of the International Space Station (the ISS) will launch on Sunday, Novemeber 13, 2011 from the Baikonur Cosmodrome in Kazakhstan.
Keep your student ...