Germ-Killing Wipes
In this activity, students get to dig into the real impact of disinfectant wipes. With one wipe claiming to kill 99.9% of germs and another at 99.999%, does that tiny extra percentage ac...
Science
Genres
Grade
Earth's perihelion with the Sun
On January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year? In this activity students become familiar with the terms&nbs...
Display 1 - 2 Of total 2