Tornado in a bottle – Weather science project
A tornado in a bottle You can make your own tornado to see how it works. Fill a one or two liter bottle, like a soda bottle, with water. Add a bunch of [...]
20
08, 2017
20
08, 2017
Cumulus clouds – Weather – Science
These are cumulus clouds. They are puffy. What is a cumulus cloud? Cumulus clouds are clouds that are piled up on top of each other. "Cumulus" means a pile in Latin, as in [...]
20
08, 2017
What are clouds made of? Weather science
Clouds in the sky. What are clouds? Clouds are made of water What are clouds? Clouds are made of drops of water or ice. When the wind picks up water from the ocean or from [...]
18
08, 2017
Meteors – Shooting stars – Astronomy
Lyrid meteor shower What is a meteor? Meteors or meteorites are bits of rock (like granite) and ice - usually a mixture of rock and iron and nickel but sometimes just rock or [...]
17
08, 2017
Sound and pitch – Vibrations – Physics
Guitars can make sound of different pitches by using strings of different thicknesses When two things hit against each other, they set up a vibration that reaches your ear as a sound. [...]
17
08, 2017
Newton’s Second Law of Motion project
Gravity is an important cause of acceleration Newton's Second Law of Motion tells us that force equals mass times acceleration. You can try this out for yourself. Here's a website with [...]
16
08, 2017
Electromagnets – electricity and magnets
There are electromagnets inside stereo speakers When did people invent electromagnets? In the early 1800s AD, about 200 years ago, scientists in Denmark and Britain figured out another way to [...]
14
08, 2017
Brigham Young – Mormon religion
Brigham Young in the 1840s And after they killed Joseph Smith? After a mob killed Joseph Smith, the Mormons chose a new leader, Brigham Young (BRIG-am yung) and wisely left Illinois. The [...]
14
08, 2017
Ghost Dance – Native American religion
Wovoka, a Paiute man who promoted the Ghost Dance Native Americans were suffering By the late 1800s AD, the United States and Canadian armies forced most of the people who had [...]
14
08, 2017
Christmas – American holiday
Big Horn Medicine Wheel in Wyoming (1300 AD) Native American origins of Christmas Even before 1500 AD, people in North America celebrated a winter religious festival when the days stopped getting shorter [...]
