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What causes the seasons? Earth science

By |2018-04-24T15:45:14-07:00August 20th, 2017|Physics|

This is why it's hotter in summer and colder in winter. The reason it is sometimes winter and sometimes summer is that the Earth spins on a slightly tilted axis. You can see the red axis in the picture here (though really there is no axis to see; it's a direction, not a real stick). [...]

Sunny but cold – Seasons – Science projects

By |2018-04-24T15:20:02-07:00August 20th, 2017|Physics|

Still in their coats on a sunny day(Thanks to [seattle + beyond]) To see what a difference it makes whether sunlight hits the Earth directly or at an angle, just think about a sunny day in summer and a sunny day in winter. In summer, when the sun is out it soon gets very hot. Even cloudy days, when the sunlight has to come [...]

Meteors project – Astronomy activity

By |2018-05-31T11:49:17-07:00August 18th, 2017|Physics|

Lyrid meteor shower The best way to learn about meteors is to go look at actual meteors falling into Earth's atmosphere. You can just look up at the sky and see meteors without a telescope or anything. Three things though: first, you need to be someplace where it's pretty dark. Downtown in a big city, you [...]

Cherokee houses and Cherokee architecture – Native Americans

By |2018-04-07T17:05:23-07:00August 7th, 2017|Architecture, Native American|

Cherokee houses: Replica of Cherokee winter house Cherokee houses Most people who lived in the Cherokee nation lived in houses that were just for one family. These houses were usually circular. They were made of tree branches bent into a circular shape and then plastered with mud (the frame was a lot like the frame [...]