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It is really dark out now. Why is that? Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth's tilt...
The weather forecasters tell us what the wind chill temperature will feel like. How do they figure out that number? In this activity students use the National Weather...
This activity has been updated -- See the updated activity HERE
The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for...
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025. Luckily, many of us will...
In 1980, one gallon of gasoline costs $1.22. Today's prices are a lot higher. Is that because the price has gone up or because in 1980 you could...
In this activity students compare team wins with team salaries in the four major North American sports ... the NBA, NFL, MLB and NHL. Students use data from...
Graphic from http://lagoon-inside.com [ This week Hurricane Fiona caused major damage to Puerto Rico, the Dominican Republic and the Caribbean, This is the season for increased cyclonic activity...
Did you know that there is an amount of caffeine that is too much for the growing brain of a teenager? We did some research and have asked...
Gumball Machine Problem from Brian Marks on Vimeo This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file...
Credit: (NASA/Joel Kowsky) 50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created...
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first...