I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while. Finally! I see a bathroom sign! Wait ... it is in kilometers? How...
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 reusable ...
A&W offered a bigger, tastier burger but it didn't succeed in grabbing customers away from the hugely popular McDonald's quarter pounder. The A&W third pounder...
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 ask students to color in o...
After chlorination, it has been hard to measure the quantity of pollutants in pool water. A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise....
Act 1 - Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students for their gut reaction about which sl...
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There have been outstanding images coming to NASA from the James Webb Telescope. Take some time to compare the Webb to the Hubble telescope that has been sending images to Earth s...
Should you buy a hybrid or an electric car to save money and the planet?
Students create equations for finding the break-even points of these vehicles by mileage and years of ownership. The...
It's time to treat your students to ratios, proportions, fractions and BIG BURGERS! In this activity students explore the ratio of the various ingredients in the world's largest burger (pic...