To win in Olympic swimming, contestants have to be incredibly fit and have marvelous endurance and technique. Do they also need to consider the science of their motions and their equipment? Could your swimsuit, swim cap and goggles be holding…

Repaired! We found this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get in a Starbucks coffee? What is the whole circle worth? How do you…

The AQI is a measurement of how much particulate matter, dangerous ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world’s atmosphere at any one time and place. Students learn about the scale of the AQI and research some of the contributors for many unhealthy locations.

Spring is the start of tick encounters. Help students study the prevalence of Lyme disease in the US; in their own state; and methods for preventing it. What are your odds of contracting Lyme disease?

Shoprite is the largest supermarket chain in Africa. The company is presently engaged in increasing their use of solar power to harness the abundant natural resource of solar potential on the African continent. Besides saving the Earth, how big is…

Thursday, April 22nd is Earth Day – We have 15 interesting activities that support recycling, conserving resources, noticing climate change and protecting our planet. The shape of Louisiana – At what rate is the state loosing land and wetland? Why is this happening? Will…

Students create equations for finding the break-even points of hybrid and electric vehicles by mileage and years of ownership. They work with systems of equations to find the number of years or number of miles where the cost of these cars are the same.

Three Saint Patrick’s Day activities. (1) The probabilities of finding a 4-leaf clover; (2) the necessary proportion to dye the Chicago river green for the day; and (3) nutritional evaluation of McDonalds’ Shamrock Shake. Plus, watch a great video to learn how to spot a 4-leaf clover.

In this class opener activity, we’ve asked students to how this time shift will feel. Does a shift ahead make you go to bed later or earlier? Will you lose or gain an hour to your day? How will you feel during that day and maybe the next?

What’s your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle? Students make guesses; compute how long, on average, the change in daylight hours should be; and finally understand the variability in our year of daylight hours.

Start this activity with: What do you notice? What do you wonder? How many inches of snow produced that pile? How much snow in volume is on top of the car? How much could that snow weigh? Students try to approximate the…

On Saturday, January 2nd, 2021, 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 perihelion and aphelion as they calculate…