# QR Teaching Activities

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Results 41 - 50 of **83 matches**

Back-of-the-Envelope Calculations: Size of Olympus Mons part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question A picture-perfect strato-volcano such as Fujiyama in Japan is what comes to mind when most people think of a volcano. Mt. Fuji is an imposing volcanic construct, rising from nearly sea level to a summit at ...

Back-of-the-Envelope Calculations: Position and Dimensions of the Moon part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question Suppose you could scale the Earth down to the size of your head. At that scale, how big would the Moon be, and how far away would it be from your head?

Back-of-the-Envelope Calculations: Communication with Mars part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question Suppose you were living in a Mars colony, and you wanted to call home to your parents on Earth. You say, "Hello! How are you?" How long do you have to wait until you hear them say, ...

Back-of-the-Envelope Calculations: Scale of the Himalayas part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question Let's imagine a scale model of the Earth, and let's imagine that the Earth is the size of a basketball. Suppose that you wanted to build the Himalayas to scale on the surface of the basketball. ...

Back-of-the-Envelope Calculations: The Scale of the Atmosphere part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question Let's imagine a scale model of the Earth and use a basketball to represent the Earth. Now, let's get ourselves some packages of fruit roll-ups and start covering the basketball with layers of ...

Back-of-the-Envelope Calculations: Size of KT Meteorite part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question About 66 million years ago at the end of the Cretaceous Period, a meteorite estimated to have been about 10 km in diameter slammed into the Earth. Let's put the size of this cosmic cannonball into ...

Back-of-the-Envelope Calculations: The Right Eye of the Man in the Moon part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question The "right eye" of the Man in the Moon is really Mare Imbrium, the central portion of a gigantic multi-ring basin formed by a colossal meteorite impact several billion years ago. Which of the ...

Back-of-the-Envelope Calculations: Orbital Distance Scale part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Question Let's imagine a scale model of the Earth with an orbiting Space Shuttle. Suppose that the Earth is the size of a basketball. How far above the basketball does the Shuttle orbit?

Back-of-the-Envelope Calculations: Height of the Himalayas part of Quantitative Skills:Activity Collection

Barb Tewksbury, Hamilton College

Choosing Between Home Appliances: Benefits to the Planet and Your Wallet part of SISL:2012 Sustainability in Math Workshop:Activities

Corri Taylor, Wellesley College

Students research various options for new appliances and make purchasing decisions based not merely on purchase price, but also on energy efficiency, which has implications for the planet AND for longer-term personal finances. Students calculate the "payback period" for the more energy efficient appliance and calculate long-term savings.