The Mysterious Planet
On a routine exploratory mission, you crash land on an unknown planet.
You discover lakes full of a beautiful silvery liquid. Some of your scientific equipment survives the trip, including a graduated cylinder, a balance, and a displacement beaker. You need to cross the lake in order retrieve your distress beacon, but you figure you better find out a bit about it first...
1. Explain in detail, step by step if necessary, how you would find the density of the mysterious liquid.
2. You find that 100 ml of the liquid weighs 25 grams. What is the density of the liquid? Show your work.
3. Your space rover has a density of 0.5 g/cm3. Will it float or sink in the mystery liquid? Why or why not?
4. Based on your findings of density and your knowledge of Archimedes principle, explain why crossing this lake is a bad idea.
this is the Earth...from space
About Me
- Mr. Witman
- Born and raised in Grafton Massachusetts, I graduated from the Massachusetts Academy of Math and Science and later earned my degree in Biology from Rensselaer Polytechnic Institute. While at Rensselaer I also earned minors in Studio Arts, Music, and Literature. Shortly after graduation, I joined the New York City Teaching Fellows and moved to the Bronx to begin a career in education. Last year I earned my Masters degree in Secondary Science Education from Lehman College.
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