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Lesson Plan
Curated OER

Density Studies of the Earth

For Teachers 8th - 12th
Density comes to life as investigators place soda cans into containers of various liquids to find if they sink or float. They layer different density liquids, compare densities of different gases, and more. A total of six different...
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Primary
Nobel Media AB

The Nobel Prize: Lord Rayleigh Nobel Lecture

For Students 9th - 10th
At this site from The Nobel Foundation you can download and read Lord Rayleigh's Nobel Lecture, "The density of gases in the air and the discovery o argon" (in pdf format).
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Interactive
PBS

Pbs Learning Media: Floating and Sinking: Hot Air Balloons

For Students 9th - 10th
Why do hot air balloons float? This resource from the NOVA Web site offers a series of interactive activities that illustrates the physics of hot air balloons.
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Handout
Nobel Media AB

The Nobel Prize: Lord Rayleigh Biographical

For Students 9th - 10th
At this site from the Nobel e-Museum, you can read about the scientific work of Lord Rayleigh (1842-1919 CE). This article includes information on his education and experiments with light and sound waves.