Be Smart
The REAL Physics of Hot Air Balloons!
Up, up, and away! Teach your class the science behind hot air balloons when by showing them the short video segment describing the physics of how they remain in the air and travel distances through different atmospheric conditions. They...
Curated OER
Balloon Expansion
Have your class explore how a hot air balloon works. Through a simple demonstration, learners can see the process up close, and discuss why this occurs. They can then perform related experiments on their own.
Curated OER
Balloon Expansion - Sick Science! #038
Have your class explore how a hot air balloon works. Through a simple demonstration, learners can see the process up close, and discuss why this occurs. They can then perform related experiments on their own.
Crash Course
Air Travel and the Space Race: Crash Course History of Science #37
From balloons to satellites, air travel has come a long way over the years. A video presentation discusses the origin of space travel beginning with hot air balloons and gliders to the modern-day space race. Content includes discussion...
Veritasium
Seeing the Invisible: Schlieren Imaging in Slow Motion
Heat rises, but what does that actually look like? The video shows many examples of air currents, such as a burning match and squeezing helium out of a balloon. It highlights common observations that are rarely seen such as gas vapors...
Crash Course
Ideal Gas Problems
The Hindenburg and its use of the highly flammable gas hydrogen, used to keep it afloat, eventually caught fire and killed 36 people. Use the Ideal Gas Law through analysis of the Hindenburg and discover why scientists chose hydrogen...
Anywhere Math
Comparing and Graphing Ratios
Finding a unit rate is imperative to the smart shopper! A video lesson introduces learners to a comparison of ratios. Initially, the instructor manipulates the ratios to have a common denominator for better comparison. He then explains...
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