Have you ever longed to swim while wielding a longer snorkel? Well, there are a few reasons why they might be shorter than you'd like.

Ever notice how cereal clumps up in your bowl, or how cereal sticks to the edges of the bowl? Bubbles in beverages do the same thing.You've probably seen this surface tension and buoyancy at work, but did you know there's some...

Mr. Andersen shows you how to sink leaf chads in preparation for the AP Biology photosynthesis lab. An empty syringe is used to remove gas from the leaves before the lab. As the chloroplasts absorb light they produce oxygen bubbles...

Discover the forces at work underwater, which dictate why large boats float but small pebbles sink. Physics - Forces - Learning Points. The buoyant force is an upward-acting force determined by the weight of the displaced water. Ships...

Hot air balloons rely on heat alone to keep them in the sky. How does this work? Physics - Energy And Radioactivity - Learning Points. Hot air rises in cool air because it is less dense. The hot air within a hot air balloon creates the...

See how the density of an object is calculated and why some materials are buoyant.
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Learning Points
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If you were an alien who had just landed on Earth, what materials would you use to help you survive?
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Explore the fascinating world of buoyant force with this physics lesson on submerged objects in fluids! Join us as we dive into the principles behind Archimedes' discovery and unravel the mysteries of why objects float or sink. We'll...

Upon viewing the Forces in Fluids video series, students will be able to do the following: Define fluids as substances that can easily flow and readily change shape. Explain that fluids flow because particles can easily move past each...

Google parent Alphabet Inc. reported second-quarter revenue that exceeded analysts' expectations, boosted by advertising on the company's flagship search business. Meanwhile, Ruth Porat, the CFO is now going to become President and...

What do the bulls chase next? That was Tuesday's question of the day posed by Alix Steel and Dani Burger to Aoifinn Devitt, Moneta Chief Investment Officer on "Bloomberg Markets: Americas."

Smoke building up and dispersing

T/L video of volcanic eruption, Philippines, Dec 2009

Hot air Balloon being inflated silhouetted against dawn sky, Kenya, Africa (With audio of hot air balloon)

Hot air balloon being inflated, silhouetted against dawn sky, Kenya, Africa (With audio of hot air balloon)

Hot air balloon being inflated, flame from below, Kenya, Africa

Volcano erupts mushroom cloud ash explosion into the sky, Philippines, Dec 2009

T/L video of ash erupting from crater of volcano, Philippines, Dec 2009

T/L video of volcano erupting ash high into sky, Philippines, Dec 2009

Volcanic ash shoots high into atmosphere from large eruption, Mayon volcano, Philippines, December 2009

Large ash explosion rises into the sky above Mayon volcano overlooking Legazpi city, Philippines, December 2009

Volcano erupts large quantity of ash into air, Philippines, Dec 2009

Ash shoots high into air from crater of erupting Mayon volcano, Philippines, Dec 2009

T/L video of ash exploding during volcanic eruption, Philippines, Dec 2009