TED-Ed: If superpowers were real: Body mass - Joy Lin

The video explores the scientific implications of superhero abilities, focusing on size changes and elemental transformations. It discusses the law of conservation of mass, Galileo's square cube law, and the challenges of maintaining density and physical integrity. The video also examines the feasibility of transforming into elements like sand or rock, highlighting the complexities of nuclear fusion and fission.

What scientific principle suggests that a superhero's mass remains unchanged despite a change in size?

• Law of Motion

• Law of Thermodynamics

• Law of Conservation of Mass

• Law of Gravity

According to Galileo's square cube law, how does a superhero's weight change when their height triples?

• It triples

• It increases 27 times

• It remains the same

• It doubles

In the scenario where the superhero weighs 5,400 pounds, what is a potential issue they might face?

• Breathing underwater

• Flying at high speeds

• Finding a suitable costume

• Sinking into the ground

What is the primary challenge for a superhero who weighs 5,400 pounds in terms of energy requirements?

• Staying hydrated

• Sleeping enough

• Maintaining a low heart rate

• Finding enough food

What is a potential risk for a superhero who transforms into sand?

• Becoming invisible

• Losing their strength

• Releasing radioactive particles

• Melting in the rain

What is a major obstacle in using nuclear fusion for superhero transformations?

• Need for extreme heat

• Limited time

• Insufficient energy

• Lack of materials

What defines each element on the periodic table?

• Number of protons

• Number of electrons

• Number of neutrons

• Atomic mass