TED-Ed: How do geckos defy gravity? - Eleanor Nelsen

Interactive Video
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Physics, Science, Chemistry
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KG - University
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Easy
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What principle do geckos use to stick to surfaces?
Frictional force
Chemical bonding
Positive and negative charge attraction
Magnetic attraction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for an atom's tendency to attract electrons?
Electron affinity
Atomic radius
Electronegativity
Ionization energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do van der Waals forces arise between molecules?
Through permanent charges
Due to temporary electron cloud shifts
By forming covalent bonds
Via magnetic fields
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the tiny structures on gecko toes that help them stick to surfaces?
Spatulae
Microvilli
Flagella
Cilia
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one application of gecko-inspired materials?
Creating waterproof clothing
Manufacturing solar panels
Developing non-stick cookware
Designing climbing gear
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