Mantis Shrimp: The Physics of a Punch

What is the primary reason mantis shrimp need to get angry?

• To communicate with other shrimp

• To eat

• To attract a mate

• To defend their territory

What tool is used to provoke the mantis shrimp in the video?

• A paint brush

• A small net

• A stick

• A laser pointer

What is the mantis shrimp's raptorial appendage?

• A modified claw

• A pair of wings

• A long antenna

• A sharp tail

How fast can the mantis shrimp's claw accelerate?

• As fast as a .22 caliber bullet

• As fast as a speeding car

• As fast as a cheetah

• As fast as a rocket

What phenomenon occurs due to the mantis shrimp's rapid punch?

• Condensation

• Cavitation

• Sublimation

• Evaporation

What happens to water when pressure is decreased?

• It condenses

• It boils

• It evaporates

• It freezes

What is the temperature inside the cavitation bubble compared to?

• A lightning bolt

• A volcano

• A hot stove

• The surface of the Sun

What is the main reason for the second force peak in the mantis shrimp's punch?

• The initial impact

• The collapse of a cavitation bubble

• The shrimp's muscle contraction

• The water's resistance

What is a new finding about the mantis shrimp's diet?

• They only eat other shrimp

• They only eat soft-bodied prey

• They are herbivores

• They eat a wide variety of things, including hard shells

Why might researchers want the mantis shrimp to be aggressive?

• To observe their social behavior

• To see them change color

• To get better footage

• To study their mating habits