1) Why is hearing important for animals? a) It helps them find food and avoid predators or other dangers.​ b) So that they can listen to music. 2) When creating devices are they only made from scratch?​ a) Yes they arre all new ideas b) No, some comes from previous designs 3) An aquadynamic testing facility is similar to... a) A wind tunnel b) An aquarium 4) What is an an eye-tracking rig? a) We use it to aim while gaming b) It records eye movements while a person uses software 5) What do you think a fair test is? a) When scientists conduct experiments, they change only one variable, record its effect, and keep all other factors the same. b) When scientists do experiments, they change many things at once to see what happens fastest.

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