, 16 February 2022
Here is an acoustic quiz for you to sound out! Answer these questions and get some good vibrations.
True. Percy LeBaron Spencer noticed that the chocolate bar in his pocket had melted while he was testing a radar machine. He then made an experimental microwave oven and used it to make popcorn!
Sound travels about 4 times faster in water than in air.
The ears of a cricket are located on the front legs, just below the knee.
Pulsars are spinning neutron stars that send out pulses of radio waves.
Captain Charles “Chuck” Yeager of the United States Air Force broke the sound barrier on 14 October 1947 flying the Bell X-1 rocket-powered plane.
Congratulations! You are a real science whiz!
Oh dear! Better brush up before the next quiz!
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