This term describes a material that allow light to go through it.
What is translucent?
This organ is responsible for detecting sound vibrations.
What is the ear?
Who invented the light bulb.
What is Thomas Edison?
Usain Bolt holds the world record for the fastest time in this sprinting event.
What is the 100-meter dash?
Can sound waves generate heat?
What is yes?
This determines how high or low a sound is.
What is pitch?
Who invented music.
What is no one?
At roughly 299,792 kilometers per second, it holds the absolute record for the fastest speed in the universe.
What is the speed of light?
This term describes materials that allow no light to pass through them.
What is opaque?
How fast does sound travel?
What is 750 mph?
This invention uses a special lens to make tiny things, like germs or bugs, look much bigger.
What is a microscope?
This marine mammal holds the record for being the largest animal on the planet.
What is the Blue Whale?
These are the three primary colours of light.
What are Red, Green, and Blue?
If a guitar string is tightened, this happens to the pitch.
What is it gets higher?
This tool, often used by doctors, lets you see the bones inside your body by passing light energy through your skin.
What is X-ray?
Daily Double!!
What is the quietest place in the world.
What is the anechoic chamber at Orfield Laboratories?
This is the colour of light that bends the most when passing through a prism.
What is violet?
A sonic boom occurs when an object travels faster than this.
What is the speed of sound?
Sailors use this invention to send sound pulses underwater to find fish or measure how deep the ocean is.
What is sonar?
This river, which flows over 6,600 km to the Mediterranean, holds the title of the world's longest.
What is the Nile?