Do You Know?

Rating:3.2 of 5Total number of episodes:25Last episode broadcasted:14/05/2017 at 19:43
Episodes
14:00

November 2, 2016

4.0 3 x
Maddie goes for a drive in the car. She uses a special microscope camera to find out how car brakes work. An animation shows how the brake pedal is connected to the brake discs and pads and how they move to slow down and stop the car. Next, Maddie v...
14:00

November 1, 2016

4.0 4 x
Maddie is at a shopping centre. She uses special cameras to find out how an escalator works to move people from one floor to another. An animation shows the hidden cogs and chains inside the escalator which make the steps move.
14:00

October 25, 2016

Expired 4.0 0 x
Maddie looks at musical instruments. She uses a special slow-motion camera to find out how a piano works and how the keys on the piano are attached to levers and hammers. She shows how the strings inside the piano vibrate to produce musical notes. N...
14:00

October 24, 2016

Expired 3.0 1 x
Maddie explores the house. She uses a special camera and animation to see how a key works inside a lock and shows how the hidden barrel and pins inside the lock work, to allow the matching key to unlock it. Next, Maddie shows how sand is made into g...
14:00

September 23, 2016

Expired 3.0 5 x
Maddie visits a building site. She uses a special camera to see how a big crane works to move heavy objects from one place to another. An animation shows how the hydraulic mechanism, hidden inside the boom arm, enables the crane to extend high into ...
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