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Series 1: 23. Car Brakes and Car
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 visits a factory to see how a car is made from a large roll of steel sheeting. She uses special cameras to show how robots work with people to put the different parts of the cars together.
Source: CBeebies
Most recent episodes of Do You Know?
Do You Know?
Series 1: 24. Zips And Screen Printing
Maddie looks at clothes. She uses a special microscope camera to look at the zip on her hoodie. An animation shows how the slider works to pull the two rows of teeth together to ...
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CBeebies
Do You Know?
Series 1: 23. Car Brakes And Car
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 ...
14-03-2025
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Do You Know?
Series 1: 22. Escalator And Wheelbarrow
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 chai ...
13-03-2025
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Series 1: 21. Magnets And Teddy Bears
Maddie is looking at toys. She uses a special slow-motion camera to find out how the magnets on a train set work. An animation shows how the north and south poles on magnets wor ...
12-03-2025
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Series 1: 20. Eggs And Bread
Maddie is making breakfast in the kitchen. She visits a farm to see where eggs come from and uses a special thermal imaging camera to show why eggs change colour when they're co ...
11-03-2025
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Do You Know?
Series 1: 19. Dishwasher And Table
Maddie is in the kitchen. She uses a special waterproof camera to see how the dishwasher works to clean dirty dishes. An animation shows what happens inside once the door is clo ...
10-03-2025
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Do You Know?
Series 1: 18. Bus Ramp And Roads
Maddie is out and about exploring different ways to travel. She uses a special camera to find out how a bus ramp works to help people get on and off the bus. An animation shows ...
09-03-2025
CBeebies
Do You Know?
Series 1: 17. Piano And Drums
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 sh ...
08-03-2025
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Do You Know?
Series 1: 16. Lock & Key And Glass
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 t ...
07-03-2025
CBeebies
Do You Know?
Series 1: 15. Crane And Bricks
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 mecha ...
06-03-2025
CBeebies
Most popular episodes of Do You Know?
Do You Know?
Series 1: 15. Crane And Bricks
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 mecha ...
06-03-2025
CBeebies
Do You Know?
Maddie's Do You Know: At Christmas: 1. Reindeer And Christmas Decorations
Maddie goes on a Christmas adventure as she meets Santa's favourite helper, the reindeer, and discovers how Christmas decorations are made. She learns how reindeer keep warm in ...
24-12-2024
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Series 4: 5. Drinking Water And Carrot
In this episode, Maddie visits a reservoir that collects water from our homes, natural springs and the rain. She heads to a draw-off tower, which takes water from the reservoir ...
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Do You Know?
Series 1: 23. Car Brakes And Car
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 ...
14-03-2025
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Do You Know?
Series 1: 7. Boat Propeller And Hot-air Balloon
Maddie is out and about exploring different ways to travel. She uses a special underwater camera to see a boat propeller in action and an animation reveals how the propeller pus ...
25-02-2025
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Series 2: 15. Disco Ball And Jigsaw Puzzle
In today's episode, Maddie is having fun. She takes to the dance floor to show us how a disco ball works. We learn how light is reflected in lots of different ways, and a specia ...
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Series 1: 10. Water Park And Ice Cream
Maddie goes for a fun day out. She visits an indoor water park and uses a special waterproof camera and animation to show how a water slide works. She then goes underneath the s ...
28-02-2025
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Do You Know?
Series 1: 8. Blood Pressure Monitor And Cast
Maddie visits a hospital. She uses a special light to see the blood vessels under her skin and finds out how a blood pressure monitor works to check that blood is flowing freely ...
26-02-2025
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Do You Know?
Series 1: 14. Carousel And Wax Crayons
Maddie goes for a fun day out. She visits a fairground and goes for a ride on a carousel, using a special camera to find out how it works. An animation shows how the carousel go ...
05-03-2025
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Do You Know?
Series 1: 20. Eggs And Bread
Maddie is making breakfast in the kitchen. She visits a farm to see where eggs come from and uses a special thermal imaging camera to show why eggs change colour when they're co ...
11-03-2025
CBeebies