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S1 • E1
Maddie meets some furry friends and creepy-crawlies. She visits a pet shop and uses a special night-vision camera to find out how a hamster wheel works and how far a hamster can run in a single night.
S1 • E2
Maddie looks at the emergency services. She uses a special camera to find out how the hose on a fire engine works and how the pump inside the fire engine creates pressure and sends water to the hose.
S1 • E3
Maddie looks at food and drink. She uses a special slow-motion camera to find out how bubbles get inside a bottle of fizzy water. Animation shows how gas is used to create the bubbles and then keep them hidden.
S1 • E4
Maddie does the recycling. She uses a special camera to find out how a bin lorry works to lift a bin and tip the rubbish into the hopper. An animation reveals how a moving wall inside the lorry crushes rubbish.
S1 • E5
Maddie is outside being active. She uses a special camera to find out how the chain on a bicycle works to turn the wheels and how the front wheel and handlebars are used to steer.
S1 • E6
Maddie meets some furry friends. She uses special cameras to find out how a digital cat flap works and how a tiny microchip unlocks the cat flap so the cats can go in and out of the house.
S1 • E7
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 pushes the boat through the water.
S1 • E8
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 around our bodies.
S1 • E9
Maddie is preparing for bath time. She uses a special thermal imaging camera to find out how the hot water system in a house works and then visits a reservoir to see where the water comes from.
S1 • E10
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 swimming pool to see what happens.
S1 • E11
Maddie explores some favourite foods. She uses a special slow motion camera to find out why popcorn pops. An animation shows what popcorn is made of and how a water droplet hidden inside each kernel of corn expands.
S1 • E12
Maddie is out and about exploring different ways to travel. She visits an airfield and uses a special camera to find out how the rotor works to help make a helicopter fly.
S1 • E13
Maddie is in the bathroom. She uses a special underwater camera to find out how a toilet flush works and why it makes a gurgling sound. An animation shows how the float ball and plug work together.
S1 • E14
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 goes round and how the crankshaft works.
S1 • E15
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 enables the crane to extend high into the sky.
S1 • E16
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.
S1 • E17
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.
S1 • E18
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.
S1 • E19
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 closed and how the spray arms spin.
S1 • E20
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 cooked.
S1 • E21
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 work.
S1 • E22
Maddie is at a shopping centre. She uses special cameras to help 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.
S1 • E23
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.
S1 • E24
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 close the zip.
S1 • E25
Maddie is getting ready for a party. She uses a special camera and animation to find out how cake ingredients work together to make cake sponges rise in the oven.
Self - Presenter