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Maddie's Do You Know?
Season 2
Episode 25

Refrigerator and Mushroom

September 21, 2018

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Maddie's Do You Know? - S2 - E25

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In today's episode, Maddie is at home to show us how a refrigerator works. She explains how the pump and the long pipes inside a fridge change a cooling liquid into a gas to help the food inside stay cold. Using a special thermal camera we see how food cools down inside. Next, Maddie heads to a mushroom farm to see how mushrooms are grown in a big factory. We see how the climate is controlled by a computer so the mushrooms can grow indoors all year round. Maddie uses a special camera to show us the microscopic spores that grow into mushrooms.

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Maddie's Do You Know?: Season 2 - 25 Episode s

2x1 - Shipping Container and Bubble Packaging
April 3, 2018
In today's episode Maddie is on the move. She finds out how things that we use every day are brought to us on big ships and moved around the country in shipping containers on trains. She visits a shipping port and uses a special camera attached to the shipping containers to find out what happens when they are lifted on a big crane. Next, Maddie visits a bubble packaging factory and uses a special slow-motion camera to show how the air gets trapped inside the bubble packaging when it is made.
2x2 - Umbrella and Car Wash
April 4, 2018
Today, Maddie is having fun with water. She takes a car through an automatic car wash to find out how the computer uses sensors to tell the robotic car wash how to wash the car, and she uses a special waterproof camera to see the big brushes in action. Next, Maddie heads to an umbrella factory to see how umbrellas are made using waterproof material. She uses a special slow-motion camera to show how the water droplets bounce off the waterproof material to keep us dry.
2x3 - Ice Rink and Bouncy Castle
April 5, 2018
Today, Maddie is having a fun day out. She uses a special thermal camera at an ice rink to find out how runny water freezes to make solid ice we can skate on. Next, Maddie heads to a bouncy castle factory to see how a bouncy castle is made from lots of different coloured pieces of material sewn together. She then has a go at bouncing when the finished jungle-themed bouncy castle is inflated and brought to life.
2x4 - Clock and Cutlery
April 6, 2018
Today, Maddie is finding out how clocks tell the time. She heads to a clock factory and uses a special time-lapse camera to show how the hands on the clock move around. Maddie also looks inside a battery-powered clock to see how they work. We see the tiny cogs that turn each of the hands so we can tell the time. Next, it's dinner time and Maddie visits a cutlery workshop to see how sheets of metal are made into forks. With a special microscope camera, we find out how the patterns are made using a special machine.
2x5 - Opticians and Glasses
April 9, 2018
Today, Maddie is finding out how wearing glasses helps us to see more clearly. She visits an optician to see how an eye test works by having one herself. She reads the charts and shapes on the wall and looks into a special camera that takes a picture of the back of our eyes to make sure they are healthy. Then, Maddie shows us how glasses frames are made by shaping gold wire at a factory. Maddie uses a special microscope camera to show us the ant-sized screws that hold glasses together!
2x6 - Sleeping Bag and Mattress
April 10, 2018
It's bedtime and Maddie is finding out about different things we sleep on and in! At a campsite she uses a special thermal camera to show how the layers in a sleeping bag work by trapping warm air inside to keep us warm. Next, Maddie visits a mattress factory to see how a mattress is made from layers of foam and material, a bit like a giant sandwich! She uses a special camera to see the tiny holes in the sponge that make the mattress nice and soft for us to lie on.
2x7 - Canal Lock and Gate
April 11, 2018
In today's episode Maddie is finding out about different gates that open and close. She visits a canal lock to find out how canal boats travel up and down hill. Maddie jumps aboard with her special steady camera as the canal boat moves through a lock so we can see the gates in action. Next, Maddie visits a blacksmith's workshop to find out how a decorative steel gate is made. We see the pieces of steel being cut and welded together. Maddie uses a special thermal imagining camera to see the sparks fly, and how hot the metal becomes, when it is joined together.
2x8 - Train Tracks and Paint
April 12, 2018
In today's episode, Maddie is at a train museum finding out how signal boxes work and how trains are moved from one track to another to get to the right place. Maddie puts her special camera on the front of a train so we can see what happens to the points when the train switches from one track to another. Next, Maddie visits a paint factory to find out how paint is made. She uses her special camera to see inside the huge mixing vat where all the different ingredients are being mixed together, and we see how a computer is used to make all the different colours.
2x9 - Handwash and Vacuum
April 13, 2018
Maddie is cleaning up. She visits a factory where hand wash is made and uses her special camera to see inside a big vat to see the colour being mixed. Next, Maddie visits an appliance testing centre to find out how a vacuum cleaner works. She takes apart a vacuum cleaner to show us all the different parts and, using her special camera, show us how air gets sucked up through the machine so the filter can collect all the dirt and dust from our carpet!
2x10 - Lifeboat and Concrete
April 16, 2018
Today, Maddie is learning about helpful vehicles. She goes on a training rescue mission with a lifeboat team to find out how the equipment on a lifeboat works. She shows us how the special thermal-imaging cameras are used to find people who are in trouble - even at night! Next, she visits a quarry to see how gravel, sand, cement and water are mixed together to make concrete. Maddie uses her special cameras to follow the journey the ingredients take from the quarry to the plant where everything is mixed together. We see how the mixing lorry then takes the concrete to the building site and how it is poured to make a road!
2x11 - Aeroplane and Trainers
April 17, 2018
Today, Maddie is on the move. She gets on board an aeroplane and shows us all the buttons inside the cockpit and how they work. Then she sits alongside Bridget, a pilot, in a flight simulator. We see how the pilot uses the controls in the cockpit to make the aeroplane take off and land. Maddie uses special cameras so we can see the same view as a pilot when they fly a plane. Next, she visits a factory where trainers are made from different materials. She uses a special camera to see how the robotic machines make the trainers at high speed, and she shows us how to tie bows in our shoe laces.
2x12 - Traffic Lights and Emergency Lights
April 18, 2018
In today's episode, Maddie is looking at useful lights. She shows us how traffic lights work so that vehicles can travel safely through a road junction. She visits a traffic control centre and uses a special camera high up in the air to see all the traffic in action at a busy junction. Next, Maddie visits a factory where emergency warning lights are made using computer designs. She helps to pick the components to make the lights and, using special cameras, we see how all the wires fit together to make a police light! Maddie shows us the light being fitted on top of a police car and tested for the first time.
2x13 - Hairclippers and Ballet Shoes
April 19, 2018
Today, Maddie is dressing up. She visits a barber to find out how clippers work to cut hair. Using a special microscope camera, Maddie shows us how the blades work, and a slow-motion camera lets us see the clippers in action. Next, Maddie visits a factory where ballet shoes are made. Using materials like satin and ribbon, Maddie sees how all the different cutters, sewing machines and hammers are used to put ballet shoes together.
2x14 - Playground and Plant Pots
April 20, 2018
In today's episode, Maddie is having fun outdoors. First, she's in a playground learning how we keep swinging on a swing and how gravity helps us slide down a slide. She uses a special camera to show us how friction stops us from going too fast. Next, Maddie goes to a factory where plant pots are made. She finds out how clay and shale from a quarry are mixed, shaped and baked into plant pots, then uses a special thermal camera to show us how hot the plant pots get when they travel through a kiln!
2x15 - Disco Ball and Jigsaw Puzzle
April 23, 2018
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 special camera on a long pole shows us how the tiny mirrors reflect light around a room. Next, Maddie heads to a factory where they make jigsaw puzzles from wood. Maddie's head camera gives us a special view when the puzzles are cut using an electric saw.
2x16 - Posting a Letter and Colouring Pencils
September 10, 2018
In today's episode, Maddie is sending a letter in the post to the CBeebies house. She finds out how posting a letter works as she follows the letter's journey from the post box to the sorting office and finally to the house. Using a special infrared light, Maddie shows us how stamps are scanned to tell if they are first or second class. Next, she visits a factory where colouring pencils are made. She finds out how the coloured crayon inside is made from clay and, using her slow-motion camera, we see the wooden shaft of the pencil being made.
2x17 - Bubbles and Chocolate
September 11, 2018
In today's episode, Maddie is having a party! She finds out how bubbles work when we blow into bubble mixture. She shows us how the surface tension of water changes when we add soap and how we can stop bubbles from bursting with our hands, and using her slow-motion camera, she shows how bubbles make a sphere shape. Next, Maddie heads to a factory where a party favourite is made - chocolate! We learn how chocolate starts out as a fruit, and we see the chocolates being made for an assortment box. Maddie also uses her special camera to see the super-fast robots that put the different chocolates into the right holes in their boxes.
2x18 - Lift and Space Suit
September 12, 2018
In today's episode, Maddie is finding out about things that go up and down. She shows us how a lift works, when it carries people up and down between floors of a building. With the help of an engineer and her special cameras, Maddie show us how the gears and weights are controlled by a computer. Next, it's time for lift-off as Maddie heads to a space museum. We see how a spacesuit is made from lots of different layers of special materials to keep astronauts safe when they are working in space, and Maddie uses her special thermal camera to see how the suit keeps astronauts warm.
2x19 - Television and Carpet
September 13, 2018
In today's episode, Maddie is relaxing at home, playing games and watching television. She shows us how a television screen works using millions of tiny squares called pixels. Using her special microscope camera, Maddie shows us how a pixel can make any colour from just three coloured lights - red, blue and green. Next she visits a factory where carpet is made. Maddie follows the journey that wool takes, from shearing a sheep to going through the factory, to end up in the carpets we have at home. Maddie uses her special slow-motion camera to show us how the different coloured threads are woven together on a loom to make a carpet.
2x20 - Kite and Wind Turbine
September 14, 2018
In today's episode, Maddie is outdoors finding out about things that use the wind. She finds out how a kite works when it flies high in the sky, shows us how to measure the wind speed, and uses a slow-motion camera to explain how a kite catches the wind to stay in the air. Next, Maddie finds out how electricity is made on a wind farm. She visits a wind turbine to see how it turns wind energy into electricity.
2x21 - Fish Tank and Bath
September 17, 2018
In today's episode, Maddie finds out about things that use water. She visits an aquatic centre to show us how a fish tank works, using a special underwater camera to explain how a filter works inside a tank to help keep the water clean and free from fish waste. Next, Maddie visits a factory to find out how bath tubs are made. Starting with a thin sheet of plastic, she shows us how the bath is moulded by air suction. She uses a special camera to explain how a fibreglass gun is used to make the bath strong enough for us to use.
2x22 - Hand Dryer and Toilet Roll
September 18, 2018
In today's episode, Maddie is looking at things we use when we go to the toilet. She visits a factory to see how hand dryers work. She shows us how infrared light is used to switch the machine on and uses her special camera to see water droplets blasted off her hands in slow-motion. Next, Maddie heads to a toilet roll factory to see the how toilet rolls are made. Using a special camera we see inside a pulp-mixing machine, then how a giant mill squeezes the runny mixture into flat sheets of paper that are dried and made into toilet rolls.
2x23 - Prosthetic Leg and Detection Dog
September 19, 2018
In today's episode, Maddie is looking at the way things are made or trained to help us. First, she meets seven-year-old Anu, who uses a prosthetic leg. Maddie visits a workshop where prosthetic limbs are made and finds out how a computer uses 3D images to make a model, then uses her special camera to see how the images are carved into foam. Next, Maddie meets Nano, a special dog that has been trained to detect nuts and warn his owner who has a nut allergy. We learn how a dog's nose is different from our nose and, using a special camera, we see how Nano makes sure a picnic is safe for his owner.
2x24 - Barcode and Fish Cakes
September 20, 2018
In today's episode, Maddie is visiting a supermarket, where she finds out what barcodes are and how they work. At the checkout, we learn how an infrared scanner reads barcodes to find out what items we are buying and how much they cost. Maddie uses a special camera to see how the right items in the stock room get to the right shelves in the supermarket. Next, Maddie heads to a factory to see how fishcakes are made. We see how fresh cod is filleted and added to other ingredients on a massive scale. Maddie uses a special camera to show how the ingredients are shaped and go under a breadcrumb shower to come out as a fishcake.
2x25 - Refrigerator and Mushroom
September 21, 2018
In today's episode, Maddie is at home to show us how a refrigerator works. She explains how the pump and the long pipes inside a fridge change a cooling liquid into a gas to help the food inside stay cold. Using a special thermal camera we see how food cools down inside. Next, Maddie heads to a mushroom farm to see how mushrooms are grown in a big factory. We see how the climate is controlled by a computer so the mushrooms can grow indoors all year round. Maddie uses a special camera to show us the microscopic spores that grow into mushrooms.

Maddie's Do You Know?: All seasons

S1: Season 1
25 Episode s
S2: Season 2
25 Episode s
S3: Season 3
25 Episode s
S4: Season 4
20 Episode s
S5: Season 5
3 Episode s

Create Your AI Girlfriend!

2x1 - Shipping Container and Bubble Packaging

2x2 - Umbrella and Car Wash

2x3 - Ice Rink and Bouncy Castle

2x4 - Clock and Cutlery

2x5 - Opticians and Glasses

2x6 - Sleeping Bag and Mattress

2x7 - Canal Lock and Gate

2x8 - Train Tracks and Paint

2x9 - Handwash and Vacuum

2x10 - Lifeboat and Concrete

2x11 - Aeroplane and Trainers

2x12 - Traffic Lights and Emergency Lights

2x13 - Hairclippers and Ballet Shoes

2x14 - Playground and Plant Pots

2x15 - Disco Ball and Jigsaw Puzzle

2x16 - Posting a Letter and Colouring Pencils

2x17 - Bubbles and Chocolate

2x18 - Lift and Space Suit

2x19 - Television and Carpet

2x20 - Kite and Wind Turbine

2x21 - Fish Tank and Bath

2x22 - Hand Dryer and Toilet Roll

2x23 - Prosthetic Leg and Detection Dog

2x24 - Barcode and Fish Cakes

2x25 - Refrigerator and Mushroom

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Season 5