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Title  How Do Airplanes Fly? 
Orig Air Date   
Synopsis  We learn how birds fly. They have rounded wings on top and are flat underneath and airplanes are built according to these principles. With this shape, ... 
 
Title  How Do Animals Clean Themselves? 
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Title  How Do Animals Talk? 
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Synopsis  Animals use many different types of signs to pass messages to each other. They use signs that you can see, hear, smell and feel. Insects and birds tel ... 
 
Title  How Do Cars Move? 
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Synopsis  We find out that cars have lots of moving parts in them but the most important bit that makes it go is the engine. We find out that a car needs fuel t ... 
 
Title  How Do Cartoons Work? 
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Synopsis  We learn that there are many different stages to making a cartoon, from coming up with the idea to writing scripts to drawing all of the pictures all ... 
 
Title  How do I dream? 
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Synopsis  When our body is tired we need to go asleep and rest so that it will be strong again for the next day. We find out that everything in our body slows d ... 
 
Title  How Do I Grow? 
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Synopsis  We learn that our body is made up of cells, which are constantly splitting in two and growing. As we grow our body changes on the inside and on the ou ... 
 
Title  How Do Ships Float? 
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Synopsis  We find out that even though ships are really big and heavy the reason they can float is because of their shape. Things that are full of air also floa ... 
 
Title  How Do Telephones Work? 
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Synopsis  Here we learn how to communicate in different ways. A metal plate inside the phone converts our voice to an electronic signal. Telephones work by send ... 
 
Title  How do you know the time? 
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Synopsis  We find out that lots of people know what time it is just because of where the sun is in the sky. Most people know because of their watches. We learn ... 
 
Title  How does chocolate melt? 
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Synopsis  We find out that a chocolate bar left in your pocket will melt but if it is put in the fridge it will not. This is because it is heat that makes thing ... 
 
Title  How does it snow? 
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Synopsis  We learn that our hearts are in the middle of our bodies and its job is to move the blood all around our bodies and to keep it moving all the time. Ev ... 
 
Title   
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Synopsis  We find out that the moon is like a little planet that goes around the world. It is very far away. We learn that there is no air or water or grass on ... 
 
Title  Where Did The Dinosaurs Go? 
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Synopsis  We learn that the Dinosaurs all died away a very, very long time ago. Some people think it could have been a meteor that hit Earth and was so huge it ... 
 
Title  Where Do Shells Come From? 
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Synopsis  We learn that shells found on the beach were once the homes for shellfish, which the shellfish make themselves. All shells are hard in order to protec ... 
 
Title  Where Does Air Go? 
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Synopsis  We find out that when we breathe in the air goes down into our lungs. Our lungs take Oxygen out of the air and use it and we learn how the lungs and t ... 
 
Title  Where Does Cheese Come From? 
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Synopsis  Here we learn that cheese comes from milk. Not only from cows but from many different animals. Cheese is made on farms, big factories or creameries. T ... 
 
Title  Where does fruit come from? 
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Synopsis  We find out that fruit mostly comes from trees but sometimes grows in hedges like blackberries or on small plants. We learn that fruit is very tasty a ... 
 
Title  Where does heat come from? 
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Synopsis  We find out that most of the heat in the world comes from the Sun. Just as it is hot on a sunny day it is colder when there are clouds in the sky. We ... 
 
Title  Where does money come from? 
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Synopsis  Money is made at a special building called the mint and every country has its own one. We find out all about banks and we find out that different coun ... 
 
Title  Where does my hair come from? 
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Synopsis  Hair is made inside the body and hangs on because of the roots, which attach it to our head. We learn how to take care of our hair by brushing it. We ... 
 
Title  Where Does Our Waste Go? 
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Synopsis  We are told that we should never, ever throw rubbish on the ground and if we do not want it any more we should throw it in a bin. As we are running ou ... 
 
Title  Where is my Brain? 
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Synopsis  We find out that our brains are inside our heads. The brain is protected by a very hard bone, which is called the skull. This bone is so hard because ... 
 
Title  Why Do Animals Hibernate? 
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Synopsis  We learn that animals hibernate all through the winter. They go into a much deeper sleep than we do at night. Their breathing slows down, their hearts ... 
 
Title  Why Do I Have To Wear Clothes? 
Orig Air Date   
Synopsis  Here we learn that different clothes have different functions. Some clothes keep us warm when we are cold like hats and scarves and gloves. Other clot ... 
 
Title  Why Do People Wear Uniforms? 
Orig Air Date   
Synopsis  We learn that there are many different reasons why people wear uniforms. Nurses, doctors and policemen and women wear uniforms so that they are easily ... 
 
Title  Why Do We Have Seasons? 
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In 1935, cartoonist Sidney Smith signed a contract that would instigate a fatal accident.