Showing posts with label Physics. Show all posts
Showing posts with label Physics. Show all posts
Thursday, July 23, 2009
Science bob explain quickly how to produce sounds from a straw and how to make a chicken voice using a plastic glass.
http://www.youtube.com/watch?v=gjUFTiHYN5kendofvid
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Find out how the materials absorb heat and the relation between heat and temperature for different materials.
[endtext]
http://www.youtube.com/watch?v=rOib92FriZYendofvid
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Instead of these materials you can use a simple magnet from speakers, paper clips and adhesive type to build your own electrical motor.
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http://www.youtube.com/watch?v=zRQkYWpeMsYendofvid
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This video shows a different kind of electrical engine, it uses two coils as electrical magnets to attract, alternately, a piece of iron and generates movement.
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http://www.youtube.com/watch?v=3jr39mU8H8kendofvid
[starttext]
Water and ice when looked at infra red camera can help us to understand how light and heat are related.
[endtext]
http://www.youtube.com/watch?v=Lcf9wyW_3GEendofvid
[starttext]
Infra red light can be thought of as “heat”
The warmer something is, the more brightly it glows in the infrared.
Apiece of glass may be bright, but it is cool, so it will appear black in the infra red camera.
Even though a person may stand in shadows her body heat shines in the infrared.
[endtext]
Play baseball with molecules and learn what makes the sky blue or sometimes red!
Music from a straw and a chicken in a cup
Science bob explain quickly how to produce sounds from a straw and how to make a chicken voice using a plastic glass.
Is possible to boil water inside a balloon?
[starttext]
Find out how the materials absorb heat and the relation between heat and temperature for different materials.
[endtext]
Simple way to build an electrical motor
[starttext]
Instead of these materials you can use a simple magnet from speakers, paper clips and adhesive type to build your own electrical motor.
[endtext]
Different kind of electrical engine
[starttext]
This video shows a different kind of electrical engine, it uses two coils as electrical magnets to attract, alternately, a piece of iron and generates movement.
[endtext]
Infra red images of everyday life 2
[starttext]
Water and ice when looked at infra red camera can help us to understand how light and heat are related.
[endtext]
Infra red images of everyday life
[starttext]
Infra red light can be thought of as “heat”
The warmer something is, the more brightly it glows in the infrared.
Apiece of glass may be bright, but it is cool, so it will appear black in the infra red camera.
Even though a person may stand in shadows her body heat shines in the infrared.
[endtext]
What makes the sky blue?
Play baseball with molecules and learn what makes the sky blue or sometimes red!
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