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EXPERIMENT 7
Time to start
ice skating!
YOU WILL NEED
› The assembled ice skater
› 3 x AAA batteries or 3 x AAA rechargeable batteries
HERE'S HOW
1. Start by assembling the ice skater. You will find
instructions on the following pages.
2. Remove the side section of the ice skater and open the
cover on the underside of the vibrating motor.
3. Insert the batteries as indicated inside the
compartments. Then replace the cover and reattach the
side section.
4. Do you think your ice skater can skate even though the
vibrating motor is oriented vertically?
5. Try it! Slide the switch on the side of the vibrating motor
in one direction or the other. Does your ice skater skate
away?
6. In what direction does he skate? What happens if you
slide the switch in the other direction?
DID YOU KNOW ?
The first ice skating blades that people tried strapping under their feet were made
out of animal bones! These days, metal blades are more popular. The invention of ice
skating had nothing to do with having fun or playing a sport. It was simply conceived
as a way to get around. Since then, lots of sports have been invented that use ice
skates: ice hockey, figure skating, and speed skating, for example. Some countries
even hold ice-skating marathons! In Sweden, this race is known as "Vikingarännet"
("The Viking Run"), and it covers over 80 km from Uppsala to Stockholm.
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WHAT'S HAPPENING
Even when the vibrating motor is installed
vertically, the vibrations spread to all the
components and the ice skater moves. On a
smooth surface, your model will move like a real
ice skater. And you can even make him move
right or left by switching the direction that the
swing arm turns.
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