Inertia
Energy
Friction
Skateboard history1
Skateboard history2
100
What does a object want to do when sitting?
Stay.
100
What is kinetic energy?
Energy of motion.
100
What happens with friction?What energy
Heat
100
When were skateboards invented?
Early 1900s
100
When did the first skatepark open?
1976
200
What does a object want to do while moving?
Continue moving.
200
What is potential energy?
Stored energy
200
What is absolute zero?
Much colder then thermometer zero
200
What was a 1950 skateboarding place called
Dogtown Venice
200
What happened to skatepark owners?
They got sued because of injuries
300
I sfriction an outside force?What fixes it?
Yes Streamlining
300
What is radiant energy?
Energy of light that travels in waves
300
What is friction?
The transfer of kinetic energy from a moving body to the atoms of matter around it
300
About how many skateboards were made from 1963 to 1965
4000000
300
What is the biggest skateboarding trick?
Ollie
400
What is Newtons first law?
A stopped body will stay stopped, and a moving body will stay moving at the same speed and direction, unless an outside force acts upon it.
400
What is sound energy?What doues it travel through?
Sound energy is the energy of sound and travels through mass of objects
400
What makes less friction?
smooth surfaces and wheels
400
Why couldnt kids skate in 1965
Injuries and deaths
400
What did ESPN host?
X games
500
Give an two examples.
No specific answer
500
Give examples of transformations of energy.
A loud speaker transforms electrical into sound. A solar cell transformslight energy intoelectrical
500
What do all atoms do?
Wiggle and jiggle Move
500
What were wheels changed from
Metal to clay to Urethane
500
What are the 3 types of skateboarding?
Freestyle, street style, and vertical stlye
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