UNIT 8

ROLLER-COASTER

• Thermal energy
• Potential energy
• Kinetic energy
• Sound energy
• Electrical energy

Kinetic and potential
Kinetic energy changes into potential energy as it goes up hill.
As it goes downhill it changes from potential energy back to kinetic.

Kinetic and potential energy transfers into electrical energy as the coaster goes up hill with the gears.

THERMAL ENERGY

• Happens when using the brakes
• Going uphill gears are moving
• Make people throw-up from nervousness

SOUND ENERGY

• Is in use the whole ride
• It can make you scream!!

ELECTRICAL ENERGY

• Used the whole time
• Press a button for the coaster to go
• Used when you get strapped in with bars
• Transfers to the coaster because it needs
• Help to get up the hill