Energy II

Which energies are potentials energies?

• chemical

• mechanical

• sound

• elastic

Which energy transformation happens when the blades are spinning as shown?

• Electrical to mechanical

• Chemical to electrical

• Mechanical to electrical

• Chemical to mechanical

Tags

112.18.b.9.C

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

• Convection

• Conduction

• Radiation

• Globulation

A fireman that is at a building that is on fire feels a door and it is hot. Why does his hand feel hot?

• Convection

• Conduction

• Radiation

• The Human Torch was on the other side!

A huge boulder at the state park in Arizona gets so hot during a mid summer's day. This is due to...

• Convection

• Conduction

• Radiation

• Boogie Fever

At which point is potential energy greatest?

• W

• X

• Y

• Z

When a pendulum swings, at which point is kinetic energy highest?

• 1

• 2

• 3

• 4

Which phase is happening between X to Y

• melting

• freezing

• boiling

• condensation

Which is true about the molecules at 0 K?

• They are moving really fast

• They are moving really slowly

• There is no motion at 0 K

• All of the above are true

How does a thermometer works.

• high temperature = expands

  low temperatures = contracts

• high temperature = contracts

  low temperatures = expands