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Bell Ringer 3/29/2019

Last updated almost 7 years ago

2 questions

50

50

Question 1

1.

This appliance dries clothes primarily by converting-

Electrical energy to heat and mechanical energy

Mechanical energy to heat and electrical energy

Electrical energy to heat and light energy

Mechanical energy to heat and vaporization

Question 2

2.

What energy transformations occur when propane gas is used to lift the balloon?

Mechanical-->Light-->Chemical

Chemical-->Mechanical-->Thermal

Thermal-->Chemical-->Light

Chemical-->Thermal-->Mechanical