An electric lamp creates light by forcing electrons through the filament of its light bulb. The kinetic energy of the moving electrons comes directly from A.
electric potential energy.
B.
chemical potential energy.
C.
thermal kinetic energy.
D.
electric kinetic energy.

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

After cloud droplets form, what must happen to them for precipitation to occur?

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature