5. The particle model of light explains how light can (pag a travel through empty space without a medium,
b. refract when it passes through a lens.
c. be reflected off a mirror,
d. diffract when it passes through a normal opening.
6. The amount of energy in a photon of light is proportio
a. medium through which it travels.
b. shape of the light wave it creates.
c. speed of the corresponding light wave.
d frequency of the corresponding light wave.

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.