Beet juice is added to a unknown solution and changes color from red to purple. Curry powder, added to the same solution, turns a deep red color. What can you tell about the hydrogen/hydroxide ion concentration of the unknown liquid?

What type of light has the wavelength of: (Show Work!) A) 5.0 x 10^-4 m? B) 2.4 x 10^-8 m? C) 12mm?

When the blood flows through the capillary bed, most of the plasma will return to the heart through the venules. What happens to the plasma that does not travel to the venules? It is removed by the lymphatic vessels. It is lost as heat.

A student makes a series of dilutions similar to experiment 15. The original culture contains 20 mL. For the first dilution, 0.1 mL is taken from the original culture and transferred to Tube A which contains 9.9 mL of water.

The bending of light as it moves from one medium to another with differing indices of refraction is due to a change in what property of the light?

If the energy carried by a wave increases, which other wave property also increases? A) amplitude B) medium C) wavelenght D) wave speed

When an object falls through the air and encounters air resistance its overall speed will be

A shock wave first forms when an object ___ the speed of sound.

Which of the following simple machines includes a wedge? A. axe B. file C. bolt D. ramp

What are the units of speed or velocity

List the colors of visible light in order of decreasing frequency physics