Imagine you are shaking the end of a rope to create a series of waves what will you observe if you begin shaking the rope more quickly use the terms wave speed, frequency, and wavelength in your answer

How might the daily activities of a scientist studying the stars differ from a chemist, physicist, or biologist?

An astronomer is measuring the electromagnetic radiation emitted by two stars, both of which are assumed to be perfect blackbody emitters. For each star she makes a plot of the radiation intensity per unit wavelength as a function of wavelength.

What is the minimum mass needed for a star to be on the main sequence? What happens to stars that do not meet the minimum mass?

If an electromagnetic wave's frequency doubles in a vacuum, what are the other effects on the wave?

Magnesium is a highly flammable element which is easily combustible in the presence of oxygen: 2Mg + O2 - ->? + heat How many atoms would you expect to find on the product side of this equation?

What evidence is there that joule had an exceptional education?

What was the hottest temperature ever recorded on earth?

Another important gas is water vapor, which condensesarouns

Which describes the process of conduction? A. Heat energy is transferred from the land to the air by direct contact. B. Heat energy is transferred from the land to the air by indirect contact. C. Heat energy is transferred by mass movements of air.

What factor causes the seasons? A: Rotation of earth's axis B: The tilt of earth's axis with respect to the sun C: The appearance of the moon D: An eclipse