4. Heat is added to an ideal gas and the gas expands. In such a process the temperature

How can the mass of a sample of water be increased? Freezing the water will increase the mass. Boiling the water will increase the mass. Evaporating the water will increase the mass. Adding more water will increase the mass.

Which of the following characteristics of stars is affected by a stars temperature? 1. Brightness 2. Color 3. Distance from Earth 4. Size

How many miles per hour does it take to break the sound barrier?

Compare the kinetic energies of a ball moving at 5 m/s to when it is moving at 10 m/s. O A. The answer cannot be determined. O B. KE at 10 m/s > KE at 5 m/s O C. KE at 10 m/s < KE at 5 m/s D. KE at 10 m/s = KE at 5 m/s

Why are metals good conductors of electric current? Choose one of the followingDo they possess high concentrations of protonsDo they possess low concentrations of protonsDo they possess high concentrations of free electronsDo they possess low

Which of the following decreases the dissolving rate of a solid in water?

Why might a plant that normally grows in one environment not grow well in a different environment?

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Which rock is made mostly of dark, fine-grained silicate minerals, chiefly plagioclase feldspar and pyroxene, and magnetite?

What does the atomic number tell us about an atom of a certain element?