Explain what causes the mercury in the glass thermometer to rise and fall with a change in temperature
The mercury expands or contracts in volume when heat energy is added to or taken
from the mercury and this causes its heat to vary in the thermometer.
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Explain why a heating system made by circulating hot water through a concrete floor could be desirable. Would it be better to circulate the hot water through the ceiling? Why or why not?
What will be an ideal response?
What is the difference between a synodic month and a sidereal month?
A) A synodic month is our 30 or 31 day calendar month and a sidereal month is the time it takes for a cycle of the Moon's phases. B) A synodic month is the time it takes for a cycle of lunar phases and a sidereal month is the time it takes the Moon to orbit Earth (relative to the stars). C) A synodic month is the time it takes for a cycle of the Moon's phases and a sidereal month is our 30 or 31 day calendar month. D) A synodic month is based on the orbit of some planet around the Sun and a sidereal month is based on the orbit of the Moon around Earth.
A rifle is aimed horizontally toward the center of a target 0.10 km away, but the bullet strikes 10 cm below the center. Calculate the velocity of the bullet just as it emerges from the rifle
Explain the patterns seen in Jupiter's atmosphere
What will be an ideal response?