Comparative planetology: Describe at least one way in which comparisons of Earth with the Moon, Mercury, Venus, and / or Mars have helped us to better understand our own planet.
What will be an ideal response?
Question 2
A rock held above the ground has potential energy. As the rock falls, this potential energy is converted to kinetic energy. Finally, the rock hits the ground and stays there. What has happened to the energy?
A) It is transformed back into gravitational potential energy.
B) The energy goes into the ground, and as a result, the orbit of the Earth about the Sun is slightly changed.
C) The energy goes to producing sound and to heating the ground, rock, and surrounding air.
D) The rock keeps the energy inside it in the form of mass-energy.
From space earth shows itself as a planet covered mostly by water.
The Sun as it appears from the surface of Earth before sunset.
Size comparison of Earth and Mars.
The following terms describe types of body movement that occur at the diarthrotic joints
The Moon During the Day
Comparative substrate cycles in glycolysis/gluconeogenesis