Earth, Moon, and Sun
By Reynaldo Martinez
Section 1: Earth in space
Q. How does the Earth move in space?
A. The Earth revolution around the sun, it also rotates, the spinning of the Earth on its axis.
Q: What causes the cycle of seasons on Earth?
A: Earth has seasons because its axis is tilted as it revolves around the sun.
Section 2: Gravity and Motion
Q: What determines the strength of the force of between two objects?\
A: The strength of the force of gravity between objects depend on two factors: the masses of the object and the distance between them.
Q: What two factors combine to keep the moon and earth in orbit?
A: Inertia and gravity combine keep Earth in orbit around the sun and the moon in orbit with the Earth. Inertia is the tendency of an object to resist a change in motion.
Section 3: Phases, eclipses, and Tides
Q: What causes the phases of the moon
Q: What are solar and lunar eclipses?
A: When the moon's shadow hits the Earth or the Earth's shadow hits
Q:What causes the tides?
A: Tides are cause mainly by different in how much the moon's gravity pulls on different part of Earth.
Section 4: Earth's Moon
Q: What features are found on the moon's Surface?
A: Features on the moon's surface include maria, craters, and highlands.
Q: What causes the phases of the moon?
A: The phases of the moon you see depends on how much of sunlit side of the moon faces Earth
Q: How did the moon form?
A: Scientist theorize that a planet-sizes object collided with Earth to form the moon.