Gravity and Motion
The force that keeps planets in orbit.
What is Gravity?
Earth's spinning on its axis.
What is Rotation?
The lit part of the Moon seen from Earth.
What is a phase?
The rise and fall of ocean water.
What are tides?
What causes seasons on Earth?
The Sun has more gravity because it has more_____.
What is Mass?
How long does one rotation take?
What is 24 hours?
Phases of the Moon when it is fully lit.
What is a Full Moon?
The main cause of tides.
What is Moon's Gravity?
When neither hemisphere is tilted toward the Sun?
What is an Equinox?
The path Earth takes around the Sun.
What is an orbit?
Earth's axis is tilted about this many degrees.
What is 23.5 degrees?
When the Moon appears to grow in light.
What is waxing?
When the ocean water is at its highest level.
What is high tide?
When is one hemisphere tilted most towards the Sun?
What is a Solstice?
Movement of one object around another.
What is revolution?
What does Earth's rotation cause?
What is Day and Night?
When the Moon appears to shrink in light.
What is waning?
Tides with the greatest difference between high and low.
What are Spring Tides?
When does the Moon block the Sun?
What is a Solar Eclipse?
Why does the Moon stay in orbit around Earth?
What is Earth's gravitational pull?
How long does Earth take to orbit the Sun?
What is 365 1/4 days?
Why do we only see one side of the Moon?
What is it that rotates at the same rate it revolves?
When the Sun, Moon, and Earth form a right angle.
What are neap tides?
When Earth's shadow falls on the Moon?
What is a lunar eclipse?