Rotation
Define rotation
Define revolution.
To travel around something in a circle.
When the sun is low your shadow is:
long
Does the moon make its own light?
No, the moons light comes from the sun. Sunlight is reflected off the surface of the moon.
The path of an object as it revolves around another object in space:
Orbit
What does Earth revolve around?
The sun
When the sun is high your shadow is
How long does it take the Earth to rotate?
24 hours
How long does it take the Earth to complete a full revolution?
It is noon, where is your shadow and what is the length?
Short and right in front of you.
Why do we always see the same side of the moon.
The moon takes 27 days to rotate on its axis and 27 days to revolve around the Earth. As a result, we only see one side of the moon.
An invisible line around which Earth spins
Axis
What pattern does rotations cause?
Shadow lengths/directions
The movement of the sun in the sky.
The sun appears to move across the sky because of the Earths rotation. What direction does it move?
East to West
It is 8 am, which direction is your shadow in?
The west
What does the moon revolve around?
Earth
On a sunny day our shadows change direction. This is evidence of what?
The earth is rotating
Revolutions cause which patterns?
Seasons and the changing of constellations
How do shadows change throughout the day?
Shadows start long and in the west. As the morning goes on, shadows continue to get smaller until they get to their smallest point at noon. After noon, shadows slowly get longer and move to the east. They get longer until they get to their longest point around 4:00 pm.
True or false: The moon rotates and revolves at the same time.
True
The constellations we see change with seasons. This is evidence of what:
The earth is revolving around the sun.