Moon Phases
True or False- Does the moon change shapes?
False
While Earth revolves around the sun, Earth is also rotating. About how many rotations does Earth complete as it orbits once around the sun?
365
Earth spins at a very constant and regular speed. How long does it take for Earth to make one complete rotation?
24 hours
Caroline looks up at the night sky on a clear night. She is searching for patterns of stars in the sky. What is Caroline looking for?
Constellations
The same side of the moon always faces Earth. Why is this?
The moon's revolution and rotation are about the same length.
Describe the meaning of the words rotate and revolve
A- rotate means spin; revolve means spin
B- rotate means spin; revolve means orbit
C- rotate means orbit, revolve means orbit
D- rotate means orbit; revolve means spin
Earth rotates on its _______
Axis
The stars appear to move across Earth’s sky. Why does it appear that the stars are moving?
Earth rotates on its axis.
How long does it take the moon to go through a cycle?
28 days.
Earth moves through space by spinning on its axis and by orbiting the sun. What will happen between January 1, 2012 and January 1, 2013?
Earth will complete 365 revolutions.
The sun appears to move across the sky during the day. Why does this happen?
Earth's rotation on its axis.
If you look up at the night sky long enough, the stars will appear to move across the sky. What is responsible for making the stars appear to move across the sky at night?
Earth's rotation on its axis.
How many moon phases are there?
8 phases
True or False?
Earth rotates as it travels around the sun. This means that Earth spins. Earth's rotation causes day and night.
True
Earth orbits the sun. Yet the sun appears to move through the sky. For example, the sun always appears to rise in the east and set in the west. What is responsible for this apparent motion of the sun?
Earths Rotation
Some constellations are visible from different places on Earth only during a part of the year. Why are certain constellations not visible everywhere on Earth all year long?
Earth's revolution
Kashvi likes to look out the window at the moon. She observes that it seems to change every week. Which sentence best explains why this happens?
The amount of the lighted part of the moon that faces the Earth changes.
True or False
During the summer the northern hemisphere is tilted toward the sun. Summers are warm because the northern hemisphere receives more direct sunlight.
True
As viewed from Earth, the sun appears to move across the sky. How would you describe the movement of the sun?
The sun rises in the East and sets in the West.
What causes people to only be able to see certain constellations during specific times of the year?
The seasons.