Moon Phases
What is the first primary phase of the Moon?
New Moon
What does Earth do on its axis to cause day and night?
Rotation
Why does the Sun seem to move across the sky?
If the Moon is in the First Quarter phase, how much of it appears illuminated from Earth?
Half of it (50%)
How long does it take Earth to orbit the Sun?
1 year (365.5 days)
The Sun appears to rise and set. What causes the apparent rising and setting of the Sun?
The rotation of the Earth
How does the Moon's phase change over two weeks after a Full Moon?
It becomes a new moon
What is the difference between rotation and revolution?
Rotation is spinning on its axis, revolution is orbiting around the Sun
Sara observes that she can see some star patterns during the winter, but not during the summer. Which motion causes these types of observations?
Because of Earth revolving around the Sun
Kayley is studying the Moon and observed that the portion of the Moon she could see appeared to change each week over the entire month of June. The next month, the same pattern of change was observed. Which statement BEST describes why Kayley observed a different portion of the Moon each week?
As the Moon moves around Earth, different parts of the Moon that are lit up by the Sun are visible on Earth.
Earth revolves around the Sun. How much of this revolution around the Sun will Earth have completed in six months?
Earth will have completed one-half of one revolution around the Sun.
Aquila is a constellation that people in Florida can see only in the summer. Why can some constellations be seen only in the summer?
Earth revolving around the Sun
What is the term for the time it takes the Moon to go through all its phases?
A) Solar year
B) Lunar month
C) Eclipse cycle
D) Sidereal day
B) Lunar Month
What would happen if Earth stopped rotating?
One side would always be day, the other always night
Which of the following best describes apparent motion?
A) The actual movement of an object through space.
B) The perception of movement when no actual motion occurs.
C) The movement of celestial bodies due to Earth's rotation.
D) The motion of objects measured using a speedometer.
B) The perception of movement when no actual motion occurs.
What action occurs once every 365 days? Be specific using the terms Earth, Sun, Rotation OR Revolution
Earth makes one full revolution around the Sun.