Sun, Earth, Moon 1
What are the differences between rotates and revolves?
rotate-spin
revolve- move around
The stars appear in different positions the sky because...
The Earth revolving around the sun.
Why can't we see other stars during the day?
The sun is the closest star to Earh and blocks out the light of other stars
How many phases of the moon are there?
8
The phases of the moon depends on the positions of the _______, _______, and _______.
sun, moon, and earth
True or False, day and night is the result of Earth’s tilt?
False
What is the force that pulls one object toward another?
Gravity
Earth is tilted toward the sun and there are more hours of daylight. What season is it?
Summer
The moon takes on different shapes throughout the lunar month. These shapes are called?
Phases
About 14 days into the moon cycle, or halfway through, you would see a __________.
full moon.
How long is a complete cycle of Moon phases?
About 1 month
Different alignments of the Earth, moon, and sun can cause phenomena to occur on Earth. These phenomena are caused by differences in gravitational pulls. What are these phenomena called?
Tides
Jackson enjoys looking up at the night sky and writing about the variety of objects he sees. On one special occasion, he wrote in his journal that he saw a streak of light going across part of the sky. What did he see?
Meteor: A streak of light made when an object burns up as it enters Earth's atmosphere
Why does Earth have seasons?
because Earth's axis is tilted as it revolves around the sun.
Scientists, including Aristotle and Ptolemy, had developed an early model of the solar system. This model appeared to describe the motions they observed in the heavens. What was at the center of this model?
The Earth (Geocentric) model.
What is a lunar eclipse?
A lunar eclipse occurs when the Earth passes directly between the Sun and the Moon, casting a shadow on the lunar surface. This alignment happens at the full moon phase.
What is a ball of hot gas that gives off light and other types of energy?
A star
Clara's grandfather is a captain of a cargo ship. He prefers to navigate his ship through the moderate neap tides. At these times, the line between Earth and the sun is at a right angle to the line between Earth and the moon. Which phase or phases of the moon describe this alignment?
first and third quarter
There are two forces that keep the moon in orbit around Earth. How do these forces keep the moon from flying off into space?
Gravity attracts the moon toward Earth, and inertia keeps the moon in motion.
Explain a solar eclipse.
A solar eclipse happens when the Moon passes between the Sun and Earth, casting a shadow on Earth that either fully or partially blocks the Sun's light in some areas.
Compare the geocentric vs heliocentric model of the solar system.
The geocentric model places Earth at the center of the universe, while the heliocentric model places the Sun at the center.
Constellations are patterns of stars in the sky. When Miyoki got up for school one spring morning, she saw the constellation of Hercules overhead. That night before bed, when Miyoki looked at the sky again, she could not see the constellation of Hercules anywhere. Why was the constellation no longer visible?
It was now on the other side of the sun, so it couldn't be seen.
Name the phases of the moon.
new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent
On August 21, 2017, the United States experienced the first coast-to-coast solar eclipse since 1918. How were the sun, the moon, and Earth arranged during this eclipse?
The moon was between Earth and the sun.
Define Umbra.
the darker, inner part of an eclipse shadow.