+ do now 3. update table of contents: a spin in the solar system: moon dance p. 15 phases of the...
TRANSCRIPT
+
DO NOW3. Update Table of Contents:
A Spin in the Solar System: Moon Dance p. 15
Phases of the Moon p. 16
4. Complete A Spin in the Solar System: MOON DANCE Anticipation Guide by selecting TRUE or FALSE for statements #1-15.
+Moon Dance: Video Quiz1. The moon orbits the earth once every 29
days
While the earth rotates on its axis once every 24
hours
2. True or False? The earth and moon seem to have formed from the same type of materials.
TRUE
+Moon Dance: Video Quiz3. Is the moon’s crust thinner or thicker
than Earth’s?
Thicker
4. Maria on the moon are not seas as once thought, but fields of
lava
from volcanoes that are no longer active.
+Moon Dance: Video Quiz5. True or False? Our solar system has over 60
moons.
True
6. The moon causes tides through the pull of its
gravity
+Moon Dance: Video Quiz7. Because the pull of the moon’s gravity and
the friction of tides, is the the earth’s rotation speeding up or slowing down?
Slowing down
8. We can’t see the moon at night when it is between the sun and Earth. We call this phase the
new moon.
+Moon Dance: Video Quiz9. In 10 million years, the moon will have
moved so far away it will no longer affect
tides
10. In the distant future, the Earth’s
rotation
and the moon’s orbit will synchronize, and the pair will face each other until they cease to exist.
+The Moon
Our Moon is the most explored and well-known space object July 20, 1969 Neil Armstrong
Moons are common in the solar system
Earth’s moon is mid-sized compared to the others
+
+#2) Formation
About 4.6 billion years ago
Mars-sized object collided with Earth while Earth was still forming
The collision was so violent that part of the Earth’s mantle was blasted into orbit around Earth
+#3) What causes the phases of the Moon? The Moon’s position changes over the course of a month
As the Moon revolves around the Earth, the amount of the sunlit side of the Moon facing the Earth changes
+#4) Phases of the Moon
+#5) What happens when the Moon is waxing? The sunlit fraction of the Moon is getting larger
#6) What happens when the Moon is waning? The sunlit fraction of the Moon is getting smaller
+#7) Why do we always see the same side of the Moon?
The total amount of sunlight that the moon gets remains the same
Half the moon is always in sunlight
The moon’s period of rotation is the same as its period of revolution
+
+
+