Rotation and Revolution
Earth completes one rotation in this amount of time.
24 Hours.
Why do we see different moon phases ?
Because we see different amounts of the Moon’s lit side.
Seasons are mainly caused by this tilt.
Earth's Axial Tilt.
What is a rocky object found between Mars and Jupiter? (Hint: Look at the cabinets with the planets!)
An asteroid.
Why do astronauts hop on the Moon ?
The Moon has weaker gravity (due to smaller mass).
This motion causes day and night.
Earth's Rotation.
This object gives off its own light.
The Sun.
What are two things that cause seasons ?
Earth’s tilt and its orbit around the Sun.
What is the name for an icy object with a long orbit past Pluto ? (Hint: We drew these on our Solar System review guides)
A comet.
Why do we feel Earth’s gravity more than the Sun’s ?
Earth is closer to us.
Earth completes one revolution around the Sun in this amount of time.
365 days (1 year)
Draw and name the type of eclipse that happens when the Moon blocks sunlight from Earth.
(use your whiteboard to show us the picture!)
Solar Eclipse.
Seasons are NOT caused by this common misconception.
Earth's distance from the Sun.
They are caused by Earth's axial tilt!
What are planets further from the Sun called ?
Gas Giants, Outer Planets.
Small objects usually orbit these kinds of objects (Hint: think of SIZE)
Larger objects.
Example: Earth orbits the Sun !
What is the path an object follows around another object?
An orbit.
Why don't we have eclipses every month ?
Because the Moon's orbit is tilted.
When light is more concentrated on one area, it causes:
Higher temperatures, more heat.
Put in order from largest to smallest:
Solar System, Milky Way, Universe, Earth.
Universe → Milky Way Galaxy → Solar System → Earth.
If gravity suddenly became stronger on Earth, explain two changes that might happen.
People and objects would weigh more
Planets’ orbits could change (due to gravitational pull)
The Moon could orbit differently
Movement would become harder
How long is the Moon's rotation and revolution ?
28 days (about 1 month)
Draw and lunar eclipse. What is another name for a lunar eclipse ?
(Show us your whiteboard)
Blood Moon.
Draw a picture of Earth with the Northern Hemisphere tilted toward the Sun. What season is represented by your drawing ?
(Show us your drawing!)
Summer.
What is the force that keeps stars orbiting the center of the Milky Way ?
Gravity.
Why don’t planets fly off into space instead of orbiting the Sun?
Because gravity pulls them inward, while motion moves them forward.