Earth’s Motions
This is the spinning of Earth that causes day and night.
What is rotation?
When the moon is between the sun and Earth, we can get this.
What is a solar eclipse?
This kind of eclipse happens during a new moon.
What is a solar eclipse?
The old model saying Earth is at the center is called the __________ model.
What is geocentric?
This is a group of stars that forms a pattern in the sky, often named after animals, objects, or mythological figures.
What is a constellation?
Earth’s yearlong trip around the sun is called this.
What is revolution?
When Earth is between the sun and moon, we can get this.
What is a lunar eclipse?
Spring tides occur when the sun, moon, and Earth are in this formation.
What is lined up?
Galileo found evidence for the heliocentric model by observing these phases.
What are the phases of Venus?
This event happens twice a year when Earth is tilted the most toward or away from the sun, creating the longest or shortest days.
What is a solstice?
Earth spins from __________ to __________
What is west to east?
The sequence from new moon to full moon is part of this pattern.
What are moon phases?
This type of tide has the greatest difference between high and low.
What is a spring tide?
The current model with the sun at the center is called __________.
What is heliocentric?
During this event, day and night are nearly the same length everywhere on Earth.
What is an equinox?
This motion of Earth explains why the sun appears to move across the sky.
What is Earth’s rotation?
A nearly month-long lunar phase cycle takes approximately this many days.
What is 29.5 days?
During an eclipse, the darkest part of Earth’s shadow is called this.
What is the umbra?
Gravity’s force becomes __________ as objects get farther apart.
What is weaker?
During an eclipse, this is the lighter, outer part of a shadow where only part of the light is blocked.
What is the penumbra?
The tilt of Earth’s axis causes these observable seasonal changes.
What are seasons?
The phase when we cannot see the moon from Earth is called this.
What is new moon?
Tides are caused by this celestial body exerting a gravitational pull on Earth.
What is the moon?
The scientist who supported the heliocentric model was this person.
Who is Galileo?
This type of tide has the smallest difference between high and low water and happens when the sun, moon, and Earth form a right angle.
What is a neap tide?