Earth's Motion
This term describes Earth's daily spinning on its axis.
What is rotation?
It takes about 24 hours for Earth to complete one of these.
What is a rotation?
The tilt of Earth’s axis and this annual movement around the Sun cause the seasons.
What is revolution?
This side of Earth experiences daylight at any given time.
What is the side facing the Sun?
This is the closest star to Earth, providing the light and heat necessary for life on our planet.
What is the Sun?
This imaginary line runs from the North Pole to the South Pole and is the center of Earth's rotation.
What is the axis?
An added day is added to our calendar every four years.
What is the leap year?
Summer, Winter, Fall, and Spring
What are the seasons?
When Earth rotates, this side experiences daylight, while the opposite side is in this state.
What is nighttime?
The color of a star is determined by its surface temperature, with the hottest stars appearing this color.
The apparent movement of the Sun across the sky is caused by this motion of Earth.
What is rotation?
This system divides the day into 24 hours, with each hour consisting of 60 minutes.
What is the 24-hour clock system?
In the Northern Hemisphere, this season begins around June 21, when the Sun is at its highest point in the sky.
What is summer?
Earth experiences a full cycle of day and night in this period of time.
What is 24 hours?
This group of stars, known for forming patterns in the night sky, is often used for navigation and storytelling.
What is a constellation?
Because of Earth's rotation, objects moving long distances in the Northern Hemisphere curve in this direction.
What is to the right (eastward)?
The Earth is broken into small zones of time.
What are time zones?
The Northern Hemisphere’s winter solstice occurs in this month.
What is December?
When it is nighttime at the North Pole, this pole experiences continuous daylight.
What is the South Pole?
This is the name of the constellation that contains the Big Dipper.
What is Ursa Major?
One full rotation of Earth on its axis takes approximately this amount of time.
What is 24 hours?
As Earth rotates, the Sun appears to move across the sky from this direction to this direction.
What is from east to west?
The Earth's axis is tilted at this specific angle, which is responsible for the changing seasons.
What is 23.5 degrees?
As Earth rotates, this hemisphere is in daylight while the opposite experiences this.
What is nighttime?
This red supergiant star, located in the constellation Orion, is known for being one of the largest and brightest stars visible to the naked eye.
What is Betelgeuse?