Earth rotates on its axis this many times every 24 hours.
once
This happens to the length of shadows in the afternoon compared to noon
shadows are longer in the afternoon
This ancient model tell us that the earth is the center of our solar system and everything orbits the sun.
Geocentric Model
This imaginary line runs through the Earth from the North Pole to the South Pole and is the axis around which the Earth rotates
axis
Earth takes this long to complete one full orbit around the sun.
365.25 days
The apparent movement of the sun across the sky is actually caused by this
rotating on its axis
This model tells us that the sun is the center of our solar system and all the planets orbit the sun
heliocentric model
a group of stars that form a recognizable shape
constellation
As the Earth orbits around the sun, it also does this, causing the cycle of day and night.
rotating on its axis
What phenomenon causes us to see different constellations at different times of the year?
Earth's Orbit
What ancient Device was used to tell time of the day based on shadows
sundial
A tool that provided evidence that earth is rotating.
Foucault pendulum
Earth’s rotation causes these observable patterns, including day, night, and changes in the length of this throughout the day
Shadows
It takes only 87 days for this planet to complete one orbit around the sun
Mercury
This is used to make sure that everyone around the has noon when the sun is at it's highest point for them.
Time zones
It takes 12 years for this planet to complete one orbit around the sun
Jupiter
Why are scale models impractical to use when making models of space
because of size and distance