Seasons and Tilt
The imaginary line that goes around the middle of the earth
What is the Equator
Define Rotate
An object SPINNING on its own AXIS
Define Revolution
What is an object (Earth) spinning around another object (the Sun)?
The star that all stars in the sky appear to rotate around in the northern hemisphere
What is Polaris
OR
What is the North Star
One culture we discussed that used the stars to navigate
What are :
Arabian civilizations
Polynesian civilizations
Egyptians
Mayans
The Horizontal lines that go around the Earth
What is Latitude
What is 24 hours
The amount of time it takes earth to make 1 rotation
What is 365.25 days?
What is clockwise
What is Sirius?
The way light is distributed at the Poles when compared to the equator
(hint: this causes the poles to be colder)
What is spread out
OR
What is dispersed
The Direction the earth rotates
What is counterclockwise?
The yearly pattern caused by earth's rotation.
What are seasons?
The shape of star paths across the night sky
What are arcs or circles
One tool ancient people used to measure time or navigation from the sky
What is:
Kamal
Stick Charts
Sun Dials
The degrees earth tilts in relation to the sun
What is 23.5
The daily change in light because of earth's rotations
What is night and day?
The force that holds all of the planets in orbit
What is gravity
Earth's motion that causes us to see different stars in different seasons
What is Earth's Revolution?
The year people thought the world would end because of a Mayan Calendar
What is 2012?
The longest and shortest days of the year
What is the Solstice
The speed the earth is rotating at the equator
What is 1040 miles per hour
The speed Earth revolves around the sun
What is 67,000 mph (107,000 kph)
Stars that appear to rotate around polaris
What is Circumpolar?
Tools we use today to replace ancient star navigation tools
What is:
Compass
GPS
Radar