Rotation/Revolution
What is the different between rotation and revolution?
Rotation is Earth turning or spinning on it's own axis while revolution is Earth orbiting the Sun
What are constellations?
Star patterns seen in the night sky
When it is winter in the Northern Hemisphere, it is __________ in the Southern Hemisphere.
It takes _________ for Earth to take one full rotation and __________ for Earth to take one full revolution
24 hours (1 day) and 365 days (1 year)
Why are some constellations only visible in part of the year?
Earth's revolution
Name two things causes seasons on Earth
Earth's tilt, revolution around the Sun, direct rays of sunlight
The sun "appears" to rise in the _______, then it "appears" to set in the _________. This is caused by _____________.
east, west, Earth's rotation.
Which star/constellation is visible throughout the whole year in the Northern Hemisphere?
Polaris and Ursa Major (the North Star and Big Dipper)
In the North Pole, summers have 24 hours of sunlight. In the winter, the North Pole has no sunlight. What causes this to happen?
Because of Earth's tilt, the North Pole may get direct sunlight the whole summer and no direct sunlight in the winter.
Compared to Earth, a full day on Venus takes 116 days and 18 hours. What do you think determines the length of Venus' day?
It's rotation
You are observing Orion at 12am, then again at 3am. What differences in Orion might you observe between these three hours?
The constellation appears to shift across the night sky, but keeps the same pattern.
Many places near the equator experience mild climate changes throughout the year. What causes this to happen?
Because of Earth's tilt, places near the equator get the same amount of sunlight throughout the year.