Seasons
What causes Earth's different seasons?
It's tilt and position in its orbit around the sun.
What is a revolution of a planet?
The time it takes to orbit once around the sun.
What is a rotation of a planet?
The time it takes to complete one spin on its axis.
Which hemisphere are we in?
Northern
Do terrestrial planets have thick or thin atmosphere?
Thin
If the sunlight is hitting the northern hemisphere directly, what season are we in?
Summer
How long is one revolution of Earth?
365.25 days
How long is one rotation of Earth?
24 hours.
What kind of sunlight do we receive in the winter?
Indirect
What is Earth's natural satellite?
The Moon (Luna)
If the sunlight is hitting the northern and southern hemispheres equally, what seasons might we be experiencing?
Fall or Spring
What is a word we use to say "one revolution"?
A year
What is another word we use to say "one rotation"?
A day
What kind of sunlight do we receive in the summer?
Direct
Name the 4 terrestrial planets.
Mercury, Venus, Earth, and Mars
If the sunlight is hitting the northern hemisphere indirectly, what season are we in?
Winter
What is the relationship between distance from the sun and how long it takes to complete a revolution?
The further away from the sun, the longer it takes to complete a revolution.
What happens as a result of Earth's rotation?
Day and night
What is an equinox?
When the hours of daylight are equal in both the northern and southern hemispheres.
Name the 4 gas giants.
Jupiter, Saturn, Uranus, and Neptune
If the sunlight is hitting the southern hemisphere indirectly, what season are we in?
Summer
What is a solstice?
When one of the hemispheres is experiencing the greatest amount of daylight hours and the other is experiencing the least amount of daylight hours.
Name the 8 planets in order, starting closest to the sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune