Seasons, Solstices & Equinoxes
What is it called when a place experiences more than 24 hours of darkness?
Polar night
Why is a total lunar eclipse also called a "blood moon"?
Because it turns an orangey-red colour due to the dust in the Earth's atmosphere
Where do auroras happen the most?
How many phases does the moon have?
8
How long does it take Earth to do one full rotation?
About 24 hours
Which phase does the moon have to be in order for a total solar eclipse to happen?
New moon
Why do some Indigenous groups believe that you should not whistle at the Northern lights?
They believe that the Northern lights are the spirits of their ancestors. When you whistle at them, you are calling them to take you away.
How long is the cycle of the moon phases? (New moon to new moon)
29.5 days
During the equinox we experience equal amounts of day and night (about 12 hours each)
How does a solar eclipse happen?
The moon passes between the sun and Earth, casting a shadow on the Earth
What are the two names for the auroras we see in the Northern hemisphere?
What is it called when the light reflected off of the moons surface appears to decrease?
Waning
Why do we have seasons?
The Earth is tilted on its axis as it revolves around the sun
What are the 4 types of solar eclipses?
Total, annular, partial, and hybrid
How do auroras happen?
When solar flares interact with the Earth's magnetic field we see the aurora
Why is the moon known as a natural satellite?
A satellite is something that orbits a bigger celestial body in space. The moon is a natural satellite because it is not man-made.
Name and explain the two ways that the Earth moves.
Rotation: the Earth spins on its axis
Revolution: the Earth orbits around the sun
What part of the Earth's shadow is the moon in during a total lunar eclipse?
The umbra
What causes the aurora to have different colours?
Solar flares bump into oxygen and nitrogen
Which moon phase happens directly after the first quarter moon?
Waxing gibbous