Day and Night
Why do we have day and night?
The Earth rotates
A group of stars that form a picture in the sky.
Constellation
The moon phase between a new moon and a first quarter.
Waxing crescent.
How long does it take for the earth to rotate 1 time?
24 hours (1 day)
Why do we have seasons?
The earth is tilted on its axis
The spinning of the Earth around the Sun
Revolution
The sun is a _______________
Star
The moon phase when the entire moon is lit up.
How long does it take for the earth to revolve 1 time?
364.25 days (1 year)
When the northern hemisphere is tilted away from the sun, what season is it?
Winter
What device can we use that uses shadows to tell time?
Sundial.
Is it safe to look at a lunar eclipse?
Yes
When the moon is between the sun and the earth, casting a shadow on the earth, what happens?
Solar eclipse
What is the name of our galaxy?
The Milky Way
When the northern hemisphere is tilted towards the sun, what season is it in the southern hemisphere?
Winter
The invisible pole running through the middle of the earth that it rotates around
Axis
True or False: We can see stars because they reflect light back to us.
False
The moon _______________ around the Earth
Revolves
Every 4 years, we get an extra day. What calendar date does this fall on?
February 29
On March 20, we get a day where there are equal hours of daylight and sunlight. What is this day called?
Spring Equinox
When are shadows the longest during the day?
In the afternoon.
What are temporary, dark spots on the sun called?
Sunspots
The moon is a __________________.
Natural Satellite
What is the name for the path that a planet takes around the Sun?
Orbit
The longest day of the year is approximately on June 21. What is this called?
Summer solstice