Stars
Watch the video above. Then answer the question: "What is a star?"
A ball of gas that produces light.
What is a constellation?
What is the difference between earths rotation and revolution?
Rotation: Earth rotates on it's axis creating night and day.
Revolution: Earth revolves around the sun complete 365 days (one year)
What causes the us to experience four seasons a year?
What is: The revolution of the earth around the sun.
What is a shadow?
What is: A dark area where light is blocked from shining on a surface.
True or False: The Sun appears to be the brightest star in the sky?
What is True
True or False: Some constellations can only be seen during certain times of the year?
What is: True.
What causes the pattern of day and night?
What is the Earths Rotation on it's axis.
Which star would appear brighter?
Sirius: 8.6 light years.
Procyon: 11.4 light years.
What is: Sirius: 8.6, because it is closer to earth.
True or False: The Sun appears to the be the brightest star because it is closest to the earth?
What is True
True or False: Constellations move a little bit every single day?
What is: True
In ancient times, people used Sundials to tell time. What allowed the to tell time?
As the earth rotated, the shadow from the sun would move and casting a shadow on the correct time.
Why can we see the stars in the sky?
A: Stars reflect light from the sun.
B: Stars give off their own light.
C: Stars reflect light from the moon.
D: Stars get their light from other planets.
What is: B
The early morning shadow is ____________ the shadow noon because of the position of the sun.
A: Higher
B: Longer
C: Lower
D: Shorter
What is: Longer
A group of friends are stargazing together at night when one friend wonders why some stars are brighter than others. Explain why some stars are brighter than others.
True or False: Constellations move from North to South?
What is: False, Constellations move from East to West.
Tell me why, when Utah is experiencing Noon (12pm), Kyrgyzstan is experiencing Midnight (12am)
Because Utah and Kyrgyzstan are on opposite sides of the world. When we experience the middle of the day, they experience the middle of the night.
Explain why the stars seem small in comparison to earth.
What is: We are on earth, so it seems very large. The stars are also millions of light years away making them look small.
Two stars with the same apparent brightness are actually very different sizes. How is that possible?
The larger star is farther away and the smaller star is closer making their light appear to be the same brightness.
What part of the world can see 5 constellations all year round?
The north pole can see 5 stars year round because as the earth rotates their night sky looks the same.
Select the four patterns below that provide evidence of the earth's rotation:
A: The movement of the moon in the sky
B: the direction that the wind is blowing.
C: Observing clouds in the sky during the day.
D: The change in the location of a constellation in a night sky.
E: The length and direction in which a shadow changes over the course of a day.
F: Observations of both day and night.
What is: A, E, F, D