What 2 main gases is the sun made of?
Helium and Hydrogen.
True or False.
Earth does not constantly rotate. It takes a break from time to time.
False. It constantly rotates.
What is a Revolution of the Earth?
The path or orbit Earth goes around the sun.
When a particular location on Earth is facing the sun, it experiences ___________________.
Daytime.
What causes seasons?
The tilt of the Earth.
Why does the sun appear brighter than other stars?
It is the closest star to the Earth.
Earth spins on its axis. What is an axis?
An imaginary line through the Earth going from the North Pole to the South Pole.
How long does Earth's revolution around the sun take?
365 (1/4) days OR 1 year.
When a particular location on Earth is NOT facing the sun, it experiences __________________.
Nighttime.
What do we know about days and nights at the Spring and Fall Equinoxes?
They are equal.
What 2 things does the sun give us?
Light.
Heat.
How long does it take the Earth to make one rotation?
1 day or 24 hours.
Does Earth's revolution cause
a. day and night
or
b. seasons.
b. seasons
Each day, the Sun seems to move across the sky.
Which is moving: THE SUN or THE EARTH.
The Earth is rotating.
What do we know about length of days at the Winter and Summer Solstices? Tell about each.
Summer- days are long.
Winter- days are short.
What can't we see most stars in the daytime?
The sun is so bright, it blocks out other stars.
What causes the difference between night and day?
Earth's rotation on its axis, causing different parts of the planet to face the sun and experience daylight, while others face away and experience darkness.
Where do we find direct sunlight for most of the year?
Equator.
Does the Earth's axis
a. always point in the same direction?
OR
b. always point at the sun?
a. always points in the same direction.
Which star is farthest away and which star is closest.
Farthest= Antares
Closest= Castor A1/A2
What time of day is your shadow the longest?
Early morning or early evening when the sun appears low in the sky.
Since it takes 365 1/4 days to complete one orbit, what happens to the 1/4 day?
Every 4 years we have a leap year.
Why is the sun no longer visible at night?
The earth has rotated to the opposite side of the earth.
If it is summer in Utah, what season is it in India?
Winter.