Vocab
An imaginary line that runs through the Earth is called?
Axis
When sunlight shines on the Earth what happens?
When have daytime
Fred observed the sun move across the sky during the day. He noticed it was to his right in the morning, straight overhead in the afternoon, and to his left in the evening. What caused the change he observed?
Rotation of the Earth on its axis
One day on Earth is how long?
24 hours
Turning or spinning on the axis is called?
Rotating
The sun appears to rise in the ___________ and set in the ____________.
East and West
Pretend you have a lamp to represent the sun and a styrofoam ball to represent the Earth. What should you do with the two items to show Day and Night?
Rotate the styrofoam ball on its axis
Why do constellations appear to move across the night sky?
Because Earth is rotating on its axis
1 year is how long on Earth?
365 days
A period of time when a location on Earth does not experience sunlight
Night
Because the Earth ___________, we experience Night and Day.
Rotates
Does sunset happen at the same time on the clock for everyone?
No because the sun sets at different times in each location because the earth is rotating. Time zones are created in order to make the adjustment for each location on the earth
Orion is not seen in the night sky at all times through out the year. Why does this happen?
Because the Earth Revolves around the sun and we see different parts of space.
How long does it take us to make one complete rotation?
24 hours
An area from which light is blocked
Shadow
When the Earth revolves around the sun, it causes the ____________.
Seasons
The Sun rises in the east and sets in the west. What change would have to happen in order for the sun to rise in the west and set in the east?
Earth rotate in the opposite direction
How did constellations get there names?
From the myths people wrote about them
How long does it take to make one complete revolution around the sun?
365 days or 1 year
A cycle of time consisting of 24 hours; also a period of time for the side of Earth in sunlight is called?
Day
The sun looks as though it moves across the sky during the day but it doesn't really move. Why does this happen?
Earth Rotates
Jack and Sarah are Modeling the Earth, Sun, and their motions. A kickball represents the sun and a baseball represents the Earth. What should they do to show what makes the sun appear to move through the sky?
Rotate the baseball on its axis
If you live closer to the polls of the earth, would you see more constellations or less constellations then someone living near the equator? Why?
Less because when you are closer to the polls you can only see constellations straight overhead. If you live at the equator you can see constellation below and above the equator
Why are some years 366 days instead of 365?
Due to a leap year in order to keep the seasons the same since one year is actually 365.25 days.