Earth's Movement
This type of Earth's movement along it's axis causes day and night.
What is rotation?
The sun looks bigger than other stars because of this.
What is it's much closer to Earth?
This force pulls objects toward Earth.
What is gravity?
Shadows change size because this changes throughout the day.
The direction of the sunlight.
This is when a group of stars form together to make a picture.
What are constellations?
This is the amount of time the Earth takes for a full rotation.
What is 24 hours?
True or false: The sun is a star.
True
True or false: A basketball moving down through a hoop is a result of gravity.
What movement of Earth causes the angle of sunlight to change each day?
Earth’s rotation.
True or False: People from across the world see the exact same constellations.
False
This movement of Earth causes the seasons and changes in daylight hours.
What is revolution around the sun?
Name two ways the sun is like other stars.
It’s a big ball of hot gases and it gives off its own light and heat.
Is a helium balloon rising an example of gravity? Why or why not?
No, because gravity pulls downward, not upward.
At what time of day is a shadow the shortest?
Around 12:00 noon
Why don’t we see the same star patterns all year long?
Because Earth revolves around the sun.
Why does the length of daylight change throughout the year?
Because Earth revolves around the sun.
Why do star patterns seem to rise in the east and set in the west?
Because Earth rotates
All arrows in a gravity model should point in this direction.
Down toward Earth’s center.
At 9:00 a.m., a shadow will point in which direction?
West
The sun and moon appear to move across the sky because of this.
What is the Earth's rotation?
Name two things that happen because Earth rotates.
Day turns to night, and the sun appears to move across the sky.
Do we see the same star patterns all year? Explain.
No, we only see some constellations at certain times of year.
True or False: Gravity exists in outer space.
False
At 3:00 p.m., how would a shadow change? Is it longer or shorter? What direction does it face?
It becomes shorter and points East.
True or false: The same constellations are visible everyday of the year.
False, you only see them during certain parts of the year.