Movement
What is an axis?
Imaginary line that goes through the center of an object and that the object rotates around.
Winter
Spring
Fall
Summer
What is a pattern of stars called?
Constellation
What is a phase?
The moon shapes are called Phases.
What is a force?
A push or a pull.
What is Revolution?
The movement of one object around another.
What is rotation?
The spinning of an object around its axis.
Why do constellations appear to move across the sky each night?
As Earth rotates, we see the stars from different angles.
How many moon phases are there?
8
What is gravity?
A force that pulls all objects with mass toward each other.
What is orbit?
The path an object follows as it revolves another object.
What would happen if the Earth stopped rotating?
We would not see the sun and stars rise or set.
How is it possible that a dim star can appear brighter than a bright star?
If a dim star is closer to Earth than a brighter star, the dim star can look brighter.
What does it mean when the moon is in waning phase?
It means it is getting smaller.
What is a galaxy?
A group of stars, planets, gases, and other objects in space held together by gravity.
What is the solar system?
The Sun and all of the objects that orbit around it.
What would a shadow of a tree look like in the morning vs at noon?
Shadow would be long in the morning because the sun is low. At noon it would be shorter because the sun is high in the sky.
Why do we see different constellations at different times of the year?
As Earth revolves around the Sun, we are facing different directions during the night, so we see stars in different parts of space.
Why don't we see the full circle of the moon lit up every night?
As the moon revolves around Earth, only the side facing the sun is lit up. We cannot see the side that is facing away from the Sun.
On Earth, all objects are pulled in what direction by Earth's gravity?
Toward the center of Earth.
What causes the pattern of day and night that we observe on Earth?
The rotation of Earth on its axis.
Why is it warmer in the summer and colder in the winter?
In the summer, we receive more direct sunlight. In winter, we receive sunlight at more of an angle because of Earth's tilt.
What is an eclipse?
When one object in space gets between the sun and another object.
Difference between rotation and revolution.
Rotation is the spinning of an object on its axis. Revolution is is the movement of one object around another.
What direction do shadows point in the morning?
West