Vocabulary
The large collection of stars, gas, and dust, held together by gravity is called...
What is... a Galaxy
This is the large object located at the center of our Solar System...
What is... the Sun
What causes our hemisphere of Earth to experience Winter?
What is... Earth tilting away from the Sun.
A round, geometric object, or 3 dimensional circle.
What is... a sphere.
What causes people on Earth to experience Day and Night?
What is... Earth's Rotation causes people to experience day and night.
What causes our hemisphere to experience Summer?
What is... Earth tilting towards the Sun.
A real or imaginary straight line, on which an object rotates.
What is... an Axis.
Why does the Sun appear to be larger and brighter than any other star in the sky?
What is... Because it is much closer to Earth than any other stars in our Galaxy.
How long does one "Rotation" take to complete for Earth?
What is... about one day, or 24 hours.
The action of spinning, as if on an axis, is called...
What is... Rotation.
Name two ways in which the Sun has an affect on Earth...
What is... Light, Warmth (or heat), Energy for Photosynthesis, Seasons, and Gravitational Pull on Earth (any 2)
How long does one "Revolution" take to complete for Earth?
What is... one year, or 365 days.
The movement of an orbiting celestial object (star or planet) around a center, or another object is called...
What is... Revolution (or orbit)
The Earth takes one full year to orbit around the Sun. This "R" word describes that motion....
What is... Revolution.
Do we always see the same stars at night, or does our field of view change throughout the year?
What is... We see different stars at different times of the year, because of Earth's Revolution.