Basic Facts
Name a source of light and a reflector of light.
Stars and the moon.
Why are there seasons on Earth?
Due to the tilt of Earth, at times Earth leans closer to the sun and sometimes it leans further from the sun - this causes seasons.
What we get from the sun. Two things.
Light and heat
Ursa major and ursa minor are types of ....
Constellations
What is a star map?
Shows the location of stars / constellations during different times of the year.
Number of planets in the solar system.
8
Why do shadow lengths change throughout the day?
What should you use to view the sun?
Projection device OR #14 welding glasses.
Which ancient civilization named the constellations?
Ancient Greeks
What type of constellation can only be seen during the summer?
Summer Constellation
Earth's Natural Sattelite
Moon
When is the Summer Solstice?
June 21
When the sun is blocked by the moon this is called ...
A solar eclipse
What were constellations used for in the past?
For Navigation
Describe one day in terms of Earths movements in space
One rotation of its axis.
Name the smallest planet AND the largest planet.
smallest: Mercury
largest: Jupiter
When is the Winter solstice?
December 21
Shadows are shortest when ...
The sun is at its highest in the sky - midday.
Which galaxy are we a part of ?
The Milky Way Galaxy is a spiral galaxy.
Describe one year on Earth in terms of its movement in space.
Time it takes to orbit the sun once.
What is the difference between: meteor, meteoroid and meteorite?
Meteoroid: Solid body in outer space
Meteor: Solid body from outer space that has reached Earth's atmosphere
Meteorite: Solid body from outer space that has reached Earth's surface.
What type of sun rays are most intense?
Direct sun rays . Slanted rays are less intense.
What accounts for the suns brightness?
Thermonuclear Reactions
Why do the position of the stars change throughout the YEAR, in other words why are some constellations seasonal?
What is the word for the path in which a planet travels around the sun? What shape is Earths path?
Orbit , Elliptical