Test 1- Space Systems Flashcards
How did our solar system form?
The Big Bang Theory
The Big Bang Theory
an explosion that pushed matter into space and enabled stars to form
Galaxy
Is a group of stars, gas, and dust
What galaxy do we live in?
Milky Way Galaxy
How is our Milky way shaped?
Spiral-Shaped
What is the sun made up of?
Hydrogen and Helium
Why is the Sun important to earth?
It provides heat and light that makes life possible on earth
Our solar system includes
8 planets and other objects (moons, astroids, comets, and meteors)
What holds planets in their orbit around the sun?
Gravitation pull from from the sun
What is the star classified as?
Star
Why does the moon appear to change shape?
It revolves around earth
What is the main reason earth has tides?
The moon
Coment
small ball of ice, rock and dust particles
Asteroid
A rocky object that orbits the sun–they come in different shapes
Why doe we have seasons?
The earth revolves around the sun
When the earth rotates, what happens with direct and indirect sunlight?
As the earth rotates different parts of the earth get direct and indirect sunlight
When the Northern Hemisphere, is being hit with direct sunlight what season are we in?
Summer
When the southern hemisphere is being hit with direct sunlight what season are we in?
Winter because we are receiving indirect sunlight
Rotation
When the earth rotates around its axis–Earth takes for 24 hours in one day
Revoultion
When the earth revolves around the sun–this takes 365 days a year
Climate
Refers to the average weather condition is a region over a long period of time
Weather
Refers to the short-term atmospheric condition in a specific place at a specific time
Tropic zone
area closest to the equator, warm all year round
Temperate zone
4 seasons (more direct and indirect light in winter)
Polar Zone
Area near the poles, cool to cold all year: Receives no direct sunlight
