Quiz 1 Science Review 9/19 Flashcards
What theory explains how the universe was formed?
The Big Bang Theory
AU stands for
Astronomical Unit
All planets orbit the…
Sun
The asteroid belt is located between which two planets?
Mars and Jupiter
Why is the sun the center of our solar system?
The Sun is largest of all the objects in the solar system (the 8 planets) orbit around the sun
What planet has the shortest trip around the sun?
Mercury
What planet has the longest trip around the sun?
Neptune
The planets who have a smaller AU (Astronomical Unit) number have a _____ trip around the sun?
Shorter
The planets who have a larger AU (Astronomical Unit) number have a _____ trip around the sun?
longer
Why is the sun so important to Earth?
It provides heat and light to make life possible
Comets are made up of
Small ball of ice, rock, and dust particles
How many planets are in the solar system?
8
The Sun is made up of
Hydrogen and Helium
