Science the big test in the forth term Flashcards
What is mass
Amount of atoms in a object
What is a celestial body
Object in space with mass
What can a celestial body be made of ?
Rocks,gas, or both
What is the center of our solar system ?
The sun
It is a big ball of …………
Burning gas
How many layers does the sun consist of ?
6
It is called the what of the sun
Anatomy
All the other plants do what around the sun ?
Evolve
How many plants are there
8
What do these plants consist of
Four rocky interior plants and four gas internal planets
What do all the 8 major plants do around the sun
Orbit
What does orbit mean
Pathway of a celestial body around a star or planet
What so the four interior planets consist of
Rock and metal
What are the four interior plants called
Mercury , Venus ,earth and mars
How long does it take mercury to complete its orbit
88 days