2.0 - Our Solar System

Question 1

Name the 4 planets from the sun to the asteroid belt in order

Answer 1

Mercury, Venus, Earth, Mars

Question 2

Name the 4 planets from asteroid belt to Pluto

Answer 2

Jupiter, Saturn, Uranus, Neptune

Question 3

why was Pluto reclassified as a dwarf planet in 2006

Answer 3

-its not gravitationally dominate
- doesnt orbit the sun
- its a moon
- doesnt have enough mass
-it cant clear is orbit of debris

Question 4

where is the kupier belt

Answer 4

outside of neptune

Question 5

what is a METEOROIDS

Answer 5

a rock/metal in outer space

Question 6

what is a METEOR

Answer 6

a rock/metal that enters the earths atmosphere (shooting star)

Question 7

what is a METEORITES

Answer 7

a rock/metal that hits the earth

Question 8

what are astroids

Answer 8

small rocks and metals that orbit the sun

Question 9

What are the two outer layers of the earth

Answer 9

• corona (solar atmosphere)
• chromosphere (inner atmosphere)

Question 10

what is a solar prominences

Answer 10

slow ejections of gas

Question 11

where does the sun get its energy

Answer 11

from nuclear fusion (helium and hydrogen atoms)

Question 12

how does the suns energy move

Answer 12

the core —> radioactive zone —> convection zone —> photosphere

Question 13

what is the solar nebula theory

Answer 13

a theory that states that the solar system was formed around 5 billion years ago from a massive cloud of gas and dust called the protostar