Habitability
Which element in Earth's atmosphere is essential for human life and is extremely rare or non-existent in the atmosphere of other planets in our solar system?
What is Oxygen
Name the inner planets
What is Earth; Mercury; Venus; Mars
How does mass effect gravity?
The larger mass=more gravitational pull
Where is the Asteroid Belt located?
Between Mars and Jupiter
Name one reason Venus can not support life?
too hot, not an appropriate atmosphere, not water
another name for the inner planets
What is terrestrial planets?
What is intertia?
The tendency of an object to resist a change in motion.
What are comets made of?
Rock, dirt and ice
Name 2 features Earth has that leads to habitibilty
atmosphere, oxygen, magnetic field
Name the outer planets
What are Jupiter, Saturn, Uranus and Neptune
Force that keeps the planets in orbit and attracts objects towards each other.
gravity
Where are comets found?
Oort cloud and Kieper belt
What is the Goldilocks zone?
Name 3 ways inner and outer planets are different
1. Size-Outer are larger
2. Inner are rocky, outer are gas
3. Inner planets have fewer moons
Why would a soccer ball and bowling ball both hit the ground at the same time if dropped from the same height?
They both have the same gravitational force applied to them.
Why do comets have tails?
As they get close to the Sun they start to melt, forming a tail.
Outer planets are further from the Sun, therefore their revolution time is___________
longer
How do gravity and inertia work together within our solar system?
Gravity keeps planets in place, inertia keeps them moving which prevents them from getting pulled into the sun.
What is a difference between asteroids and comets?
Comets have ice, asteroids are just rocks. Comets have a larger orbits, and are typically bigger.