Science - What are the Planets in our Solar System?
Dwarf Planets
Are nearly round boides whose orbits cross those of other bodies.
The Inner Planets
Are those closest to the sun.
The Outer Planets
Are those farthest from the sun.
Inner Planets are:
Mercury, Venus, Earth and Mars.
What is the average temperature of Earth?
13ºC
What do they use to measure the distance in the solar system?
Astronomical Units or AU
The Life Zone Area
Begins just outside Venus´s orbit and ends before the orbit of Mars.
What are outer planets alike?
Do not have solid surfaces. Made up of gases Have many moons
How many planets has our solar system?
Eight Planets.
Where are most asteroids?
In the Asteroid Belt, between Mars and Jupiter.
Comet
Is a ball of rock and frozen gases.
Planet
Is a large round body that revolves around a star in a clear orbit.
Asteroid
Is made of rock and metals.
Solar System
Is made up of a star and the planets and other oides that revolve around it.
Earth
Is the largest and densest of the Inner Planets.
Jupiter
Is the largest planet of the Solar System.
The Life Zone
Is the region of space where the temperature range allows life to thrive.
The sun
Is the star at the center of our solar system.
What things has the Earth ´s Atmosphere to support life?
It traps solar energy to keep the temperature comfortable. It contains the gases that most living things need. Protects from solar radiation.
Outer Planets
Jupiter, Saturn, Uranus, Neptune.
Inner Planets characteristics
They Are the smallest and warmest. They have hard surfaces made of rock. They revolve around the sun more quickly than outer planets. They have large and solid cores.
Outer Planets Characteristics
They are gigant balls of gases. They are larger than the inner planets. They rotate quickly, which make a short day. They have rings. They have small and solid cores.
What are inner planets alike?
They are small and rocky. They have few moons or none.
Astronoical Units
is the distance between Earth and the sun.
