The earth is a part of a large system called the ....
solar system
Each planet takes a different amount of time to travel around the sun? One trip around the sun is called a _________________.
It takes the earth _________ days to travel around the sun.
revolution
365 days
The sun has three inner layers. What are they called
the core, radiative zone, convection zone
What are the 4 outer planets?
Jupiter, Saturn, Uranus, Neptune
When meteors fall through the sky they burn up and give off ______________. That's why they look like a shooting star.
light
The _________ is the center of the solar system.
Sun
Planets that are _____________ away from the sun take a longer amount of time to make one complete trip around the sun.
closer
further
The sun has three atmosphere layers. What are they called?
photosphere, chromosphere, corona
_________________ is the study of the sun, planets, and other bodies in our solar system.
Astronomy
What is is called when the meteors don't completely burn up and make it to the earth's surface?
Meteorites
What keeps the other planets traveling around the sun?
gravity
As a planet follows its orbit around the sun, the planet also spins on its axis. This is called a _______________.
It takes earth _________ hours to make one full rotation.
rotation
24 hours
What are sun spots?
Cool spots that form on the suns photosphere.
What is an asteroid?
A large piece of rock that orbits the sun.
What galaxy are we a part of?
Milky Way
How many known planets are there?
Can you name them all??
8
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
How old is the sun?
4.5 billion years old
What are solar flares?
A sudden violent bursts of energy that send gas, light and UV rays shooting into space.
Where is the asteroid belt located? Between what two planets
Mars and Jupiter
What does a star start out as?
clouds of dust, gases, and ice participles form with the help of gravity. Eventually the gaseous ball releases energy in the form of light.
What shape to the planets travel around the sun in?
Ellipse
What two gases is the sun mainly made of?
helium
hydrogen
What are the inner planets?
Mercury, Venus, Erath, Mars
What is a meteor?
A solid object made of ice or rocks that fall through the earth's atmosphere.
Name some things that a star can become towards the end of its life?
white dwarf, black dwarf, supernova, or black hole