Vocabulary to know
A large round object that revolves around a star and has cleared the region around it's orbit
What is a planet
How is Mercury's atmosphere different than other planets?
It has almost no atmosphere
A group of stars that form a pattern
What are constellations
The sun is one of the largest stars in the galaxy. True or false? Why or why not?
False. It is a medium-sized star
Earths orbit is circular. True or false? Why or why not?
False. Earths orbit is elliptical.
A natural object that revolves around a planet
What are the 4 inner planets?
Mercury, Venus, Earth and Mars
The four closest planets to the sun
What are the inner planets
If other stars are brighter and larger than the sun, why does it appear so big?
Because the sun is the closest start to Earth
Why do we have seasons?
Because the Earth is tilted on it's axis. When tilted away from the sun it is colder, when tilted toward the sun, it is hotter.
What is an axis
What are the 4 outer planets?
Jupiter, Saturn, Uranus, and Neptune
The four planets furthest from the sun
What are the outer planets
What are 3 characteristics of the sun?
It is hot, gives of light, fiery ball of gasses, has no hard surface
What does one rotation equal?
What is 1 day or 24 hours.
One whole spin of an object around it's axis
What 4 planets have rings?
Saturn, Jupiter, Uranus, and Neptune
A frozen mass of different types of ice and dust orbiting the sun
What are dark spots that move on the face of the sun?
What are sunspots
What does one revolution equal?
What is 1 year or 365 days
One full orbit of an object around another object
What is a revolution
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
A rocky mass up to several hundred kilometers wide that revolves around the sun
What is an asteroid
Which layer of the sun gives off the light energy we see?
What is the photosphere
The sun rises in the _____ and sets in the _____
East and west