Rotation
To rotate means to ________ on an _________.
Spin, Axis
Th revolve means to go __________ or __________ something.
Around, Orbit
The inner planets are also known at the ___________ planets
Terrestrial
The outer planets are also known as the ____ planets
Gas
How many degrees is the Earth's axis tilted?
23.5 degrees
How long does it take Earth to make on full rotation?
24 hours
How long does it take the Earth to make one full revolution?
365 days or 1 year
What are the inner planets made of?
Rock and Metal
Name the 4 outer planets in order
Jupiter, Saturn, Uranus, Venus
Which celestial object has an axial tilt of 122.5 degrees?
Pluto
When the Eastern Hemisphere is facing the Sun, what time of day is it?
Daytime
Draw a model of Earth's revolution aroud the Sun
Name two reasons why Earth is capable of supporting life.
What is Saturn's period of rotation at the equator?
Where does our Sun go when you can't see it?
Nowhere! It's us who move so it appears that the Sun is moving.
Name one way that we know Earth is rotating.
The Sun appears to rise in the East and set in the West OR the moon and stars appear to move form East to West
What holds the Earth and all other planets in their orbit?
The Sun's gravitational force
What gives Mars its reddish color?
The iron oxide in its soil
What is the Great Red Spot on Jupiter?
Storm of swirling gases
Name the 3 Dwarf Planets on the Solar System Objects Data Table.
Ceres, Pluto and Eris
What direction does Earth rotate?
Counter-clockwise
Which planet has the longest period of revolution? And what is its revolution>
Neptune, 163.7 years
What are Venus's clouds made of?
Acid
What space probe explored Uranus in 1986?
The Voyager 2
What is the difference between Jupiter and Earth's equatorial diameter? (Don't forget the units!)
130,228 Km