S
The largest object in the solar system.
What is the sun?
This planet was once classified as a planet, but is now a dwarf planet.
What is Pluto?
The four inner planets.
What are rocky planets?
OR
Mercury, Venus, Earth, Mars
The four outer planets.
What are gas giants?
OR
Jupiter, Saturn, Uranus, Neptune
The movement of one solar system object into the shadow of another object.
What is an eclipse?
Why stars appear to twinkle.
Makes seasons occur.
Indicates temperature.
What is the color of a star?
Small, rocky and icy bodies that orbit the sun.
What is a comet?
When the lit part of the moon is growing.
What is waxing?
The shape of the Milky Way Galaxy.
What is a spiral?
The Milky Way Galaxy.
What galaxy do we live in?
Tides are caused by...
What is gravity?
The spin of an object around its axis.
What is rotation?
When the lit part of the moon is shrinking.
What is waning?
Rocks and other heavy elements.
What are the four inner planets formed by?
Gases and other materials.
What are the four outer planets formed by?
The orbit of one object around another.
What is revolution?
Earth's rotation axis is tilted directly toward or away from the sun.
What is a solstice?
Natural satellite that orbits an object other than a star.
What is a moon?
What is a dwarf star?
When Earth is tilted directly to the sun.
What is the Summer season?
When Earth is tilted directly away from the sun.
What is the Winter season?
Orbits the sun, spherical in shape, and no other large object in its orbital path.
What is a planet?
Small, rocky object that orbits the sun.
What is an asteroid?