What are comets made of?
What is ice, rocks (meteoroids), and frozen gases.
Which of the following means to spin on its axis causing a day and night?
rotation
What are the four rocky planets?
What is Mars, Earth, Venus, and Mercury?
Give all three names for the rocky particles that travel through space and try to enter Earth's atmosphere and reach Earth's surface.
Meteoroid, Meteor, and Meteorite
What is the word that means that an object travels around another object, giving the planet a "year"
What is a revolution.
What happens to the comet as it approaches or comes closer to the Sun?
What is the tail will be longer due to the heating up of the iceball and it will speed up as to not be melted as much by the Sun.
What is the "atmosphere of gas" that surround the nucleus of a comet?
coma
The shape of comet's orbit - another name for an oval.
What is an ellipse or elliptical?
What 2 things affect the pull of gravity on objects?
Mass and Distance
How is the orbit of the comet different than the orbit of an asteroid?
What is the comet makes an ellipse or oval shaped orbit around the Sun whereas the asteroid makes a circular orbit around the Sun?
What was the first and LARGEST asteroid found by Guiseppe Piazzi?
What is Ceres found in 1801? It is so large now that they have classified it as a dwarf planet.
Name the 5 Dwarf Planets
Ceres, Eris, Haumea, Makemake, and Pluto
How would you describe the sizes of the comets, meteors, and asteroids? Name them from smallest to largest
What is meteors are the smallest and are about the size of a baseball or pebble? The comet is the size of 6 to 25 miles. An asteroid is the largest and up to 100 miles in length.
Name the 3 parts of a comet
Nucleus, coma, and tail
What does the ending "oid" mean when it is at the end of a word
That the object is located in outer space.
What is the name for the path that an object takes when it travels around another object.
Orbit
In 2006 this Planet was reclassified as a Dwarf Planet
Pluto