Comets
Comets are made of ____, ____ ,and ____
Ice, dust, and gas
A meteorite is located __ _____ ________
on earth's surface
An asteroid is made of ____ and ____
rocks and metals
The shape of an elliptical orbit is __ _____
an oval
_____ ______ discovered gravity
Isaac Newton
A comet looks like a _____ _______
dirty snowball
It is known as a "shooting star"
Meteor
Congrats!
This is a free pass! Your team just earned 200 points!
The center of our solar system is ___ ___
the Sun
Mass is measured in ______
grams
As a comet gets closer to the Sun it grows a ____
tail
A meteoroid is located
in space
dinosaurs
The path a planet follows as it moves around the sun
Orbit
Weight is measured in ______
Newtons
Name a gas that could be found in a comet
A meteor is located
Most asteroids are found between ________ and ________
Mars and Jupiter
or
the inner and outer planets
Our solar system is located in the _____ ___ galaxy
Milky Way
The _______ force between all objects in the universe is
attractive
The most famous comet that passes by Earth about every 76 years
Halley's Comet
Put these in order from space to Earth: meteorite, meteoroid, meteor.
Meteoroid → Meteor → Meteorite
An asteroid is a rocky object that is too small to be a _____
planet
It takes ___ days for Earth to orbit around the Sun
365
Two factors that affect the force of gravity between two objects are ________ and ________.
mass and distance