Meteoroids that pass through the atmosphere and appear as "shooting stars"
What is meteors
100
The Moon is believed to have formed
What is 4.5 billion years old
100
The length of time the Moon takes to make 1 rotation
What is 27 days?
200
The measure of the amount of "stuff" in a sample of matter.
What is mass?
200
Believed the craters on the Moon were formed from volcanos
Who is Dr. Green
200
Space rocks.
What are meteoroids
200
A large body of molten material (magma) on the Moon in which minerals eventually formed and settled according to density
What is the Magma Ocean
200
The length of the time it takes the Moon to make one revolution around the Earth
What is 27 days
300
Three-dimensional area that something takes up. It is measured in cubic centimeters (cc) or (cm) cubic meters.
What is volume
300
Found iridium in a layer of sedimentary rock believed to be 65 million years old
Who is Dr. Alverez?
300
An often metallic rock that survives impact
What is a meteorite?
300
This theory is currently accepted by most scientists on the Moon's origin
What is Impact Theory?
300
The part of the experiment that "stays the same"
What is the control
400
How close together the matter are packed. It is a property of matter. Expressed as a formula
What is density?
400
This person was the first person to accurately sketch the Moon before inventing the telescope
Who is Galileo
400
Material that is thrown out of a crater at the site of impact
What is ejecta
400
The Earth got spinning so fast that a chunk flew off and the Moon was created. This theory was considered by scientists in the past.
What is Fission Theory
400
It takes this long to get to the Moon
What is 3 days
500
Mineral created only during impact
What is coesite
500
These three people discovered Shoemaker-Levy 9
Who are Eugene and Carolyn Shoemaker and David Levy
500
White lines that extend out in all directions from some craters
What is rays?
500
The Moon was formed when the Earth had grown to about 90% of its present size. A Mars-sized planet crashed into Earth. The Moon formed from the heated Earth material and small planet debris.
What is Impact Theory
500
Structures on the Moon that look like canyons or stream courses