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Contained inside the head of a comet
What is the nucleus
The planet with a big spot which is a storm
What is Jupiter
On this planet, one side is very hot and the other is freezing
What is Mercury
This is considered a rare great earthquake
What is 9 on the Richter scale
This is the hottest layer of the atmosphere
What is thermosphere
Pollution creates ozone in this layer
What is troposphere
This is the first colour of light
What is red
The bending of light rays as they go from one substance to another
What is refraction
What is magma
The trade winds are found in the tropics and here
What is the equator
Acid rain can cause this type of erosion
What is chemical erosion
This planet has the shortest revolution period
What is Mercury
This burns up in the mesosphere
The force of attraction between two objects
What is gravity
The phase of the moon that comes after a full moon
What is last quarter
Formed by an underwater earthquake
What is a tsunami
Part of the water cycle when the water from the ground returns to the lakes
What is runoff
Fragments of rocks that are compacted and cemented together
What is sedimentation
Location of the prevailing west wind
What is middle latitudes
Positive benefits from volcanoes includes fertilizing soil and this
What is geothermal energy (geysers)
The name of the scale used to measure earthquakes
What is Richter Scale
Another name for shock waves
Seismic waves
The atmosphere reduces temperature difference on Earth due to this
What is the greenhouse effect
Nitrogen and this are the two main gases of the atmosphere
What is oxygen
Volcanoes can be formed from two different movements of tectonic plates. This one produces less violent volcanoes
What is divergent