The sea floor is older than the earth.
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The Earth is about 4.5 billion years old.
The Earth is about 4.5 billion years old.
A silica tetrahedron is composed of four atoms of the elemen…
A silica tetrahedron is composed of four atoms of the element ___ and one atom of ___.
The Rift Valley in East Africa is an example of a ______.
The Rift Valley in East Africa is an example of a ______.
The atomic mass number is equal to the number of neutrons in…
The atomic mass number is equal to the number of neutrons in an atom.
The deficit seen in this video would BEST be documented as:
The deficit seen in this video would BEST be documented as:
The basic idea of ______ is that the Earth’s surface is divi…
The basic idea of ______ is that the Earth’s surface is divided into a few large plates that move slowly relative to one another.
A ______ plate boundary involves two plates that are moving…
A ______ plate boundary involves two plates that are moving apart from each other.
Match the definitions to the vocabulary terms
Match the definitions to the vocabulary terms
____ is the most common element in the Earth’s crust.
____ is the most common element in the Earth’s crust.