#1
Which layer of the Earth is the thinnest?
#2
What is the process called where rocks break down into smaller pieces?
#3
Which mineral is commonly known as 'fool's gold'?
#4
Which type of rock forms from the alteration of pre-existing rock deep within the Earth's crust due to heat, pressure, and chemical processes?
#5
Which mineral is the hardest naturally occurring substance on Earth?
#6
Which type of rock is formed by the cooling and solidification of magma or lava?
#7
What is the approximate age of the Earth?
#8
What is the name of the supercontinent believed to have existed about 300 million years ago?
#9
What is the term for the bending of seismic waves as they pass from one material to another with different properties?
#10
What is the term for the breaking of a mineral along planes of weak bonding?
#11
Which seismic waves are the fastest and can travel through solids, liquids, and gases?
#12