Rocks
Rock type that is formed when lava or magma cools or hardens
Igneous Rock
The softest mineral on the Moh's Hardness Scale
Talc
What element on the periodic table has an atomic symbol of Au?
Gold
Hardness
The scale which determines hardness of a mineral.
Moh's Hardness Scale
Rock type that may have ribbon-like features and forms under intense heat and pressure.
Metamorphic Rock
The hardest mineral on the Moh's Hardness Scale.
Diamond
The number of elements on the periodic table
118
Streak
The area of Earth in which both rocks and minerals are found.
The Crust
Rock type that is formed when sediment compacts and cements together. Often has pebbles, sand, or stones in it.
Sedimentary Rock
Often found in many dental products, this mineral scores a 4 on the Moh's Hardness Scale.
Fluorite
This element, atomic symbol Hg, is a liquid at room temperature and shares its name with a planet.
Mercury
Perhaps the easiest one to see, this property is the wave lengths of light absorbed by your eyes. Some are metallic.
Color
The title for a scientist who studies rocks and minerals
Geologist
Marble and quartz are this type of rock
Metamorphic rock
Fossils
The largest group on the periodic table
Transition metals
When a mineral breaks in to a preferred direction or shape like sheets, blocks, or cubes.
Cleavage
This is the most common element in the world.
Hydrogen
Basalt and obsidian are this type of rock
Igneous rock
This mineral is typically found in glass products like windows and porcelain like bath tubs. It scores a 6 on the Moh's scale.
Feldspar
What scientist first organized the elements into the Periodic Table?
Dimitri Mendeleev
This is the tool used to measure the density of a rock. You drop a rock sample in to it and observe the rising water levels to measure density.
Graduated cylinder
Weathering OR Erosion