Transcript Rocks and Minerals

Rocks and Minerals
By Georgi Thomas 4th grade
Mrs.Losinski
Meanings
• Metamorphic -a type of rock formed when heat and
pressure change the properties of a rock
• Sedimentary-a type of rock formed when layers of
sediments settle on top of one another and harden
• Igneous-a type of rock formed from molten rock
• Erosion-the moving of weathered material
• Weathering-the process that breaks down rocks into
smaller pieces
• Mineral-a natural non-living solid crystal that makes up
rocks
• Magma-the stored pieces of molten rock inside the
volcano
Sedimentary Rocks
• One rock that is sedimentary is shale
• Gneiss can become shale by the rain then
the particles come together and harden
• Sedimentary rocks have layers
• Sandstone has fossils inside and is visible
• Limestone is made up of fossils and
sediments
Being Used
• Shale can be made into bricks or even
cement
• Limestone can be used to make steel
• Sandstone is used for making buildings
Pictures
Sandstone canyon
A house made
out of sandstone
Metamorphic Rocks
• “metamorphic” means change in form
• Igneous, sedimentary, or even other
metamorphic rocks can change into a
metamorphic rock
• Granite can change into gneiss by enough
heat and pressure
Being Used
• Slate is a strong rock so it is good enough
to build roofs
• Marble is used for sculptures and houses
A rooftop made
out of slate
Pictures
The rock marble
Igneous Rocks
• Igneous means “fire” in Latin
• The molten rock that is inside the volcano
is called magma
• When magma comes out of the volcano it
is called lava
Being Used
• Granite construct buildings and used for
roads, shops, schools, restaurants, and
driveways
• Obsidian looks like glass because the lava
cools fast
Pictures
A piece of granite
Granite used for
countertops
The End
• Did you like my Rocks and Minerals
presentation?