lesson 1
TRANSCRIPT
Minerals and rocks
What are Minerals
What are Minerals
• Minerals: are a solid, natural material made form nonliving substances in the ground
What are Minerals
• Minerals: are a solid, natural material made form nonliving substances in the ground
• Minerals are made up of elements
What are Minerals
• Minerals: are a solid, natural material made form nonliving substances in the ground
• Minerals are made up of elements
• Element is a pure substance that can’t be broken down any more
Properties of Minerals
Properties of Minerals• Luster: The way a mineral reflects light from its
surface
Properties of Minerals• Luster: The way a mineral reflects light from its
surface
• 2 General kinds of luster:
• Metallic: Looks Shiny
• Non-Metallic: Looks Dull
Properties of Minerals• Luster: The way a mineral reflects light from its
surface
• 2 General kinds of luster:
• Metallic: Looks Shiny
• Non-Metallic: Looks Dull
• Hardness:
• Moh’s Hardness Scale
• Cleavage: Even breaks
• Frature: Uneven Brakes or Rough surfaces
What are the shapes of a mineral
What are the shapes of a mineral
• Minerals form patterns
What are the shapes of a mineral
• Minerals form patterns
• crystal is a solid whose shape forms a fixed pattern
What are the shapes of a mineral
• Minerals form patterns
• crystal is a solid whose shape forms a fixed pattern
• Gems: Minerals that are rare and beautiful
Rock Cycle
Rock Cycle
• Rock Cycle
Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
• Most rocks are mixtures of materials
Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
• Most rocks are mixtures of materials
Rock Cycle
• Rock Cycle
• A Rock is a solid object made naturally in the Earths Crust
• Most rocks are mixtures of materials
• 3 types of Rocks
Sedimentary
Sedimentary
• Pressure cements the sediments together and makes them stick together
Igneous
Igneous
• When Lava cools and hardens
Metamorphic
Metamorphic
• Rock that forms when sedimentary and igneous rocks change under heat and pressure