Rocks and Minerals Grade 7 Science.

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Presentation transcript:

Rocks and Minerals Grade 7 Science

Goal I can identify rocks and minerals using their properties and how they are formed.

I can identify rocks and minerals using their properties and how they are formed. What is a mineral? Which ways can we identify them? Any new vocabulary or parts you did not understand?

I can identify rocks and minerals using their properties and how they are formed. What is a mineral? A pure substance that forms naturally as a solid in the earth All rocks are made of minerals Most rocks are a mix of minerals

I can identify rocks and minerals using their properties and how they are formed. Most of the earth’s crust is made of 5 minerals: Calcite Quartz Feldspar Mica Hornblende

I can identify rocks and minerals using their properties and how they are formed. What are the 4 properties we use to identify rocks and minerals? Colour Lustre – How does it look in the light? Shiny? Metallic? Streak – Colour of the powder left behind when rubbed together Hardness – Soft? Hard?

I can identify rocks and minerals using their properties and how they are formed. Let’s look at our mystery rock! Colour? Lustre? Streak? Hardness?

I can identify rocks and minerals using their properties and how they are formed. Now let’s try in our groups! Colour? Lustre? Streak? Hardness? Other?

Types of Rocks Grade 7 Science