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Science Starter Define the following terms: Rock Rock Cycle

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Presentation on theme: "Science Starter Define the following terms: Rock Rock Cycle"— Presentation transcript:

1 Science Starter Define the following terms: Rock Rock Cycle
Igneous Rock Metamorphic Rock Sedimentary Rock

2 1. When a mineral breaks smoothly, it is called ____________.
2. ___________ is when a mineral breaks into jagged pieces. 3. A mineral’s _____________ is its resistance to being scratched. 4. Hematite leaves a reddish powder when scratched along a surface; this powder is called _______________. 5. The particles in gold are more tightly packed than the particles in ice. Gold must be more ___________ than ice. 6. A mineral that is very shiny has a metallic ___________.

3 ROCKS

4 What is a Rock? Solid Naturally-occurring
Mixture of minerals and other materials. Fill in your Guided notes

5 What is the difference between a rock and a mineral?
Rocks are mixtures of ONE or MORE minerals. Fill in your Guided notes

6 What is the difference between a rock and a mineral?

7 What is a Rock? Rocks are divided into 3 groups based on how they were formed: SEDIMENTARY IGNEOUS METAMORPHIC

8 Sedimentary Rocks Formed from sediments (rock fragments, mineral grains, animal & plant remains) that are pressed or cemented together. Fill in guided notes: Pieces of rock and other materials get pressed together

9 Sedimentary Rock

10 COLOR THE ARROWS BROWN SEDIMENTARY Weathering Erosion Compacting

11 Once a rock is formed, does it stay the same rock forever?
NO!

12 Rocks are continually changed by many processes, such as weathering, erosion, compaction, cementation, melting, and cooling Rocks can change to and from the three types

13 What is a Rock? Rocks are divided into 3 groups based on how they were formed: SEDIMENTARY IGNEOUS METAMORPHIC

14 “Ignis” = Latin for “fire”
Igneous Rocks “Ignis” = Latin for “fire” Formed from the cooling of either magma or lava The most abundant type of rock Fill in your guided notes: Melted rock cools and hardens

15 IGNEOUS Color the igneous arrows RED SEDIMENTARY Weathering Erosion
Compacting Melting Cooling Hardening Melting Cooling Hardening SEDIMENTARY Weathering Erosion Compacting

16 What is a Rock? Rocks are divided into 3 groups based on how they were formed: SEDIMENTARY IGNEOUS METAMORPHIC

17 Rocks that have changed due to intense heat and pressure
Metamorphic Rocks Rocks that have changed due to intense heat and pressure “Meta” means “change” and morphosis means “form” in Greek Igneous, sedimentary and other metamorphic rocks can change to become metamorphic rocks Fill in guided notes: Heat or pressure changes rocks

18 IGNEOUS 18.____________ 16. _____________ Melting 17.___________
Hardening Heat and Pressure Weathering Erosion Compacting Heat and Pressure 16. _____________ 18.____________ Weathering Erosion Compacting

19 What is the process through which rocks change?
The Rock Cycle—earth materials change back and forth among the different types of rocks in a never-ending cycle. Answer Question in guided notes

20 IGNEOUS METAMORPHIC SEDIMENTARY Weathering Erosion Compacting
Heat and Pressure Melting Cooling Hardening Melting Cooling Hardening SEDIMENTARY Heat and Pressure METAMORPHIC Weathering Erosion Compacting

21 There is no set path a rock takes to become another kind of rock

22 How are rocks redistributed?
The core, mantle, & crust are one giant rock recycling machine

23 Rocks Have Been Used For Many Years and For Many Things

24 A Rock’s Story Tell the story of a rock’s life cycle.
Explain the rock cycle in your own words. Describe all the ways a rock can change. Your answer should include: The 3 types of rocks The way each type of rock is formed How one type of rock can change into another. You may include pictures when you have finished your story


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