1. Rocks and Minerals Prep

2. All rocks are made of minerals.

3. What is the hardest minerals on the Mohs hardness scale??
Diamond

4. What type of properties are best to identify minerals?
Characteristic properties
Crystalline structure, reaction with acid, hardness, transparency, luster
Properties like size, shape, color, mass…can change and don’t help identify

5. The scale ranking minerals from softest to hardest is called?
Hard Rock ratings
Durability scale
Mohs hardness scale
Light refraction
None of the above

6. Rocks and minerals are used in construction, hygiene products, and decorations

7. When you can see through a mineral sample, but the image is blurry, it is called…
translucent
transparent
opaque
glassy
brilliant

8. Minerals are inorganic materials found naturally on earth

9. Synthetic minerals are considered real minerals.

10. What profession studies rocks, minerals, and other inorganic parts of the earth
Geologist

11. How are igneous rocks formed?
The cooling of magma

12. How are metamorphic rocks formed?
Heat and pressure

13. How are sedimentary rocks formed?
Weathering, compacting, cementing

14. What is an intrusive igneous rock?
An igneous rocks that forms from the cooling of magma beneath the earth’s surface

15. What is an extrusive igneous rock?
An igneous rock that forms from the cooling of lava above the earth’s surface.

16. When a mineral breaks in a ragged line
What is fracture?
When a mineral breaks in a ragged line

17. When a mineral breaks in a sharp line.
What is cleavage?
When a mineral breaks in a sharp line.

18. Dull, glassy, and brilliant are all used to describe a mineral’s …
Luster

19. Rocks and minerals are renewable resources

20. What are some examples of igneous rocks?
Obsidian, granite, kimberlite, basalt, pumice

21. What are some examples of metamorphic rocks?
Slate, gneiss, marble

22. What are some examples of sedimentary rocks?
Limestone, coal, sandstone

23. The law of superpostion states that older rocks are on the bottom.

24. What is the softest mineral on the Mohs hardness scale?
Talc

25. See next slide for answer
Draw out the rock cycle.
See next slide for answer

27. What is crystalline structure?
The organization of a specific set of atoms that are arranged in a repeating pattern

28. What is the difference between magma and lava?
Magma is molten rock beneath the earth’s surface.
Lava is molten rock above the earth’s surface.