Sedimentary rocks form through the weathering and erosion of rocks and the deposition of sediment, which is then compacted and cemented over time. The three major types are clastic sedimentary rocks, which are composed of fragmented minerals or rocks; organic sedimentary rocks, which contain the remains of plants and animals; and chemical sedimentary rocks, which form from mineral precipitation. Sedimentary rocks have various uses including construction materials, road base, manufacturing plaster, and as a source of minerals through mining.

1. SEDIMENTARY ROCKS
Chapter 10: Lesson 4
pages 392-397

2. OBJECTIVES
• Describe how sedimentary rocks form.
• Gather and synthesize information to list and
describe the three major types of sedimentary
rocks.
• Apply scientific principles to explain how
sedimentary rocks are used.

3. THE BIG QUESTIONS
•How do sedimentary rocks form?
•What are the three major types of
sedimentary rocks?
•How are sedimentary rocks used?

4. Objective:
Describe how sedimentary rocks form.
My Planet Diary (page 392)
It is hard, has a fine texture
and does not fracture along
thin, even planes.

5. Objective:
Describe how sedimentary rocks form.
How Do Sedimentary Rocks Form (page 392)

6. Objective:
Describe how sedimentary rocks form.
How Do Sedimentary Rocks Form (page 393)

7. Objective:
Describe how sedimentary rocks form.
How Do Sedimentary Rocks Form (page 393)

8. Objective:
Describe how sedimentary rocks form.
How Do Sedimentary Rocks Form (page 393)
Weathering and
erosion
Deposition Compaction Cementation

9. Objective:
Describe how sedimentary rocks form.
How Do Sedimentary Rocks Form (page 393)
Weathering, erosion, deposition, compaction and cementation.

10. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 394)

11. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 394)

12. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 394)

13. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 394)

14. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 394)
Rock fragments

15. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 394)
3 4 1
2

16. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 395)

17. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 395)

18. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 395)

19. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 395)
Layers of plant remains
build up over time
The layers are squeezed
together
The shells and skeletons
pile up on the ocean floor.
The layers are compacted
and cemented.

20. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 396)

21. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 396)

22. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 396)
calcite
Geologists can apply a few drops
of acid to a sample of the towers.
Because limestone contains
calcite, the acid should bubble.

23. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
What Are the Three Major Types of Sedimentary Rocks? (page 396)
Water deposits clay in
thin, flat layers
The area must have been
covered by water at some
time, because shale forms
when water deposits.
Clastic rocks, organic rocks and chemical rocks.

24. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
How Are Sedimentary Rocks Used? (page 397)

25. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
How Are Sedimentary Rocks Used? (page 397)

26. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
How Are Sedimentary Rocks Used? (page 397)

27. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
How Are Sedimentary Rocks Used? (page 397)

28. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
How Are Sedimentary Rocks Used? (page 397)

29. Objective:
Gather and synthesize information to list
and describe the three major types of
sedimentary rocks.
How Are Sedimentary Rocks Used? (page 397)
Tools and building materials

30. Lesson Review (page 407) Sedimentary Rocks
Rock fragments
The rock is breccia, which forms
jagged pieces (larger than sand
grains) of other rocks.