Natural Sciences and Technology Grade 5 Term 4: Planet Earth and Beyond Sedimentary Rocks (PPT 2)

Natural Sciences and TechnologyGrade 5

Term 4: Planet Earth and Beyond Sedimentary Rocks

(PPT 2)

Topic 3 Sedimentary Rocks

Uses of sedimentary rockPPT 2

Gr 5 Natural Sciences and Technology – Term 4, Topic 3

Shale

Gr 5 Natural Sciences and Technology – Term 4, Topic 3

Gr 5 Natural Sciences and Technology – Term 4, Topic 3

How do we use sedimentary rock?

Sandstone•Used in building materials.•Soft and easy to carve.•Comes in different colours and look decorative.•Used to make decorative columns, pillars, fountains especially in houses and cathedrals.•Used as paving stones as it does not weather.

Gr 5 Natural Sciences and Technology – Term 4, Topic 3

Sandstone

Gr 5 Natural Sciences and Technology – Term 4, Topic 3

Limestone

•Used in building materials.•Cut into blocks.•Can be crushed to make cement.•Can be carved easily and is used in sculptures.•Limestone makes glass stronger.•Farmers use limestone to improve their soil.•Used in some medicines.•Used as white pigment in toothpaste, paints and plastics.

Gr 5 Natural Sciences and Technology – Term 4, Topic 3

Limestone