it tells about 3 types of rocks and the rock cycle

1. NAME- AADESH
ROLL NO. 01
CLASS- 6

2. THE ROCK CYCLE

3. INTRODUCTION
• In this PPT we will be able to learn about what are:
1.Rocks
2.Types of rocks
3.Igneous rocks
4.Metamorphic rocks
5.Sedimentary rocks
6.The rock cycle

4. WHAT ARE ROCKS
• The definition of a rock is a hard mass of stone, or a
broken off piece of a boulder. An example of a rock is a
piece of stone found at the bottom of a cliff.
• There are 3 types of rocks:
1.Igneous rocks
2.Sedimentary rocks
3.Metamorphic rocks

5. IGNEOUS ROCKS
• IGNEOUS ROCKS ARE ALSO CALLED FIRE ROCKS. THEY ARE FORMED MAGMA
• EXAMPLE- GRANITE, BASALT ETC.
• THERE ARE 2 TYPES OF IGNEOUS ROCKS. EXTRUSIVE AND INTRUSIVE.
Magma is the molten or semi-m
natural material from which al
rocks are derived. Magma is fo
the surface of the Earth,

6. EXTRUSIVE IGNEOUS ROCKS
• EXTRUSIVE ROCKSARETHOSE ROCKSWHICH ARE FORMED OUTSIDETHE EARTH’S
SURFACE.
• EXAMPLE- BASALT,ANDESITE, RHYOLITE AND OBSIDIAN
BASALT ANDESITE RHYOLITE OBSIDIAN

7. INTRUSIVE IGNEOUS ROCKS
• INTRUSIVE ROCKS ARETHOSE ROCKSWHICHARE FORMED INSIDETHE
EARTH’S SURFACE.
• EXAMPLE- DIORITE, GABBRO, GRANITE
GABBRO GRANITE DIORITE

8. SEDIMENTARY ROCKS
• Sedimentary rocks are types of rock that are formed by the
deposition and subsequent cementation of mineral or organic
particles on the floor of oceans or other bodies of water at the
Earth's surface.
• Example- sandstone
SANDSTONE

9. METAMORPHIC ROCKS• METAMORPHIC ROCKS ARE FORMED FROM BOTH IGNEOUS
AND SEDIMENTARY ROCKSTHAT HAVE BEEN HEATED UP OR
SQUASHED.
• THE RISE INTEMPERATURE AND PRESSURE CAUSETHE ROCKS
TO CHANGETHEIR FORM.
• WHEN LIMESTONE IS HEATED OR SQUASHED, IT CHANGES
INTO MARBLE.
• SHALE IS A SEDIMENTARY ROCK, WHEN ITWILL CHANGE INTO
METAMORPHIC ROCK ITWILL BE KNOWN AS SLATE.
MARBLE SLATE

10. THE ROCK
CYCLE