Last Updated on June 8, 2021 by Alabi M. S.
SENIOR SECONDARY SCHOOL (SSS 1)
THEME: AGRICULTURE ECOLOGY
PREVIOUS LESSON – Agricultural Science Plan Lesson Notes for Senior Secondary Schools – SSS 1
TOPIC – ROCK FORMATION
1. Meaning of Rocks
2. Types of Rocks
3. The Processes of Rock Formation
By the end of the lesson, most of the students should have attained the following objectives –
1. Describe processes of rock formation.
2. Identify types of rocks.
The teacher will teach the lesson with the aid of:
2. Charts and pictures of different types of rock
3. Field trips to rocky areas
METHOD OF TEACHING
Choose a suitable and appropriate methods for the lessons.
Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.
1. Scheme of Work
2. National Curriculum SSS Classes
3. Course Book
4. All Relevant Material
5. Online Information
CONTENT OF THE LESSON
MEANING OF ROCK
A rock is a solid made up of a bunch of different minerals.
TYPES OF ROCKS
There are three major types of Rocks – Metamorphic, Igneous, and Sedimentary rocks.
MEANING/DEFINITION OF IGNEOUS ROCKS
Igneous rocks are formed by volcanoes. When a volcano erupts, it spews out hot molten rock called magma or lava.
Examples of igneous rocks include basalt and granite.
MEANING/DEFINITION OF METAMORPHIC ROCKS
Metamorphic rocks are formed by great heat and pressure. They are generally found inside the Earth’s crust where there is enough heat and pressure to form the rocks.
Other examples of metamorphic rocks include marble, anthracite, soapstone, and schist.
MEANING/DEFINITION OF SEDIMENTARY ROCKS
Sedimentary rocks are formed by years and years of sediment compacting together and becoming hard.
Some examples of sedimentary rocks are shale, limestone, and sandstone.
PROCESSES OF ROCK FORMATION
The processes of rock formation is how a rock can change from igneous to sedimentary to metamorphic over time.
1. Melted rock or magma is sent to the earth’s surface by a volcano. It cools and forms an igneous rock.
2. Next the weather, or a river, and other events will slowly break up this rock into small pieces of sediment.
3. As sediment builds up and hardens over years, a sedimentary rock is formed.
4. Slowly this sediment rock will get covered with other rocks and end up deep in the Earth’s crust.
5. When the pressure and heat get high enough, the sedimentary rock will metamorphose into a metamorphic rock and the cycle will start over again.
To deliver the lesson, the teacher adopts the following steps:
1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the students some questions; then, the teacher –
2. Lead student to define rock and differentiate between types of rocks.
Student’s Activities – Define rock and state types of rocks.
3. Discuss the processes of rock formation.
Student’s Activities – Participate actively in the classroom discussion.
4. Summarizes the lesson on the board.
Student’s Activities – Copy as the teacher writes.
To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.
Ask students to:
1. Define Rock.
2. Mention different types of rocks.
3. Describe the processes of rock formation.