Lesson Notes By Weeks and Term - Junior Secondary 1

Satellites

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TERM – 3RD TERM

WEEK NINE

Class: Junior Secondary School 1

Age: 12 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC SCIENCE

Topic: SATELLITES

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. Define Satellites
  2. Identify the types of satellites
  3. Identify the uses of Satelites.

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher introduces the topic, Satellite and discuss the types of satellites.

Students pay

attention

STEP 2

EXPLANATION

Teacher discusses the uses of satellites.

Students pay

attention and

participate

STEP 3

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

SATELLITES

Meaning of Satellites

The term "satellite" has multiple meanings depending on the context, but in the context of astronomy and space exploration, a satellite refers to a celestial body that orbits around a larger body, such as a planet or a star. Satellites can be natural or artificial:

  1. Natural Satellites: These are celestial bodies that orbit planets or other larger objects in space. The most well-known natural satellite is the Moon, which orbits the Earth. Other planets in our solar system also have natural satellites, such as Mars' moons Phobos and Deimos, Jupiter's moons Ganymede and Europa, and Saturn's moon Titan.
  2. Artificial Satellites: These are man-made objects launched into space to perform various functions, such as communication, navigation, scientific research, and Earth observation. Artificial satellites are launched into specific orbits around the Earth and are used for a wide range of purposes, including telecommunications, weather forecasting, surveillance, and monitoring environmental changes.

Uses of Satelites

Satellites play crucial roles in various fields, including communication, photography, mapping, and geographical information systems:

  1. Communication: Satellites are widely used for global communication, providing services such as telephone calls, internet connectivity, television broadcasts, and data transmission. Communication satellites relay signals between ground stations, allowing people around the world to communicate over long distances without the need for physical cables or infrastructure.
  2. Photography and Remote Sensing: Satellites equipped with cameras and sensors capture high-resolution images of the Earth's surface for various purposes, including environmental monitoring, urban planning, agriculture, and disaster management.
  3. Mapping and Cartography: Satellites contribute to mapping and cartography by providing accurate geographic data and imagery for creating maps, charts, and geographic information systems (GIS).

Mapping satellites collect elevation data, terrain information, and land cover data, helping cartographers and planners create detailed and accurate maps of Earth's surface.

  1. Geographical Information Systems (GIS): Satellites are integral to geographical information systems (GIS), which are computer-based tools used to analyze, visualize, and interpret spatial data.

GIS applications rely on satellite imagery and data to monitor environmental changes, manage natural resources, plan infrastructure projects, and make informed decisions in areas such as urban planning, agriculture, forestry, and emergency response.

EVALUATION: 1. What is a satellite?

  1. Mention and explain the two types of satellites.
  2. Identify 5 uses of satellites.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively