The Solar System: Components of the Solar System, Natural Bodies in the Solar System, the Sun and the Planets, Gravity and Weightlessness in Space Primary 6 (Basic 6) Second Term Week 5 Basic Science and Technology

BASIC SCIENCE AND TECHNOLOGY

SECOND TERM

WEEK 5

PRIMARY 6 (BASIC 6) 

THEME – LEARNING ABOUT OUR ENVIRONMENT 

PREVIOUS LESSON – The Earth and Its Movement: The Sun, Moon and Earth, Effects of the Interaction Between the Sun and the Earth, Rotation, Revolution, Solar and Lunar Eclipse, and Sources of Light for the Earth Primary 6 (Basic 6) Second Term Week 4 Basic Science And Technology

TOPIC – THE SOLAR SYSTEM 

LEARNING AREA

1. Introduction

2. Components of the Solar System

3. Natural Bodies in the Solar System/the Sun and the Planets

4. Gravity and Weightlessness in Space

5. Weekly Assessment: Test Questions and Answers/Assignment

6. Summary

LEARNING OBJECTIVES 

By the end of the lesson, pupils should be able to:

1. Define the Solar System.

2. Identify the components of the Solar System.

3. Mention the natural bodies found in the Solar System.

4. Identify the Sun and the eight planets.

5. Explain the importance of the Sun in the Solar System.

6. Explain the meaning of gravity and weightlessness.

7. State the effects of gravity and weightlessness in space.

ENTRY BEHAVIOUR

Pupils have previously learned about the Sun, the Moon, and the Earth, as well as the Earth’s rotation and revolution. They know that the Earth revolves around the Sun and that the Moon revolves around the Earth.

This lesson builds on that knowledge by introducing the Solar System, its components, the natural bodies found in space, the Sun and the planets, and the concepts of gravity and weightlessness.

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Chart of the Solar System

2. Globe

3. Pictures of the planets

4. Flash cards

5. Model of the Solar System

6. Textbooks

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. 

REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

CONTENT OF THE LESSON

INTRODUCTION

When you look up at the sky during the day, you see the Sun, and at night, you may see the Moon and many stars. The Earth, the Sun, the Moon, and other planets are all part of a much larger system called the Solar System.

The Solar System is made up of the Sun, eight planets, their moons, and other natural bodies such as asteroids, comets, and meteoroids. The Sun is at the centre of the Solar System, and all the planets move around it.

The force called gravity keeps the planets in their orbits around the Sun. In space, astronauts experience weightlessness, making them float because there is very little gravitational pull.

In this lesson, pupils will learn about the Solar System, its components, the natural bodies found in space, the Sun and the planets, and the concepts of gravity and weightlessness.

LESSON 1 – MEANING OF THE SOLAR SYSTEM

The Solar System is made up of the Sun and all the natural bodies that move around it. The Sun is at the centre of the Solar System.

COMPONENTS OF THE SOLAR SYSTEM

The Solar System consists of the following:

1. The Sun

• The Sun is a star at the centre of the Solar System.

• It gives light and heat to all the planets.

• It is the largest object in the Solar System.

2. The Planets

There are eight planets that move around the Sun. They are:

• Mercury

• Venus

• Earth

• Mars

• Jupiter

• Saturn

• Uranus

• Neptune

3. Natural Satellites (Moons)

• These are bodies that move around the planets.

• The Moon is the Earth’s natural satellite.

4. Asteroids

• Asteroids are small rocky objects that move around the Sun.

• Most asteroids are found between Mars and Jupiter.

5. Comets

• Comets are made of ice, dust, and gases.

• They travel around the Sun and often have a bright tail.

6. Meteoroids

• Meteoroids are small pieces of rock or metal moving through space.

• When they enter the Earth’s atmosphere, they may burn and appear as shooting stars.

IMPORTANCE OF THE SOLAR SYSTEM

1. It provides light and heat through the Sun.

2. It contains the Earth, where living things exist.

3. It helps scientists study space and the universe.

4. It helps us understand the movement of planets and other objects in space.

LESSON 2 – THE SUN AND THE PLANETS

The Sun

The Sun is a star at the centre of the Solar System. It is the largest object in the Solar System and gives light and heat to all the planets.

Importance of the Sun

1. It provides light during the day.

2. It provides heat to keep the Earth warm.

3. It helps plants make food.

4. It supports life on Earth.

5. It keeps the planets moving around it through gravity.

The Planets

Planets are large natural bodies that move around the Sun. They do not produce their own light but receive light from the Sun.

There are eight planets in the Solar System:

1. Mercury – the closest planet to the Sun.

2. Venus – the second planet from the Sun.

3. Earth – the third planet and the only known planet that supports life.

4. Mars – known as the Red Planet.

5. Jupiter – the sixth and the largest planet.

6. Saturn – famous for its beautiful rings.

7. Uranus – the seventh planet from the Sun.

8. Neptune – the eighth and farthest planet from the Sun.

9. Pluto is a dwarf planet in the Solar System. It was once called the ninth planet, but in 2006, scientists reclassified it as a dwarf planet because it does not meet all the requirements to be a full planet.

CHARACTERISTICS OF THE PLANETS

1. They move around the Sun.

2. They are round in shape.

3. They do not produce their own light.

4. They reflect the light of the Sun.

5. They differ in size and distance from the Sun.

LESSON 3 – GRAVITY AND WEIGHTLESSNESS IN SPACE

MEANING OF GRAVITY

Gravity is the force that pulls objects towards the Earth or another large body in space.

Gravity keeps people, animals, buildings, and other objects firmly on the ground. It also keeps the planets moving around the Sun and the Moon moving around the Earth.

Importance of Gravity

1. It keeps us on the ground.

2. It causes objects to fall when dropped.

3. It keeps the Earth and other planets in their orbits around the Sun.

4. It keeps the Moon moving around the Earth.

5. It helps hold the Earth’s atmosphere around the planet.

MEANING OF WEIGHTLESSNESS

Weightlessness is the condition in which a person or object seems to have no weight because there is very little effect of gravity.

Astronauts experience weightlessness when they are in space.

Effects of Weightlessness in Space

1. Astronauts float inside spacecraft.

2. Objects float instead of falling to the ground.

3. Eating and drinking become more difficult.

4. Walking normally is not possible.

5. Special training is needed before travelling into space.

DIFFERENCES BETWEEN GRAVITY AND WEIGHTLESSNESS

1. Gravity pulls objects towards the Earth, while weightlessness makes objects float in space.

2. Gravity keeps us on the ground, while weightlessness causes astronauts to float.

3. With gravity, objects fall when dropped, while in weightlessness, objects float instead of falling.

4. Gravity is strong on the Earth, while weightlessness occurs in space where the effect of gravity is very small.

WEEKLY ASSESSMENT: TEST QUESTIONS AND ANSWERS/ASSIGNMENT

A. Objective Questions (Choose the Correct Answer)

1. The Solar System is made up of the Sun and ______.

A. only the Earth

B. all the natural bodies that move around it

C. only the Moon

D. only the stars

2. Which is the largest object in the Solar System?

A. Earth

B. Jupiter

C. Moon

D. Sun

3. How many planets are in the Solar System?

A. 7

B. 8

C. 9

D. 10

4. Which planet do we live on?

A. Mars

B. Venus

C. Earth

D. Mercury

5. Gravity is the force that ______.

A. makes objects float

B. pulls objects towards the Earth

C. changes the weather

D. produces light

B. Fill in the Blanks

6. The ______ is at the centre of the Solar System.

7. The Earth’s natural satellite is the ______.

8. ______ are small rocky objects found mainly between Mars and Jupiter.

9. Astronauts float in space because of ______.

10. Pluto is a ______ planet.

C. True or False

11. The Sun is a star. ______

12. The Moon produces its own light. ______

13. There are eight planets in the Solar System. ______

14. Gravity keeps us on the ground. ______

15. Weightlessness occurs in space. ______

D. Short Answer Questions

16. What is the Solar System?

17. Mention six natural bodies found in the Solar System.

18. Name the eight planets in the Solar System.

19. What is gravity?

20. State three differences between gravity and weightlessness.

ANSWER GUIDE

1. B

2. D

3. B

4. C

5. B

6. Sun

7. Moon

8. Asteroids

9. Weightlessness

10. Dwarf

11. True

12. False

13. True

14. True

15. True

16. The Solar System is made up of the Sun and all the natural bodies that move around it.

17. Sun, planets, moons, asteroids, comets, meteoroids (any six).

18. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

19. Gravity is the force that pulls objects towards the Earth or another large body in space.

20. Any three:

• Gravity pulls objects towards the Earth, while weightlessness makes objects float.

• Gravity keeps us on the ground, while weightlessness causes astronauts to float.

• Gravity causes objects to fall, while in weightlessness objects float instead of falling.

SUMMARY

In this lesson, pupils learned that the Solar System is made up of the Sun and all the natural bodies that move around it.

They identified the components of the Solar System, which include the Sun, planets, moons (natural satellites), asteroids, comets, and meteoroids. They also learned that these are natural bodies found in space.

Furthermore, pupils learned that the Sun is a star at the centre of the Solar System and the main source of light and heat. They also identified the eight planets in the Solar System: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. They learned that Pluto is now classified as a dwarf planet.

Finally, pupils learned that gravity is the force that pulls objects towards the Earth and keeps the planets in their orbits, while weightlessness is the condition in which people and objects float in space because there is very little effect of gravity. Astronauts experience weightlessness when they are in space.

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. The teacher displays a chart or model of the Solar System showing the Sun and the planets.

Pupils’ Activities: Pupils observe the chart and identify the Sun and the planets.

2. The teacher explains the meaning of the Solar System and identifies its components.

Pupils’ Activities: Pupils define the Solar System and mention its components.

3. The teacher discusses the natural bodies found in the Solar System.

Pupils’ Activities: Pupils identify natural bodies such as the Sun, planets, moons, asteroids, comets, and meteoroids.

4. The teacher introduces the Sun and names the eight planets in order from the Sun.

Pupils’ Activities: Pupils mention the eight planets and identify the Earth as the planet where we live.

5. The teacher explains the importance of the Sun to the Solar System.

Pupils’ Activities: Pupils state the importance of the Sun, such as providing light and heat.

6. The teacher explains the meaning of gravity and demonstrates it by dropping an object.

Pupils’ Activities: Pupils observe the demonstration and explain why the object falls to the ground.

7. The teacher explains the meaning of weightlessness using pictures or videos of astronauts in space.

Pupils’ Activities: Pupils explain why astronauts float in space.

8. The teacher asks oral questions based on the lesson.

Pupils’ Activities: Pupils answer the questions and participate actively.

9. The teacher summarizes the lesson.

Pupils’ Activities: Pupils participate in the summary and write important points in their notebooks.

10. The teacher gives classwork, marks pupils’ responses, and provides corrections where necessary.

Pupils’ Activities: Pupils complete the exercise and correct their mistakes.

CONCLUSION

To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

NEXT LESSON

Colours: Meaning and Types of Colours, Components of Light (Rainbow), Colour Production (Mixing Colours), and Natural Sources of Colour Primary 6 (Basic 6) Second Term Week 6 Basic Science and Technology

LESSON EVALUATION 

Teacher asks pupils,

1. What is the Solar System?

2. Mention six components (natural bodies) of the Solar System.

3. Name the eight planets in the Solar System.

4. What is gravity?

5. What is weightlessness?

6. State three differences between gravity and weightlessness.

7. Why is the Sun important to the Solar System?