Lesson Notes By Weeks and Term - Primary 6

The universe

Week 6

Subject: Basic science

Topic: The universe

Duration: 40 mins

Reference: Easy way to Basic science for primary schools book 6.

Previous knowledge: Pupils are familiar with weather.

Objective: At the end of the lesson pupils should be able know and talk about the universe.


A universe is a vast expanse of space where our earth is just a tiny speck.

The galaxy: a large group of heavenly bodies, like stars, planets, asteroids etc from a galaxy. The earth is a part of the galaxy called the Milky way.

The stars: stars are celestial bodies in the sky that are usually far from each other. They are very hot and emit light on their own.

Planets: these are solid celestial bodies that normally move around a star.

The earth and the solar system

The earth is a planet that moves around the sun. There are nine planets that move around the sun. The sun and these nine planets together from the solar system. These planets are mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. They are arranged in this order from the sun. The closer the planets are to the sun, the hotter they will be. The further the planets are from the sun, the colder they will be. Thus mercury is the hottest and Pluto is the coldest of all the planets. Earth is neither too cold nor too hot. Thus, life can exist here.


The earth pulls all objects, big and small, near it with a force. This is called gravity. As one goes higher is the sky, the force of gravity decreases and finally disappears. The force of gravity is a measure of the weight of an object.


Step I: Teacher revises previous lesson with pupils

Step II: Teacher introduces and explain new topic to pupils

Step III: Pupils are allowed to ask questions

Step IV: Teacher writes note on the boards for pupils


  1. How many planets do we have?
  2. What is a universe?
  3. What are stars?
  4. What do you understand by gravity?

Conclusion: Teacher moves round for inspection, marking and correction of notes where necessary.

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