Term 4 Topic 2 Rotation (Earth)

Press a pencil through an orange and show the learners how the Earth moves by turning the pencil.

• Greet the learners.
• Ask them questions about day and night:
• From which direction does the Sun rise?
• What happens in the evening?
• How many hours are there in one day? [Calculate the daily hours spent at school; hours at school per week; etc.].
• Test their direction knowledge [north; east; west; south].

• Group work. [encourage learners to think, reason and communicate]
• Group 1: Discuss why it seems that the houses and trees are moving while you are riding in a train/ bus/ taxi/ car.
• Group 2: Discuss why shadows appear on the ground.
• Group 3: Identify and mark the spot from which the Sun shines through the windows of the class and state the direction.
• Group 4: Four learners in the group stands and each one look in a different direction. They must establish who is looking to the east; west; north and south.
• Each group reports back.

• Thank the learners for their good participation.
• Show Video Clip 1: Earth’s orbit song. [4:33 min.].
• Present an overview of the Earth’s movement by using Presentation 1: Movements of the Earth and Planets – Rotation and Revolution [part 1].

• Complete WORKSHEET A.

• Teacher to use WORKSHEET A: Memorandum to mark the learners’ work.

• Show Video Clip 2: How the Earth Orbits the Sun [4:05 min.].

• This will help the learners to understand that the Sun is stationery and that the Earth is actually turning around the Sun.

• A short discussion to explain how the Earth moves around the Sun.
• Practical group demonstrations can follow. [Learners can improvise].
• A small incentive can be given to the best interpretation of the Earth’s movement around the Sun.

• Show Video Link 3: Earth’s rotation and Revolution. [1:23 min.].

• Complete WORKSHEET B

• Teacher to use WORKSHEET B: Memorandum to mark the learners’ work.

• Tell the learners that the following 3 -5 videos will help them to answer Quiz 1.
• Teacher selects videos.
• Show Video Link 4: What Makes Day and Night [On the beat of one of One Direction’s songs] [2:16 min].
• Show Video Link 5: Why do we have seasons [3:39 min.].
• Show Video Link 6: The axis of rotation [2:54 min.].

• Show Video Link 7: What causes the seasons [2:16 min.].
• Show Video Link 8: Four seasons [2:00 min.].