51ºÚÁÏ

A comprehensive and fully resourced lesson on refraction for middle school plus two enjoyable yet challenging games on reflection and refraction – dominoes in which students can either match or answer the question and a 42 question find the pair game.

The teaching pack contains thirteen resources and it is intended that the teacher uses them to build their own unique lesson to take account of student ability and time available. Literacy, oracy, self-assessment and peer assessment are all built in to the resources. These features are clearly marked on the comprehensive one-page flow chart lesson plan which shows where the logical choices between resources can be made. There are three differentiated and engaging homeworks which can also be used as classwork if so desired.

The game is closely related to the topic content and reinforces learning.

What’s Covered

Lesson

• The more dense the medium the slower the speed of light.
• When light travels from a less dense medium to a more dense medium it is bent towards the normal.
• When light travels from a more dense medium to a less dense medium it is bent away from the normal.
• Light hitting a boundary at 900 is not refracted.
• Light is not refracted at a curved boundary.
• Complete ray diagrams showing refraction.
• Design an experiment and results table to investigate refraction through a semi - circular glass block
• Why lightning is seen before thunder is heard when a cloud discharges.
• Real and apparent depth

**Games **- The above plus:

• Transparent, translucent and opaque materials
• Luminous and non-luminous objects
• Labelling the incident and reflected rays, the angles of incidence and reflection, the normal and the point of incidence
• Virtual experiment to prove i = r
• Ray diagram showing how the eye sees an image in a plane mirror
• The image formed in a plane mirror is upright, virtual (appears to be formed behind the mirror) laterally inverted, the same size as the object and as far behind the mirror as the object is in front.
• Ray diagram showing how the eye sees an image in a periscope
• Specular and diffuse reflection

What’s Included
Lesson

• Animated PowerPoint for teaching with exit ticket quiz
• Answer/mark scheme PowerPoint
• Flip it (pupil writes questions to given answers)
• Anticipation Guides (combined starter and plenary)
• Foldable
• Cut and stick activity.
• Worksheet to support the PowerPoint
• Fact sheet
• Homework plus answers
• Fact share worksheet
• Pupil progress self-assessment checklist
• Exit Ticket
• Suggested lesson plan showing choices possible between resources

Games

• 100 dominos
• Animated PowerPoint explaining the rules and how to play.
• 42 question and answer cards
• Teacher’s answer sheet.
• Instruction sheet

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