
A fantastic way to consolidate learning at the end of a module on light (reflection, refraction, lenses, the eye, the pinhole camera, dispersion and eclipses) and also to promote team – building. It also makes an enjoyable but challenging activity for end of year and back to school. This is a 61 question, animated, interactive team quiz with built – in scoreboard for up to seven teams. All questions are pictorial and multiple choice.
Prior Knowledge Required
- Transparent, translucent and opaque materials
- Identifying the incident and reflected rays, the angles of incidence and reflection, the normal and the point of incidence
- i = r
- 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.
- Periscope
- Specular and diffuse images
- The more dense the medium the slower the speed of light.
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Refraction of light at boundaries
- Light hitting a boundary at 900 is not refracted.
- Why lightning is seen before thunder is heard when a cloud discharges.
- Refraction in a concave and convex lens.
- Convex lenses are used in magnifying glasses, telescopes and spectacles to correct long sight.
- Concave lenses are used in lasers, flashlights, peepholes and spectacles to correct short sight.
- Identify the retina; ciliary muscle, iris, pupil, lens, suspensory ligament; optic nerve.
- How the iris controls the size of the pupil and therefore the amount of light which enters the eye.
- Pinhole camera
- How lenses are used to correct long and short sight.
- Dispersion and mixing of colored lights
- Partial and total lunar and solar eclipses
Team Rounds
- Each team will attempt their own three questions, the answer to each of which must be decided by the whole team. If a wrong answer is given, the next question goes to the first hand up and, if correct, that person’s team get to try the rest of the round.
- Each team will also have to solve the clues to identify light fact or process.
- There are five lightning rounds in which team members consult to try to identify a slowly revealed light fact or process…
- Memory Test – questions on the order and detail of eleven objects which cross the screen then disappear.
Individual Rounds
- Two unscramble and identify rounds which consists of a picture which has been cut up and rearranged.
- Memory Test – give coordinates of cameras which have moved around a grid
- Finally, the fifteen - question individual bonus round. This round allows flexibility in terms of the time the quiz takes as not all the questions have to be attempted. The quiz therefore can last between 40 and 50 minutes.
Full instructions are given on the PowerPoint itself
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