shortcomings, People seldom use sundials nowadays because they have ___, noon, At___,the sun is right above us., daytime, We can see the sun in the sky during ____., China, In ancient ___, people use that the sundial to know the time, more, There are usually __ pedestrians in the streets during daytime than at night, rod, There is a ___ in the centre of the sundial, Tai Po, There is a Sundial at ____ Old Market Playground, right above, When the sun is____ us, an object casts a small shadow, moon, At night time, we can see the ___ in the sky, position, (make sundial) We have to mark the ____ on the plate every 15 minutes, cast on a certain marketing, People knew what time is walk when the shadow of rod____, east, every morning the Sun rises in the____, direction, The ____ of a shadow changes when the position of the sun changes, outdoors, Sundial have to be placed ____. It is inconvenience for people to know the time, blocks, When an object ____ the sunlight, it casts a shadow , moves closer, We can sometime also see the moon during daytime. This happens when the moon ___ to the sun., naked, Sunlight is strong. We should not look at the sun with____eyes, illumination, Lamplight is for___, public, Certain services are essential for the____, mechanics, ____ overnight to repair the railways, Lighthouses, ____ give directions to ships selling in the harbour, night, Street lights are important for drivers to drive safety at____, pilots, ____ rely on runway lightings to land their planes safely, spring, mulch of the plant blossom in____, summer, we sweat frequently in____, Autumn, leaves turn yellow or red in____, winter, In Hong Kong, fog generally of during____, time, there are shortcomings using the sundial to tell the ____, no sunlight, this is hard to tell the time when there is____ during cloudy or rainy days.

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