Shadows

Learn how the sun’s position affects shadows during the day. Find out how to tell time using knowledge of shadows location. Discover how people in Ancient Egypt and Rome could tell the time by the suns shadow. Learn how to make sundials to tell time. There is a link to eThemes resource on measuring shadows. Includes lesson plans, in class projects and activities, photographs, and interactive and animated images.

教育标准

• 2,
• 3,
• 4

申请州标准

• BBC: Lesson Plan: Light and Shadows

  Teach students about light and shadows using this lesson plan which includes online activities, a quiz, worksheets, homework assignments, and more.

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• Lesson Plan: Sunlight and Shadows

  This lesson plan includes all the needed files for the unit including: activity sheets, data collection sheets, evaluations, movies/videos, audio files, and tests.

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• Molecular Expressions: Science, Optics, and You: Measuring with Shadows

  Here is a fun way to learn how shadows change according to the sun's position in the sky. Click and drag the slider to view how T-Rex's shadow changes its position and length.

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• Telling Time in Ancient Rome

  Learn how Ancient Romans could tell the time using sundials. Includes a picture of a sundial.

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• Human Sundials

  Find out what a human sundial is. Click on the "Go to the Picture Gallery for Ideas" link to view photographs of human sundials.

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• Eye on the Sky: Lesson Plan: Sundials: Observing and Using Shadows

  Here is a lesson plan for 1st through 3rd grade students where kids can learn how to assemble a sundial, tell time using shadows, and understand why shadows change positions. Find out about materials needed, students' prerequisites, teachers' preparation, and find worksheets on the blue section in the left column. The lesson is illustrated with photographs.

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• Eye on the Sky: Lesson Plan: What Makes Shadows?

  Here is another lesson plan for 1st through 3rd grade students along with in-class activities that involve noticing movement of shadows, sun position, and drawing shadows. Includes a worksheet and examples of completed activity.

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• Eye on the Sky, Feet on the Ground: Chapter One

  Learn how light and opaque objects create shadows. Find out how and in what direction shadows change during the day, and what the suns path is. Includes activities, discussion questions, analysis, and schematic drawings.

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• Shadow Sticks and the Sun

  Here is an activity where kids can use a stick and a compass. Students can learn about local time, latitude, and changes in shadows throughout a day and a year. Click on photographs to enlarge them.

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• Making a Sun Clock

  Find out why a compass is needed for building an accurate sun clock. Learn about magnetic and geographic north poles, solar and standard time, and find out how they effect finding exact time.

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• Build a Sundial

  Learn how to build a sundial. Find out what binary numbers are and view photographs of the Hila Binary Sundial.

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• Projecting Shadows

  Use these interactive lights to produce objects shadows on the walls. Can you spot what is wrong with shadows?

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• eThemes Resource: Math: Measuring Shadows

  These sites explain why shadows change their length depending on the time of day and the season. Find out how to determine the height of an object using a shadow stick and ratios. Includes an interactive activity that lets you change the location of the sun and see how that changes the shadow length. There are several instructions for conducting experiments with shadows.

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创建日期: 2005年3月15日 12:41 | 更新日期: 2012年12月02日 16:29