"The Shadow of the Flagpole" Flagpole and Shadow PPT Courseware 3

Description

"The Shadow of the Flagpole" Flagpole and Shadow PPT Courseware 3

Summary: Conditions for shadow generation:

What are the conditions needed to see clear shadows?

Have light and opaque objects.

To see a clear shadow, you must shine light on an opaque object to see the shadow.

light opaque object shadow

Communicate observations and explore characteristics

The relationship between changes in the position of the sun and shadows throughout the day

Summary: Characteristics and rules of shadow changes of objects under sunlight:

In the morning, the shadow points to the west;

At noon, the shadow points due north;

In the evening, the shadow points eastward.

During the day, the shadow is shortest at noon and longer in the morning and evening.

What else did you discover?

Any opaque object under the sun has a shadow, and the shadow is on the side of the object facing away from the sun; at the same moment, the shadow direction of any upright object is the same. The shadow of an object under sunlight changes in direction and length throughout the day. In the morning, the shadow points to the west; at noon, the shadow points to the north; in the evening, the shadow points to the east. During the day, the shadow is shortest at noon and longer in the morning and evening.

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For more information about the "Flagpole and Shadow Flagpole's Shadow" PPT courseware, please click the Flagpole and Shadow ppt Flagpole's Shadow ppt tag.

"The Shadow of the Flagpole" Flagpole and Shadow PPT Courseware 2:

"Shadow of the Flagpole" Flagpole and Shadow PPT Courseware 2 Observe Shadow Do not look directly at the sun with your eyes. Choose the same time to measure. Choose different times to measure. What enlightenment does the characteristics of shadows under sunlight have on our understanding of the propagation of light? What are its applications in daily life?

"Shadow of the Flagpole" Flagpole and shadow PPT courseware:

"Shadow of the Flagpole" PPT courseware on flagpoles and shadows. What enlightenment does the characteristics of shadows under sunlight have on our understanding of the propagation of light? What are the applications in daily life? What are the conditions needed to see clear shadows? Have light and opaque objects. To see...

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Update Time: 2024-11-19

This template belongs to science courseware E-education edition fourth grade science volume 1 industry PPT template

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