"Light and Vision" colorful light PPT courseware

Category	Format	Size
Hunan Education Edition Third Grade Science Volume 2	pptx	6 MB

"Light and Vision" colorful light PPT courseware

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Upload Time: 2024-11-10

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"Light and Vision" colorful light PPT courseware

How can the eyes see the objects around them clearly?

1. The object must have light (the object emits light or reflects light);

2. The light emitted from the object must enter the eyeballs of normal people.

We can see it only when the light emitted or reflected by an object hits our eyes.

light and vision

What is the relationship between human vision and the intensity of light?

protect eyes

Little eyes are very important and everyone should protect them.

Eat more vegetables, don’t be picky about food, and keep your writing posture correct.

Keep your back straight and your head high, and remember every punch and foot.

Don’t read while walking or riding in the car, and don’t read while lying on the bed.

Turn on the lights in dark places and do not read in the sun.

The time you use your eyes should be controlled and your eyes should be given a good rest.

It is important to protect your eyes and don’t be lazy with eye exercises.

Everyone should protect their eyes and avoid myopia.

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For more information about the "Colorful Light Light and Vision" PPT courseware, please click the Colorful Light ppt Light and Vision ppt tag.

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Update Time: 2024-11-10

This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 2 industry PPT template

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Colorful light ppt Light and vision ppt

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"Light and Vision" colorful light PPT courseware