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ID number:921690
 
Author:
Evaluation:
Published: 01.03.2023.
Language: Latvian
Level: Elementary school
Literature: 1 units
References: Not used
Time period viewed: 2021 - 2025 years
Extract

Kā rodas ēna? Lai to saprastu, ir jānoskaidro, kā gaisma iet cauri priekšmetiem.
Dažiem ķermeņiem gaisma iet cauri. Tie ir caurspīdīgi. Caurspīdīgs ir stikls, dažas plastmasas lietas, gaiss un ūdens.
Citi ķermeņi laiž cauri tikai daļu gaismas. Tie ir puscaurspīdīgi. Puscaur­spīdīgas ir plānas lietas - papīrs, plāns audums, koku lapas. Vēl citi ķermeņi nemaz nelaiž cauri gaismu. …

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