Gaisma tests 4.klasei
Flashcard
•
Science
•
4th - 5th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Kas ir gaismas avots?
Back
Gaismas avots ir objekts, kas izstaro gaismu. Gaismas avoti var būt dabiski (piemēram, Saule) vai mākslīgi (piemēram, elektriskā spuldze).
2.
FLASHCARD QUESTION
Front
Kā veidojas ēna?
Back
Ēna veidojas, kad gaismas stars tiek bloķēts ar necaurspīdīgu objektu, radot tumšu vietu aiz objekta.
3.
FLASHCARD QUESTION
Front
Kas ir gaismas laušana?
Back
Gaismas laušana ir parādība, kad gaismas stars maina savu virzienu, pārejot no vienas caurspīdīgas vielas uz citu.
4.
FLASHCARD QUESTION
Front
Kādas ir gaismas atstarošanās īpašības?
Back
Gaisma atspoguļojas no virsmām, un tās leņķis ir vienāds ar leņķi, ar kādu tā krīt uz virsmu.
5.
FLASHCARD QUESTION
Front
Kas ir mākslīgs gaismas avots?
Back
Mākslīgs gaismas avots ir objekts, kas izstaro gaismu, izmantojot cilvēku radītas tehnoloģijas, piemēram, elektrību.
6.
FLASHCARD QUESTION
Front
Kā gaismas stari izplatās?
Back
Gaismas stari izplatās taisnā līnijā, ja tie neietekmē neviens objekts vai viela.
7.
FLASHCARD QUESTION
Front
Kas ir izliektā stikla lēca?
Back
Izliektā stikla lēca ir optiska ierīce, kas var fokusēt gaismas starus, radot attēlus.
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