Raws li ib tug menyuam yaus, Kuv nyiam cov khoom siv kho qhov muag zoo nkauj - kaleidoscope, uas Scottish physicist David Brewster tau tsim ua xyoo 1817 hauv Askiv.
Koj yuav saib mus rau hauv lub raj xa hluav taws xob thiab pom cov xim zoo nkauj mosaic duab. Nws yog tsim nyog tig me ntsis - thiab cov qauv tshiab tej yam yees siv ntawm kev ua kom zoo nkauj.
Koj tuaj yeem ua kaleidoscope koj tus kheej.
Nws yog qhov tsim nyog
- - lub raj los ntawm cov zaub mov cellophane (ntev - 23 cm thiab taub - 5.3 cm);
- - 3 pob tshab yas txiav tawm ntawm cov yas hwj;
- - muab tub lim rau kaleidoscope (hlaws, hlaws dai, cov ntawv ci ntawm cov ntawv ci);
- - ntawv ci nrog ntawv cardboard;
- - perforated duab los qhia thiab daim ntawv xim (rau kho kom zoo nkauj);
- - dub ntawv (los txiav sab nraud);
- - kua nplaum lo;
- - txiab;
- - daim kab xev scotch;
Cov Lus Qhia
Kauj ruam 1
Ua ntej, koj yuav tsum ua kom muaj cov voos plaub los ntawm cov ntawv ci ntawm cov ntawv ci 4, 3 cm dav thiab 21 cm ntev nrog daim iav sab hauv. Ceev cov hlua txuas rau hauv daim duab peb sab sib npaug (ntawm kaum ntawm 60 ° C) siv cov ntaub nplaum.
Txiav 2 discs nrog txoj kab uas hla ntawm 5.3 cm los ntawm yas pob tshab. Tso tawm ib qho disk pob tshab, thiab daim nplaum dawb parchment ntawm lwm qhov.
Kauj ruam 2
Tso cov pob tshab rau ntawm lub prism sab hauv lub raj. Ncuav cov hlaws dai, hlaws dai rau nws.
Kauj ruam 3
Kaw lub raj nrog lub matte disc, ruaj ntseg cov npoo nrog pob tshab kab xev lossis kua nplaum.
Tig lub kaleidoscope dhau, kaw sab no nrog lub disc nrog "qhov muag", thiab muab cov ntawv dub tso rau saum.
Kho kom zoo nkauj kaleidoscope nrog cov kab txaij dawb lias nrog corrugated cardboard qauv.
