Download - Lathurshan science (தமிழ்) Gr7
kl;/thior;Nrid ,e;Jf;fy;Y}up
Mf;fk;
Nf. yJu;~d;.juk; : 7H
myF :06. rf;jp Ntiy kw;Wk; tpiria tpidj;jpwDld; gad;gLj;Jjy;.
ghlk; :tpQ;Qhdk;
6.1 tpiria gaDWjp kpf;f tifapy; gad;gLj;Jjy;.
tpir vd;gJ js;SjYk; ,Oj;jYk; MFk;.tpiria gad;gLj;Jk; re;ju;g;gq;fs;.• fjit jpwj;jy; / %Ljy;.• fl;biy mirj;jy;.• thfdj;ij ghij Xuj;jpy; epWj;Jjy;.• [d;diy jpwj;jy; / %Ljy;.• nghUnshd;iw mirj;jy;.• fjpiuia NkirapDs;Ns js;Sjy; ,Sj;jy;.
K. Lathurshan Grade 7
tpiria msf;Fk; myF.
tpiria msg;gjw;fhd ru;tNjr myF epåw;wd; MFk;.
,J N vDk; Mq;fpy vOj;jhy; Fwpf;fg;gLk;.
tpiria mstplg; gad;gLk; juhR epåw;wd; juhR vdg;gLk;.
,j;juhR RUs;tpy;ypdhy; Mf;fg;gl;Ls;sJ.
K. Lathurshan Grade 7
tpiria gpuNahfpf;Fk;NghJ ftdj;jpw; nfhs;sNtz;ba fhuzpfs;.
tpirapd; gUkd;nghUs; xd;W ,aq;Ftjw;F NghjpasT gUkd;
cs;s tpir Njit. NghjpasT tpir ,y;yhjNghJ ,af;fk; Vw;glhJ
mjhtJ mq;F Ntiy nra;ag;gltpy;iy. Nkir kPjpUf;Fk; 60kg jpzpTs;s
nghUspd; ,af;fk; gw;wpr; rpe;jpj;Jg;ghUq;fs;.
K. Lathurshan Grade 7
tpirapd; jpirntt;NtW jpirfspy; vk;khy; tpiria gpuNahfpf;f
KbAk;. MapDk; ,af;fk; eilngWk; jpirapy; tpiria
gpuNahfpj;jhy; kpfg; gaDs;sjhFk;. xU nghUs; kPJ ntt;NtW jpirfspy; tpiria
gpuNahfpj;J Vw;gLk; tpisTfis mwpe;J nfhs;Nthk;.
njd;fpof;F
K. Lathurshan Grade 7
tpirapd; gpuNahfg;Gs;sptpirf;F mJ njhspw;gLk; gpuNahfg;Gs;sp cs;sJ.xU nghspd; kPJ xNuasthd tpiria ntt;NtW
gpuNahfg;Gs;spfspy; gpuNahfpj;J Ma;T nra;Nthk;.
A,B,C vDk; Gs;spfspy; 100N tpiria gpuNahfpj;J eilngWtij mtjhdpg;Nghk;.
K. Lathurshan Grade 7
gytpj tpirfSk; mtw;wpd; gpuNahfq;fSk;fw;wypd; nghUl;L nghUl;fSf;fpilapy;
cUthFk; tpirfis ,U njhFjpfshfg; gpupf;fyhk;.
mit njhLif tpir, njhLifapy; [njhiyT] tpir vd;gdthFk;.
K. Lathurshan Grade 7
njhLif tpir
,uz;L nghUl;fs; ngsjPf epiyapy; xd;Nwhnlhd;W njhLifapYs;sNghJ xd;wpypUe;J xd;iw tpyf;f Kaw;rf;Fk; tpirfs; njhLif tpirfs;[Contact force] vdg;gLk;.
,tw;Wf;F cjhuzq;fshf fzj;jhf;F tpir, cuha;T tpir, ,O tpir, mKf;f tpir, [cijg;G] Mfpatw;iw $wyhk;.
K. Lathurshan Grade 7
fzj;jhf;F tpir
xU nghUs; kPJ ,d;ndhU nghUspdhy; kpff;Fwfpa Neuj;jpy; gpuNahfpf;Fk; tpir fzj;jhf;F tpirahFk;
fzj;jhf;F tpirapdhy; vkf;F gaDk; cs;sJ jPq;Fk; cs;sJ.
K. Lathurshan Grade 7
fzj;jhf;F tpir gad;gLk; re;ju;g;ge;fs;re;ju;g;gq;fs;
gad;gLj;jpa fzj;jhf;F tpir
gad;ghL
fUq;fy; ciljy; Rj;jpayhy; fy;iy ciljy; fy; cile;J Nghjy;
kz;iz mOj;Jjy;
Gtp kPJ mjpu;it Vw;gLj;Jjy;
kz; gilahjy;
K. Lathurshan Grade 7
cuha;T tpir Vw;gLk; re;ju;g;ge;fs;re;ju;g;gq;fs; cuha;T
mjpfupj;jy;/Fiwjy;
ghijfspy; nry;Yk; thfdq;fs;
rpy;ypdJk; ghijapdJk; cuha;T mjpfupf;fg;gl Ntz;Lk;
nghwp xd;wpd; gFjpfs; rPuhf ,aq;Ftjw;F
gFjpfSf;fpilNa cuha;T Fiwf;fg;gl Ntz;Lk;
K. Lathurshan Grade 7
Nkw;gug;gpYs;s nghUs;kPJ mk;Nkw;gug;Gf;F rkhe;jukhf tpir xd;WgpuNahfpf;fg;gLk; NghJ Nkw;gug;ghdJ vjpu;j;jpirapy; tpir xd;iw cUthf;Ffpd;wJ. ,e;j vjpu;tpir cuha;T tpir vdg;gLk;.
nghUs; xd;iw mirf;f Ntz;Lnkdpy; gpuNahfpj;j tpirahdJ cuha;T tpirapYk; $bajhf ,Uf;f Ntz;Lk;.
,af;fnghd;iw Muk;gpg;gjd; nghUl;L gpuNahfpf;fg;gLk; tpir,cuha;T tpirf;Fr; rkkhdjhfTk; vjpuhdjhfTk; ,Uf;f Ntz;Lk;.
K. Lathurshan Grade 7
gytpj re;ju;g;gq;fspy; cuha;T tpiria mjpfupj;jy; Fiwj;jy; Mfpatw;wpd; mtrpaj;ij mwpe;J nfhz;Bu;fs;.
cuha;T tpiria mjpfupf;Fk; nghUl;L my;yJ Fiwf;Fk; tifapy; gy rhjdq;fs; mike;Js;sd.
cuha;it Fiwf;Fk; tifapy; fuk; gyifapy; gTlu; ,Ljy; Fz;Lg; nghjpfis ,Ljy; fpwP]; ghtpj;jy; cuha;T ePf;fp vz;izahy; Nkw;gug;ig xg;gkhf;Fjy; Nghd;w nraw;ghLfs; mike;Js;sd.
K. Lathurshan Grade 7
cuha;T tpiria Fiwg;gitAk; $l;LgitAk;
$l;Lgit
Fiwg;git
K. Lathurshan Grade 7
,Oit tpirxU ,wg;gu; gl;bia my;yJ ,ioia my;yJ
Nfhiy ehk; ,Of;Fk; NghJ mt;tpirf;F vjpuhf Xu; vjpu; tpir cUthf;fg;Lfpd;wJ.
cUthf;fg;gl;l ,t;tpirapdhy; ,g;nghUl;fs; kPz;Lk; gioa epiyf;Fr; nry;y KaYk; ,t;thW ,ioapy; my;yJ ,wg;gu; gl;bapy; my;yJ Rusp tpy;ypy; cuthf;fg;gl;l vjpu; tpir ,Oit [Tension] tpir vdg;gLk;.
K. Lathurshan Grade 7
cijg;GxU nghUs; kPJ ,d;ndhU nghUs;
tpiria gpuNghfpf;Fk; NghJ ,uz;lhtJ nghUspdhy; KjyhtJ nghUs; kPJ vjpu;j;jpirapy; tpir xd;W nraw;gLk;. ,t;tpir cijg;G tpir vdg;gLk;.
K. Lathurshan Grade 7
ed;wp
K. Lathurshan Grade 7