HAY DUNG Vil SUf DUNG THI NGHIEM TUUNG TAG TREN MAN HlNH NGHIEN CUU CHUYEN OONG TOON OEO VA TOON O I E N D 0 1 OtU PGS TS PHAM X U A N Q U ^ '''' ThS NGUYEN THI THU H^*'''' 1 Viee nghien edu ehuye''''n ddng tr[.]
Trang 1HAY DUNG Vil SUf DUNG THI NGHIEM TUUNG TAG TREN MAN HlNH NGHIEN CUU CHUYEN OONG TOON OEO VA TOON OIEN D 0 1 OtU
PGS TS PHAM X U A N Q U ^ ' - ThS NGUYEN THI THU H^*'
1 Viee nghien edu ehuye'n ddng trdn deu va trdn
bien ddi deu tren nhung thi nghiem (TN) that lgi cac
tardng THPT dexac djnh tog dp vat lai ldng Ihdi diem
khac nhau (tddd linh loan cae dgi luang khae) la khdng
kha thi vi rat khd che tgo them bp phgn mdi hay s u
dung nhung bd phan hien cd trong bp thiet bj day hpe
Vat li de dap ung yeu cau TN ve npi dung chuyen
dpng trdn, Vi vay, chung ldi da nghien cuu xay dung
va su dung Ihi nghidm luong tac tren man hinh
(TNTTTMH) de giai quyet van de nay,
2 Xay dung va s u d u n g TNTTTMH de nghien
cuu ve chuyen dpng trdn deu va trdn bien ddl deu
Khai Ihac uu diem cua TNTTTMH la cd the de
dang va nhanh chdng xac djnh toa dp eua vat theo
Ihdigiantrong chuyen dpng bat ki, Chung tdi danghien
cdu TNTTTMH tren ca sd lap trinh Flash Vdi
TNTTTNH nay, ngudi hpc cd the:
• Quan sal duac vat chuyen dpng Iron, b^ng nut
Play Video ve qua trinh chuyen dpng that eua vat
theo Ihdi gian thuc {xem hinh 1)
• Trinh bay so lieu S ,t va cp,t dudi dang bang bieu {xem hinh 3):
Hinh 3 Cac so lieu S t va rp, t duac irinh bay dudi dang
bang bieu
• Trinh bay sd lieu S,t va (p,l dudi dang dd thj (DT) (xem hinh 4a; 4b):
Hinh 4a Cacsdli$u va DT S.tva<p,lcua chuyen dgng
tron deu
Hinh 1 Ouan sat vat ehuye'n dong tron
• Thu thap cae thong tin ve ddi tuang nghien cdu
{xem hinh 2): + Xac djnh log do cua vgl theo thdi
gian; + Xac djnh dang quy dao chuyen dpng, ban
kinh quy dao cua chuyen dpng; + Thu thap sd lieu
ve goc quel cpva cung S ma vat chuyen dpng dupc
theo thdi gian I
Hinh 4b Cac sdli$u vaOTS.tva ip,lci}a chuyen dong fiw?
bmh dot di'u
• Phan tich, xu li so lieu theo cac muc dich khac
nhau: tinh toan va ve DT (v,t), (to,t), (a.t), Sau do kiem tra gia thuyet ve dang ehuyen dpng eua vgt,
b l n g each dungOT ham ehuan de fit vdlOT tfiuc viS
chuyen ddng tnan deu {xem hinh 5a; 5b; 5c; 5dj va vdi chuyen dpng trdn bien dd'i deu (xem hinh 6a;6b; 6c; 6d: 6e; 6g):
+ Vdi chuyen dpng tnin deu + V(S chuyen dpng trdn bien dd'i deu (trdn nhanh
d i n deu)
Hinh 2 Thong tin vedoi tuang nghien cdu
I Tgp chl Gido due so 315
* Tnieng Bpi hQc stf ph^ro Ha Npi
** TnTdBg Dai IIQC sir pham - DH Thai Nguyen
Trang 2Hinh 5a DT van tdc dai theo thdi gian (v.t)
Hinh 5b DT van toe goc thai gian (a,!) Hinh 6b DTvan toe goc tha gian (co.l)
LL,
L L
L L
<.^ZS>
I HinhSc DTgia toe tiep tuyen Iheo thdigian (a^J)
Hinh 6c DT gia tdc tiep tuyen theo thaigiai
Hinh 6(1 DTgia tdc phap tuyen theo thdi gia
i(a,t)
'" (3„.t)
HhhSd BTgIa
(ki
1-812013)-^ 1-812013)-^ ' i r NhiIV9y,V(}isuh6tracua TNTTTMH,ngi/dihoc
I " 'sa»^ cothedifavaonhifngDTvedLrocdedi/aranhOng
du doan khoa hoc va dung BT ham chuan fit vaiBT
tuyin Iheo Ihctgian (a,l) (f,,,^ j j - ^^^g^ ,,.3 ^^^ j ^ j ^ ^ „ jgjj ,f,^y|-, ^^^,3 ,,„(,)
Tap chi Gido due so 315 41
Trang 31 Phpm Xuan Quif C"ng d y n g c6ng nghfi thAng tin trong td chih: h o a t d $ n g n h ^ n thiic v^t h' lich c i ^ , tu
c h a v4 sdng t^o NXB D^i hgc suphgm, H 2007
2 Nguyfin DITC Thflm (chfl bien) - Nguyfin Ngpc Hung
- Ph^m Xuan Qutf P h w m g p h d p daiy hpc V$t If it
t r u i n g phd th6ng NXB Dgi hgc suphgm, H 2004
SUMMARY
Interaction experiment on the computer screen
is type of experiment which allows students to Inter-ing the teachInter-ing process, teachers can coordinate the Interaction experiment on the computer screen with traditional experiments to meet the leamingob-Jectlves In addition, thanks to the interaction ex-periment on the computer screen, either students can do their lessons' review or consolidation at home
or they can examine and assess their knowledge themselves Students can also prepare the lessons before the real experiment, review the lessons be-fore tests and the time spent on practicing in the lab will also be reduced And one of the Interaction experiment on the computer screen that we have developed and used in teaching physics Is the Inter-lar motion
Hinh 6g DTgia ldc goc theo thdigian (y I)
da de xuat hay kiem lra cac he qua rut ra Id cae gia
thuyet khoa hpc Cae sdiieu TN ma ngudi hpe thu
thap va ketqua xu II sdiieu se duac xuat ra man hinh
d e H S v a G V cdthe kiem lra, danh gia
3 TNTTTMH duae ung dung nh^m h d t r a G V
va HS trong quatrinh day va hpc kien thuc ve ehuyen
dpng Iron deu (chuang trinh Vai li 10) va chuyen
dpng Iron bien ddl deu (ehuong trinh Vgt I110 cho
tnrdng ehuyen, Idp chpn) theo phuang phap nghien
cdu, giai quyet van de Tuy vao muc dich su'dyng
TN khac nhau (ed the la TN nghien cijfu khao sat
hien tutjnghay TN kiem chdng), QV c6\he sddung
TNTTTM H tren phdi hpp vdi cae TN dgy hpc Iruyen
thdng (neu cd) de dap dng dupe mue lieu day hpe
da de ra, Ngoai ra, vdi TNTTTMH, hpc sinh cd the
s d d u n g d e d n tap, cung ed kien thdc d n h a sau khi
da hpe tren Idp; tu kiem kiem tra, danh gia kien thdc;
chuan bj bai trudc khi tht/c hanh TN that, tu on tgp
trudc khi thi va giam bdt thdi gian thuc hanh tai
phdng TN Q
42 Tqp chi Gido due so 315
Quy trinh xay d p g bai hoc
(Tiep theo trang 60}
hoc nhanh chdng ma trong pham vi mpt bai hpe, tiet hpe khdng the ehuyen tai het duoe.Q
Tki li£u t h a m k h a o
1 Nguyfin Thanh D?t Sinh h o c 12 NXB CiHo due
Vi^l Nam, H.20\0
2 Nguyfin Phuc Chinh - Ph^m Thj Hflng Tu "Sii dyng
phSn mfim CmapTool lap b&n d6 khai ni$m" Tgp chi
Gido dftc, sd 218, 712009
3 J D Novak - A j Canxas The theory Underlying
Concept Maps a n d How to Construct Them Florida
Institute for Human and Machine Cognition 2008
SUMMARY
The process of compile an online lesson has to follows stages in which each stage should utilize the Interaction between tfie learners and the computers, which creates good condition for teachers to change their teaching method of active ^ce to face teaching
At tbe same time, it helps students study themselves and gains their knowledge through online lesson Though which it helps develop critical thinking ^dll self - study skill for life - time study
-(kil-8/2013)