Manfaat media pembelajaran Media pembelajaran a. Pengertian media pembelajaran

4 2 t e k n o l o g i me k a n i k u n t u k ma t e r i p r o s e s b u b u t t e r d i r i d a r i t e o r i d a n p r a k t i k , s e h i n g g a p e n y a j i a n n y a me me r l u k a n p e n j e l a s a n ma t e r i y a n g r i n g k a s d a n j e l a s d i s e r t a i d e n g a n g a mb a r . S e l a i n i t u , me d i a b e r b a s i s c e t a k a n b e r s i f a t p r a k t i s , l u we s , d a n b e r t a h a n d a l a m j a n g k a y a n g c u k u p l a ma . A l a s a n i n i y a n g me mp e r k u a t p e n e l i t i me n g a mb i l me d i a b e r b a s i s c e t a k a n b e r u p a b u k u s e b a g a i a l a t b a n t u s i s wa u n t u k me mp e r mu d a h p r o s e s p e mb e l a j a r a n p a d a ma t a p e l a j a r a n t e k n o l o g i me k a n i k p a d a ma t e r i p r o s e s b u b u t turning .

e. Buku Saku

S a l a h s a t u b a h a n y a n g d a p a t d i g u n a k a n s e b a g a i s u mb e r b e l a j a r a d a l a h b u k u .B u k ua d a l a hl e mb a rk e r t a sy a n gb e r j i l i d ,b e r i s i t u l i s a na t a u k o s o n g .Da l a m P e r a t u r a n Me n t e r iP e n d i d i k a n No mo r 2 t a h u n 2008 p a s a l6a y a t 2y a n gme n y a t a k a nb a h wa“ s e l a i nb u k ut e k s p e l a j a r a n , p e n d i d i k d a p a t me n g g u n a k a n b u k up a n d u a n p e n d i d i k , b u k u p e n g a y a a n , d a n b u k u r e f e r e n s id a l a m p r o s e s p e mb e l a j a r a n ” . Ur a i a n i n id i p e r k u a t o l e ha y a t 3y a n g me n y a t a k a n“ Un t u k me n a mb a h p e n g e t a h u a n d a n wa wa s a n p e s e r t a d i d i k , p e n d i d i k d a p a t me n g a n j u r k a n p e s e r t a d i d i k u n t u k me mb a c a b u k u p e n g a y a a nd a nb u k ur e f e r e n s i ” . P e r a t u r a nP e me r i n t a h No mo r 32 T a h u n 201 3 me n d e f i n i s i k a nB u k u T e k sP e l a j a r a n s e b a g a is u mb e r p e mb e l a j a r a n u t a ma u n t u k me n c a p a i K o mp e t e n s i Da s a rd a nK o mp e t e n s i I n t i . Ha l i n i d i k a r e n a k a n i mp l e me n t a s i k u r i k u l u m 201 3 d i ma n as e mu ab u k ut e k sd i t e t a p k a n o l e h p e me r i n t a h , n a mu n b u k u r e f e r e n s i l a i n ma s i h b o l e h d i g u n a k a n o l e hg u r u . B u k u s a k u t e r ma s u k d a l a m b u k u r e f e r e n s ia t a u a l t e r n a t i fy a n g d a p a t 4 3 d i g u n a k a ng u r ud a l a m me n y a mp a i k a n ma t e r i p e mb e l a j a r a n . S a l a h s a t u b e n t u k b u k u t e k s p e l a j a r a n , k h u s u s n y a b u k u p e n d a mp i n g p e l a j a r a n y a i t u b u k u s a k u . B u k u s a k u pocket book d i a r t i k a n d a l a m K a mu sB e s a rB a h a s a I n d o n e s i a 2008 :21 8 s e b a g a i b u k ub e r u k u r a nk e c i ly a n g d a p a t d i ma s u k k a n k e d a l a m s a k u d a n mu d a h d i b a wa k e ma n a - ma n a . 1 Klasifikasi buku pendidikan P e r me n d i k n a s n o 2 t a h u n 2008 , b u k u p e n d i d i k a n d i k l a s i f i k a s i k a n me n j a d i 4 k e l o mp o k , y a i t u : a B u k u t e k s a d a l a h b u k u a c u a n y a n g wa j i b u n t u k d i g u n a k a n d i s a t u a n p e n d i d i k a n . b B u k u p a n d u a n p e n d i d i k a n a d a l a h b u k u y a n g me mu a t p r i n s i p , p r o s e d u r , d e s k r i p s i ma t e r i p o k o k , d a n mo d e l p e mb e l a j a r a n u n t u k d i g u n a k a n o l e h p a r a p e n d i d i k . c B u k u p e n g a y a a n a d a l a h b u u k u y a n g me mu a t ma t e r i y a n g d a p a t d i p e r k a y a b u k u t e k s p e n d i d i k a n d a s a r , me n e n g a h , d a n p e r g u r u a n t i n g g i . d B u k u r e f e r e n s i a d a l a h b u k u y a n g i s i d a n p e n y a j i a n n y a d a p a t d i g u n a k a n u n t u k me mp e r o l e h i n f o r ma s i t e n t a n g i l mu p e n g e t a h u a n , t e k n o l o g i s e n i , d a n b u d a y a s e c a r a d a l a m d a n l u a s . 2 Buku saku proses bubut sebagai media pembelajaran B u k u s a k u d i a r t i k a n s e b a g a ib u k u y a n g b e r u k u r a n k e c i l y a n g d a p a t d i ma s u k k a n k e d a l a m s a k u d a n mu d a h d i b a wa k e 4 4 ma n a - ma n a K B B I , 2008 : 21 8 . B e r d a s a r k a n d e f i n i s i t e r s e b u t , b u k u s a k u me mi l i k ik a r a k t e r i s t i k y a n g d a p a td i l i h a td a r iu k u r a n b u k ud a nk e p r a k t i s a np e n g g u n a a n . B u k uT e k sP e l a j a r a nd a r iB a d a nS t a n d a rNa s i o n a l P e n d i d i k a n B S NP , 201 4 me mp u n y a i b e b e r a p a k r i t e r i a mu t u s t a n d a r k e l a y a k a n s e b a g a i b e r i k u t : a K e l a y a k a nI s i .P e n i l a i a nk e l a y a k a nI s ib u k us a k ud i l i h a t d a r i d i me n s is i k a p s p i r i t u a ld a n s o s i a l ,d i me n s ip e n g e t a h u a n , d a n d i me n s i k e t e r a mp i l a n s e s u a i d e n g a n k u r i k u l u m 201 3. b K e l a y a k a n K e b a h a s a a n . P e n i l a i a n k e l a y a k a n k e b a h a s a a n b u k u s a k u d i l i h a t d a r i k e s e s u a i a n d e n g a n p e r k e mb a n g a n s i s wa , k e t e r b a c a a n , k e ma mp u a n me mo t i v a s i , k e l u g a s a n , k o h e r e n s i d a n k e r u n t u t a n a l u r p i k i r , k e s e s u a i a n d e n g a n k a i d a h b a h a s a i n d o n e s i a , s e r t a p e n g g u n a a n i s t i l a h d a n s i mb o l . c K e l a y a k a n P e n y a j i a n .P e n i l a i a n k e l a y a k a n p e n y a j i a n b u k u s a k u d i l i h a t d a r i t e k n i k p e n y a j i a n , p e n d u k u n g ma t e r i , p e n y a j i a n p e mb e l a j a r a n ,d a n k e l e n g k a p a n p e n y a j i a n . d K e l a y a k a n K e g r a f i k a a n . P e n i l a i a n k e l a y a k a n k e g r a f i k a n b u k us a k u d i l i h a t d a r iu k u r a n b u k u ,d e s a i n k u l i tb u k u , d a n d e s a i ni s i b u k u .

f. Materi pokok pengerjaan logam proses bubut turning

P r o s e s b u b u t turning a d a l a h p r o s e s p e me s i n a n u n t u k me n g h a s i l k a n b a g i a n–b a g i a n me s i n b e r b e n t u k s i l i n d r i s y a n g d i k e r j a k a n