Unit 6 When was it invented?
invent v, i , n, e, n, t,
inventor v, i , n, o , e, r, n, t,
invention v, i , n, e, o n, t, i, n
In what order do you think they were invented?
1b Listen and match the inventions with the years.
__d__ 1876 __a__ 1885 __c__ 1927 __b__ 1971
pairwork
invention When was … invented? Who was …invented by?
practice
Invention
shoes with special heels shoes with lights
What is it/are they used for?
_ch_a_n__g_in_g__ the style of the shoes
seeing _i_n_t_h_e_d__a_rk____
hot ice-cream scoop _s_e_r_v_in_g__ really cold icecream
Exercises
1.The telejphone __w_a_s_in_v_e_n_te_d(invent) in 1876. 2.These trees _w_e_r_e_in_v_e_n_te_d_(cut down) by Bob yesterday. 3. The computer was invented in 1971。(划线部分提问) ____W_h_e_n_w_a_s_t_he__co_m__pu_t_e_r _in_ve_n_t_ed_?_______________ 4. The printing was invented by Bi Sheng in the Song dynasty。 ___W_h_o__ ___w_a_s__the printing __i_nv_e_n_te_d____ by?