Objectives
• 1. New words and expressions about inventions.
• 2. Learn to talk about the history of some food
• 3. The passive voice in the past tense.
cook
potato chips
George Crum
Who were potato chips invented by? When were potato chips invented?
1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
Tastes
1.Can you tell me five tastes? sour sweet bitter hot salty
2. Which food is sour? orange yogurt
3.Which food is bitter? tea coffee
The history of chips
Did you know that potato chips were inventedb_y_a_c_c_id_e_n_t (偶然的)? Chips were invented __b_y___ a chef called George Crum. They were invented _i_n_1853.He cooked them for a long time until theyw_e_r_e_c_r_is_p_y(很 脆了). And he sprinkled lots of salt on them so they were _s_a_lt_y__（真的很咸）.But these chips _m__a_d_e_ the customers _h_a_p_p_y_ (让某人 很高兴) .So the potato chips _w_e_r_e_in_v_e_n_t_ed_ (发明了）.
1d Listen again. Complete the sentences.
The History of Potato Chips Do you know how potato chips were invented? Potato chips _w_e_r_e_i_n_v_e_n_t_e_d_by a cook called George Crum. They were invented in _1_8_5_3_ . George Crum cut the potatoes really, really __th_i_n__ and then cooked them for a long time until they were _c_r_is_p_y__. Finally he put lots of salt on them so they were _r_ea_l_l_y_s_a_lt_y_.
thin enough. T F 4. The customer said they were not salty enough.
TF 5. George wanted to make the customer happy.
TF 6. The customer was happy in the end. T F
1c Listen and circle T for true or F for false.
1. Potato chips were invented by mistake. T F 2. They were invented in 1863. T F 3. The customer thought the potatoes were not
The potatoes are cut into slices. They should be cut really thin. The slices are cooked in the pan until they are crispy.
The pepper and salt are sprinkled(撒，洒) .
How was it invented?
It was invented by accident.
produced a nice smell fell into …and remained…
boiling water over an open fire tasted the brown water ---tea
sweet crispy salty sour
_cr_i_s_p_y _sa_l_ty__
_s_o_u_r_ _sw__e_et_ _s_a_l_ty_
1b Write the name of a different food after each word.
sweet: _b_a_n_a_n_a_,_a_p_p_l_e_, _so_d_a_,_c_a_k_e_,_h_o_n__ey_ crispy: s_a_l_a_d_, _le_t_t_u_c_e（__生_菜_）__,f_r_e_n_c_h_f_r_ie_s_ salty: _fr_e_n_c_h_f_ri_e_s,_o_l_iv_e_s_（_橄__榄__）__…_______ sour: _y_o_u_g_u__rt_，___le_m__o_n_，__p_i_c_k_l_e(_泡__菜__),_
5.Which food is salty ? salt pizza
6.Which food is hot ? pepper onion
Describe how food tastes.
potato chips crispy and salty
How to make potato chips
What are needed?