Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Ali and his friends plan to camp in the nearby forest. Fill out the table to help them have DFDPSÀUHZLWKRXWFDXVLQJDZLOGÀUH Situations Precautions a) while choosing a spot to C__h_o__o_s_e__a_p__la__c_e__a_w__a_y__fr_o_m___p_la__n_t_s_a_n__d__o_b_j_e_c_t_s_t_o__a_v_o__id___ have the campfire a__w__il_d_f_ir_e_._______________________________________________ b) while lighting the campfire D__o__n_o_t__le_a__v_e__th_e__m__a__te__ri_a_l _u_s_e_d__f_o_r_l_ig_h__ti_n_g__th__e__fi_re_________ b__u_r_n_in_g__.________________________________________________ c) while the campfire burns N__e_v_e__r _le_a__v_e__th__e__c_a_m__p_f_ir_e__u_n_a__tt_e_n__d_e_d__. __________________ ________________________________________________________ d) before leaving for home P__u_t_o_u__t _t_h_e__c_a_m__p_f_i_re__c_o__m_p__le__te_l_y_.________________________ ________________________________________________________ WB: :LOGÀUH 9
Lesson 12 Cyclones and Floods Remembering Multiple Choice Questions [D] [A] 1) What do we call the storms which bring heavy rains along with them? (A) earthquakes (B) floods (C) wildfires (D) cyclones 2) What do we call the centre of a cyclone? (A) eye (B) wing (C) hole (D) spin Fill in the Blanks 3) _______C__y_c_lo__n_e_s_______ are formed over the oceans. 4) Around the ______e_y_e______ of a cyclone, winds spin at high speeds. Very Short Answer Questions 5) What does a cyclone bring with it? Ans. _h_e_a_v__y_r_a_i_n_s_________________________________________________________________________ 6) Where does a cyclone move towards? Ans. _A__c_y_c_l_o_n_e__m__o_v__e_s_t_o_w__a_r_d_s__th_e__l_a_n_d__. _________________________________________________ 10
Short Answer Question 7) Describe cyclones. Ans. _C_y_c__lo_n__e_s_a__re__p_o__w_e__rf_u_l_s_t_o_r_m_s__s_p_in__n_in_g__a__ro__u_n_d__a__c_a__lm__c__e_n_t_re__._T_h_e_y__b_r_in__g_s_t_r_o_n_g__w__in_d__s_ _a_n_d__h_e__a_v_y__ra__in_s_._T_h_e__y_a__re__n_o__rm__a__lly__f_o_r_m_e__d__o_v_e_r__o_c_e_a__n_s_a__n_d__m__o_v_e__t_o_w__a_r_d_s_t_h_e__l_a_n_d__. _ ____________________________________________________________________________________ Understanding True or False 8) When a cyclone hits land areas, the powerful winds may destroy everything in their way. [ True ] 9) Land areas may get submerged during floods. [ True ] 10) Cyclones never push the seawater onto the land. [ False ] 11) Houses and vehicles are not damaged during cyclones. [ False ] Short Answer Questions 12) What is flood? Ans. $___Á_R_R_G__LV__D__V_X_G_G_H__Q__UL_VH__L_Q_W_K_H__Z__D_W_H_U_O_H_Y_H_O_P__D__N_LQ_J__O_D_Q_G__D__UH_D__V_V_X_E__P_H__UJ__H__LQ__Z_D__WH__U_______ ____________________________________________________________________________________ ____________________________________________________________________________________ 13) List any two destructions caused by cyclones. Ans. C__y_c__lo_n_e__s_m__a_y__u_p__ro_o__t_o_r__b_re__a_k__th__e_t_r_e_e_s_,_b__lo_w___a_w__a_y__ro__o_f_s _o_f_b__u_il_d_i_n_g_s_,_d_i_s_p_la__c_e__a_n_d____ _d_a_m__a__g_e__v_e_h_i_c_le__s_a_n__d__e_le__c_t_ri_c_a_l_p__o_s_ts__a_n_d__s_o__o_n_.__(a__n_y__tw__o_)___________________________ ____________________________________________________________________________________ Long Answer Question 14) What leads to floods during cyclones? Ans. C__y_c__lo_n_e__s_p_u__sh__t_h_e__se__a_w__a_t_e_r_i_n_t_o_t_h_e__la__n_d_._T_h_e__y_a__ls_o__b_r_in_g__h_e_a__v_y__ra_i_n_s_w__it_h__th__e_m__._S_t_ro_n__g_ _UD_L_Q_V_P__D__\\_O_D_V_W_I_R_U_K_R__X_U_V_R_U_H__Y_H_Q__G_D__\\_V__$_O_OW_K_H__VH__O_H_D_G__W_R__Á_R_R_G__V_ _________________________ ____________________________________________________________________________________ WB: Cyclones and Floods 11
____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Application Multiple Choice Questions 15) A family lost their house in a flood. Where will they find temporary shelter? [ B ] (A) police station (B) rescue camp (C) hospital (D) post office 16) Flood water makes: [C] (A) all water sources clean and hygienic (B) potable drinking water available throughout the year (C) all water sources unfit for drinking (D) the life of the trapped people easy Short Answer Questions 17) Aman wants to know how people are rescued during floods. Can you think of any two ways? Write them down. Ans. _L_e_a_r_n_e_r_’_s_r_e_s_p_o_n__se__(_H_i_n_t_:_3_H_R__S_OH__W_U_D_S_S__H_G__LQ__Á_R_R__G_V_F__R_X_O_G__E_H__UH__VF__X_H_G__X_V_L_Q_J__E_R_D__WV__R_U____ _h_e_l_ic_o__p_t_e_r_s._)________________________________________________________________________ ____________________________________________________________________________________ 18) Why do the people affected by cyclones or floods need medical support? Ans. _S_ta__g_n_a__n_t_f_lo__o_d_w__a_t_e_r_c__a_u_s_e_s__a_n__in__c_re__a_s_e__in__t_h_e__n_u_m__b_e__r_o_f_d__is_e_a__se__-s_p_r_e_a__d_i_n_g__in_s_e_c__ts_.__ _S_o_,_d__is_e_a_s_e_s__s_p_r_e_a_d__a__n_d__p_e_o__p_le__n__e_e_d__m__e_d__ic_a__l _su__p_p_o__rt_.______________________________ ____________________________________________________________________________________ 12
Long Answer Question 19) Fill in the missing information in the concept map to show how the government helps people affected by cyclones. Government help a) ____f_o_o__d______ water temporary c) ___m__e_d_i_c_a_l____ medicines b) ___c_l_o_t_h_e_s_____ shelters ___s_u_p__p_o_r_t____ d) _c__h_e_c_k_-_u_p__s___ milk Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) The government has given a cyclone alert. People are asked to prepare an emergency kit. List the items that should be a part of the emergency kit. Ans. L_e__a_r_n_e_r_’s__re__s_p_o_n_s_e___________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ WB: Cyclones and Floods 13
Lesson 13 Earthquakes and Tsunami Remembering Multiple Choice Questions 1) What do we call the shaking of the Earth? [C] (A) wildfire (B) cyclone (C) earthquake (D) flood 2) What is the sign of an earthquake? [C] (A) heavy rains (B) strong winds with rain (C) shaking of the ground (D) wildfire Fill in the Blanks 3) Most earthquakes in the world happen along the edges of the _____P__a_c_i_fi_c_O__c_e__a_n_____. 4) ______S_e_i_s_m_o__g_r_a_p_h________ is used to measure the strength of earthquakes. Very Short Answer Questions 5) Are all earthquakes of the same strength? Ans. N__o_,_s_o_m__e__a__re__w__e_a_k_,__w_h_i_le__s_o_m__e__a_r_e__s_tr_o_n_g__. __________________________________________ 6) What is shown in the given picture? Ans. _se__is_m__o_g_r_a_p__h________________________________________________________________________ Short Answer Question 7) What is the ‘Pacific ring of fire’? Ans. _M__o_s_t _e_a__rt_h_q__u_a_k_e_s__h_a__p_p_e__n__a_lo__n_g__t_h_e__e_d__g_e_s__o_f_t_h_e__P__a_c_i_fi_c__O_c__e_a_n__. _T_h_is__a_r_e_a__i_s_c_a__ll_e_d_ _th__e_‘_P_a__c_if_ic__R__in_g__o_f__F_ir_e_’_. ____________________________________________________________ ____________________________________________________________________________________ 14
Understanding True or False 8) Inner layers of the Earth collide or move apart during an earthquake. [ True ] 9) Tsunami means ‘harbour wave’ in Japanese. [ True ] 10) Tsunami is the result of a wildfire. [ False ] 11) No damage is caused to public property due to earthquakes. [ False ] Short Answer Questions 12) What is a tsunami? Ans. T_h__e_w__a_v__e_s_f_o_r_m__e_d__d_u_e__t_o__a_n__e_a__rt_h_q__u_a_k_e__in__a__n_o__c_e_a__n_t_h_a__t_r_is_e__lik_e__a__h_u__g_e__w__a_ll_o__f _____ w__a_t_e_r__a_n_d__l_a_s_h_o__v_e_r_t_h_e__c_o__a_s_t_i_s _c_a__lle__d__a__ts_u_n_a__m__i.____________________________________ ____________________________________________________________________________________ 13) Why do the tsunami waves rise like huge walls of water when they reach the coast? Ans. _A_s_s_e_a__s_h_o_r_e_s_a__re__s_h_a__llo__w_,_t_h_e__t_s_u_n_a__m_i_w__a_v__e_s_f_o_r_m__e_d__d_o__n_o__t_h_a_v__e_e__n_o_u__g_h__sp__a_c_e__i_n__th_e_ _w_a__te__r _to__m__o_v__e_u__p__a_n_d__d__o_w_n__. _S_o__th__e_y__ri_se__l_ik_e__h_u_g__e__w_a__lls__o_f_w__a_t_e_r_a__b_o_v__e_t_h_e__s_e_a_______ _le_v_e__l._______________________________________________________________________________ Long Answer Question 14) Complete the sequence events to explore how earthquakes happen. a) The Earth has ____________________________la__y_e_r_s_______________________________________. b) The upper layers are __________th__in__a_n_d__b__ro__k_e_n__in_t_o__p_i_e_c_e__s _____________________________. c) They float over ________________________t_h_e__in_n__e_r_p_a__rt___________________________________. d) While floating ___________th_e__s_e_p__ie_c__e_s_m__a__y_c__o_ll_id_e__o__r _m__o_v_e__a_p__a_r_t _______________________. This causes an earthquake. WB: Earthquakes and Tsunami 15
Application Multiple Choice Questions 15) In which of the following years did the deadliest earthquake happen in the Indian Ocean? [D] (A) 2010 (B) 2014 (C) 2002 (D) 2004 16) Rebuilding work by the government is necessary after earthquakes or tsunami so that: [A] (A) people can go back to their normal life (B) people can remember about the event (C) people can always be put in danger (D) people should not go back to their normal life Short Answer Questions 17) What destruction do the tsunami waves cause? Ans. _Ts_u_n__a_m__i _w__a_v_e_s__c_a_n__d_e__s_tr_o_y__e_n_t_ir_e__c_o_a__s_ta__l _a_r_e_a_s_._T_h_e__y_s_w__e_e_p__a__w_a__y_b__u_il_d_in__g_s_,_v_e_h__ic_l_e_s_, _ro_a__d_s_,_t_re__e_s_a__n_d__s_o__o_n_._T_s_u_n_a__m__is_m__a__y_a__ls_o__le_a__d__to__t_h_e__d_e__a_t_h_o__f _m__a_n_y__p_e__o_p_l_e_._________ ____________________________________________________________________________________ 18) What damage does an earthquake cause? Ans. _S_m_a__ll_e_a__rt_h_q__u_a_k_e__s_c_a__n_t_o_p__p_l_e_a__f_e_w___b_u_i_ld_i_n_g_s__a_n_d__c_r_a_c__k_r_o_a__d_s_. _B_u_t_,_b_i_g__e_a_r_t_h_q_u_a__k_e_s__ _c_a_n__d_e__st_r_o_y__e_n_t_ir_e__c_it_i_e_s_. _E_a_r_th__q_u_a__k_e_s_m__a__y_a__ls_o__le_a__d__to__t_h_e__d_e__a_t_h_o__f_m__a_n_y__p_e__o_p_l_e_.____ ____________________________________________________________________________________ Long Answer Question 19) What type of help is offered by the government and some agencies to the people who are affected by earthquakes or tsunami? Ans. _Th__e__g_o_v_e__rn_m__e__n_t_a_n__d__se__v_e_r_a_l_o_t_h_e__r _a_g_e__n_c_i_e_s_s_e_t__u_p__re__lie__f_c_a__m__p_s_f_o_r_r_e_s_c_u__e_d__p_e_o__p_l_e___ _to__s_t_a_y__sa__fe__. _T_h_e_y__a_l_so__a__rr_a_n_g__e__fo__r _fo__o_d_,_d__ri_n_k_in__g__w_a__te__r _a_n_d__c__lo_t_h_e__s_f_o_r_t_h_e_s_e__p_e__o_p_l_e_.__ _D_o_c__to__rs__a_t_t_h_e__c_a__m__p_s_t_r_e_a_t_i_n_ju__re__d__p_e_o__p_le__. __________________________________________ 16
____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) In the given situations, write the Do’s and Don’ts to follow during an earthquake. Situations Do’s Don’ts a) You are on the school S_t_a__y_o_n__t_h_e__p_l_a_y_g__ro_u__n_d_.____ _D__o__n_o_t_g__o__b_a_c__k_t_o__th__e_____ playground. ___________________________ _c__la_s_s_ro__o_m__.________________ ___________________________ ___________________________ ___________________________ ___________________________ b) You are at home. Your L_e__a_v_e__t_h_e__h_o_u__se__. _U_s_e__th__e___ _D__o__n_o_t_u__se__t_h_e__li_ft__to__l_e_a_v_e__ house is on the fifth s_t_a_i_rc__a_s_e_/_e_m__e_r_g_e__n_c_y__e_x_it___ _t_h_e__b_u__ild__in_g__. ______________ floor. t_o__v_a__c_a_t_e__th__e_b__u_il_d_i_n_g_._____ ___________________________ ___________________________ ___________________________ WB: Earthquakes and Tsunami 17
Lesson 14 Simple Machines Remembering Multiple Choice Questions 1) Identify a simple machine from the following. [C] (A) mixer used at home (B) grinder to grind grains (C) wheel and rope used to draw water (D) iron used to press clothes 2) Which of the following is not a simple machine? [D] (A) wedge (B) lever (C) pulley (D) washing machine Fill in the Blanks 3) Simple machines are the devices that make the work _____e__a_s_y_______. (difficult/easy) 4) A _____s_lo_p__in_g_______ surface is used to load or unload heavy objects. (sloping/flat) Very Short Answer Questions 5) Give any one example of simple machines. Ans. _in_c_l_in__e_d__p_l_a_n_e_,__sc__re__w_,_w__h_e__e_l _a_n_d__a__x_le_,_l_e_v_e__r,_w__e_d__g_e__a_n_d__p__u_ll_e_y__(a__n_y__o_n_e__) ____________ 6) Why do we use simple machines? Ans. _W_e__u__se__s_im__p__le__m__a_c_h__in_e__s_t_o__a_p_p__ly__fo__rc__e_t_o__m__o_v_e__a_n__o__b_je__c_t_. __________________________ Short Answer Question 7) How do simple machines help us? Ans. _S_im__p_l_e__m__a_c_h_i_n_e_s__m__a_k_e__o_u_r__w_o__rk__e_a_s_i_e_r.__W_e__n__e_e_d__l_e_s_s_e_f_fo__rt__to__m__o_v__e_o__b_je__c_t_s_b_e__c_a_u__se__ 18
o__f _t_h_e_m__._T_h_e_y__c_a__n__d_o__th__e__w_o__rk__w_i_th__l_e_s_s_f_o_r_c_e_.________________________________________ ____________________________________________________________________________________ Understanding Match the Following 8) a) inclined plane 9) b) wedge 10) c) lever 11) d) wheel and axle Short Answer Questions 12) What is a screw? How is a screw useful? Ans. A___sc__re__w__is_a__t_y_p__e_o__f_s_im__p_l_e__m_a__c_h_i_n_e__w__h_e_r_e__th_e__i_n_c_l_in_e__d_p__la__n_e__is_s_w__ir_le__d__a_r_o_u_n_d__a__r_o_d_.__It i_s_u_s_e__fu_l_f_o_r_p__u_t_ti_n_g__t_h_in_g__s_t_o_g__e_th__e_r_t_ig__h_t_ly_.____________________________________________ ____________________________________________________________________________________ 13) Why do we use pulleys to lift objects? Ans. _P_u_ll_e_y_s_m__a__k_e__lif_t_in_g__o__b_je__c_t_s_e_a__si_e_r_a__s_it__is_e__a_s_ie__r _to__p__u_ll_a__h_e__a_v_y__o_b_j_e_c_t__th__a_n__to__l_if_t_it_._S_o_,__ _w_e__u_s_e__p_u__lle__y_s.______________________________________________________________________ ____________________________________________________________________________________ WB: Simple Machines 19
Long Answer Question 14) Write a note on ‘lever’ with the help of a diagram. Ans. _/_H_Y_H_U_L_V_D__E_D__U__UR_G__R__U_S_O_D_W_IR__UP___WK__D_W_F_D__Q__P__R_Y_H__D_E__R_X_W_D__À_[_H_G__S__R_L_Q_W__7K__H_À_[_H__G__S_R_L_Q_W_L_V____ _c_a_l_le_d__t_h_e__f_u_lc__ru_m__._T_h__e_l_e_v_e__r _to__u_c_h_e__s_t_h_e__s_u_p_p__o_rt__a_t_t_h_e__f_u_lc__ru_m__._A___le_v_e__r _m__a_k_e_s__it______ _e_a_s_ie__r _t_o_m__o__v_e__a__la_r_g_e__l_o_a_d__w__it_h__li_tt_le__e_f_f_o_r_t._F_o__r _e_x_a__m_p__le_,__se__e_-_sa__w_.____________________ fulcrum Application [B] [C] Multiple Choice Questions 15) Which type of simple machine is shown in the given picture? (A) pulley (B) wheel and axle (C) inclined plane (D) wedge 16) Which of the following is an example of a lever? (A) steering wheel (B) knife (C) stapler (D) bottle cap 20
Short Answer Questions 17) List any two wedges that we use in our day-to-day life. Also, mention where they are used. Ans. _Th__e_k_n__if_e__w_e__u_s_e__f_o_r_c_u__tt_in__g__v_e_g_e__ta__b_le__s_is__a__w_e__d_g_e__. _A_n__a_x_e__u__se__d__to__c_u__t_w__o_o_d__is__a______ _w_e__d_g_e__. ____________________________________________________________________________ ____________________________________________________________________________________ 18) Identify and underline the simple machines from the following sentences. a) Rajat opened a soft drink bottle with a b__o_t_tl_e__o_p_e__n_e_r. b) We use a s_t_a_i_rc_a__s_e to climb. Long Answer Question 19) Draw and name any three devices from our kitchen that are simple machines. Ans. Learner’s response (Hint: Learners can draw a pair of scissors, knife, bottle cap and so on.) WB: Simple Machines 21
Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Name the simple machines you can use in the following situations. Jobs Simple Machines a) to make a trolley to carry _w_h__e_e_l _a_n_d__a_x_le___________________________________ your school bag b) to carry your bicycle up _in_c__lin_e__d_p__la_n_e____________________________________ the stairs c) to join a broken arm of a _s_c_re__w___________________________________________ chair d) to cut some fruits to make _w_e__d_g_e__________________________________________ a fruit salad 22
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