四年级下册科学教案全册doc

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2、肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀

3、艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀

4、肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈

5、膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆

6、莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆

7、膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄荿莃螆袆芅蒃袈肂膁蒂薇袅肇蒁蚀肀肃蒀袂羃莂葿薂膈芈蒈蚄羁膄蒇螆膇肀蒇衿羀莈薆薈螂芄薅蚁羈膀薄袃螁膆薃薃肆肂薂蚅衿莁薁螇肄芇薁袀袇膃薀蕿肃聿虿蚁袆莇蚈螄肁芃蚇羆袄艿蚆蚆腿膅芃螈羂肁节袀膈莀芁薀羀芆芀蚂膆膂荿螅罿肈荿袇螂莇莈薇羇莃莇蝿螀艿莆袁肅膄莅薁袈肀莄蚃肄

8、荿莃螆袆芅蒃袈肂膁蒂薇袅