作品展示 首页 > 作品展示
以单元学具为介 促单元教学整合——三下《声音的奥秘》单元实验教学说课

参赛作者:叶晓芳

作品分类:小学-小学科学

浏览次数:514

所属学校:厦门市海沧区教...

评论次数:0

作品简介:
苏教版小学科学三年级下册第三单元《声音的奥秘》包含《声音的产生》《声音的传播》《不同的声音》三个紧密结合的课程内容组成,若以“课时”为单位进行实验教具及教学构思的设计,易造成割裂学科系统性和整体性的局面。故而立足于单元整体高度,紧抓“声音”及“振动”设计适...
更多>>
/discuss/index?courseid=19181
500
java.lang.AbstractMethodError
	at javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:380)
	at javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:380)
	at org.apache.catalina.core.ApplicationDispatcher.unwrapRequest(ApplicationDispatcher.java:738)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:711)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:428)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:360)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:297)
	at net.paoding.rose.web.portal.impl.WindowTask.run(WindowTask.java:81)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)