Transcript The Earth
The Earth The Earth’s Surface Changes Slowly OR Quickly Teacher Page Objective: Describe how wind and water move and change things. (Strand VI-B5) Related Vocabulary: Weathering - the process by which rock becomes soil. Chemical weathering - such as acid rain Biological weathering - such as by growing things Erosion - the movement of weathered materials. Activity: 1. The students will identify examples of weathering and erosion. 2. The students will differentiate between slow and fast weathering. 3. The students will identify the different causes of erosion. Process: 1. The teacher will click through each of the slides, reading as she/he does so. 2. Each slide is self-explanatory but the teacher should run through the lesson prior to presenting it to the students. Related Activity: Each lesson is followed by a journal activity of some kind. Okay boys and girls. I’m your host, Mr. Weather-bee. Now, let’s play that game that really moves the earth! Let’s play . . . SLOW EROSION OR FAST EROSION Contestant #1: What is the meaning of the word WEATHERING? Is it when. . . A. Rock becomes soil OR when. . . B. Soil becomes rock ? Did you choose answer A? You are correct! Let’s move on to our next question. Contestant #2: What is the meaning of the word EROSION? Does it mean . . . A. the movement of clouds OR B. the movement of weathered materials? Did you choose answer B? Good for you! You are Great! We have a tie! Let’s go to our tie-breaker questions. Look at the 2 examples of WEATHERING Biological Chemical Are these slow or fast? If you said that these types of weathering are . . . SLOW WEATHERING THEN, YOU ARE CORRECT! Let’s try that 2nd tie-breaker question! EROSION is caused by many things. It can be caused by . . . . Wind Water Which of these caused the EROSION in the following pictures? People Choose 1 button. You chose You chose the correct type of cause. Wind EXCELLENT! LET’S MOVE ON! Choose 1 button. You chose You did it again! You are GREAT! Water JOURNAL: •Can you think of some ways that weathering and erosion can be harmful to our earth ? •What are some things that can stop weathering or erosion from happening? Well contestants, that’s the end of our game! You all did such a GREAT job! Give yourselves a GREAT BIG HAND! Click Here This button will take you back to the first slide.