The Earth The Earth’s Surface Changes Slowly OR Quickly Teacher Page
Objective: Describe how wind and water move and change things. 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.
SLOW EROSION OR FAST EROSION 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 Are these slow or fast? Chemical
SLOW WEATHERING If you said that these types of weathering are . . . THEN, YOU ARE CORRECT! Let’s try that 2nd tie-breaker question!
Which of these caused the EROSION in the following pictures? EROSION is caused by many things. It can be caused by . . . . Wind Water People Which of these caused the EROSION in the following pictures?
Choose 1 button.
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.