Activity One: Introduction to the Unit
The purpose of the activity is to engage the student with the given topic, "Water". So introduce the unit in a power point presentation with Question and Answer. Ask: "Did you know…" For example: Did you know that it takes 15-30 gallons of water to take a shower? (15 gallons of milk). Did you know that it takes 180 gallons to water the lawn? (180 gallons of milk). Give about 10 questions. Allow time for the students to process information. Use their prior knowledge and, from the students' responses, explain the important facts.
For the hands on activity, let the students work on density of water. Use different cans of soda and explore which cans sink or float (diet soda will float and non-diet soda will sink. Discuss students' responses and allow time to process their observations. Make a work in progress vocabulary word list. Start with the words water and density. Get students to give their own meaning of density and then explain the concept. Density is the measure of how solid something is. Provide the handout, organize the class in groups of four, read aloud the handout (materials and procedure, discuss, and do a follow-up activity. Create a teacher made assessment at the end the lesson and student/teacher made rubric
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