Reflection: Rigor Liquid Density Lab - Sink or Swim - Section 3: Lab (Student Activity)


Hands-on experimentation through lab activities can be expensive and time consuming. I spend many hours designing, building, implementing, and testing these sorts of activities. The payoff is that next year I won't have to spend as much time preparing this activity. So why do these sorts of lessons at all? 

I get bored very quickly with book work. It was the same when I was a child. When I'm bored in the classroom it shows up as apathy in my students. If I expect my students to be excited about science then I need to create activities that make me excited. I make hands-on activities for two reasons, 1) they are fun to teach and 2) I honestly believe that students get more from "doing things" than from just "learning things". The brain has a larger capacity to remember knowledge when more parts of the body are involved.

  Importance of experimentation
  Rigor: Importance of experimentation
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Liquid Density Lab - Sink or Swim

Unit 7: Density and Buoyancy
Lesson 6 of 6

Objective: Students will be able to test the density of different objects in water, vegetable oil, and corn syrup.

Big Idea: Watch your students enjoy this messy lab as they determine what substances will float, "flink", or sink in three different fluids.

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5 teachers like this lesson
Science, buoyancy, density, displacement
  85 minutes
sink or swim
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