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Date:
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Balancing Forces—Lesson 4.4 (optional)
Daily Written Reflection
Scientists pay close attention to when things change and when they are
stable. If a scientist was looking at the Floating Paper Clip Device, when
would she say things are stable? When would she say things are changing?
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Make a drawing if it helps you explain your thinking. Label your drawing.
© 2018 The Regents of the University of California. All rights reserved. Permission granted to photocopy for classroom use.
52
Name:
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Date:
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Balancing Forces—Lesson 4.4
Directions:
1. Write an explanation that answers the question below.
2. Your audience is the people of Faraday.
Why does the train float, even though gravity is acting on it?
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Scientific Explanation of Why the Train Floats
© 2018 The Regents of the University of California. All rights reserved. Permission granted to photocopy for classroom use.
53
Name:
_______________________________________
Date:
________________
Balancing Forces—Lesson 4.4 (optional)
Name:
_______________________________________
Date:
________________
Chapter 4: Check Your Understanding
This is a chance for you to reflect on your learning so far. This is not a test. Be
open and truthful when you respond.
Scientists investigate in order to figure out how things work. Am I getting
closer to figuring out how the floating train works?
I understand why the train rises. _____ Yes _____ Not yet
I understand why the train falls. _____ Yes _____ Not yet
I understand why the train floats. _____ Yes _____ Not yet
I understand why the train
changes from floating to falling. _____ Yes _____ Not yet
I understand that scientific explanations
can change when there is new evidence. _____ Yes _____ Not yet
What about the floating train or about forces are you still wondering?
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Make a drawing if it helps you explain your thinking. Label your drawing.
© 2018 The Regents of the University of California. All rights reserved. Permission granted to photocopy for classroom use.