Or
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DISCUSS:
Do you think the "energy" used by people and the "energy" used by cars is the same thing? Why or why not?
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DISCUSS:
Where does this get its energy from?
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DISCUSS:
The more you stretch a rubber band, the faster an object goes. Why?
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DISCUSS (1 of 2):
Look at the "Wonder" column of your class See-Think-Wonder chart. Have any questions been answered by this Mystery?
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Discuss (2 of 2): People had to set up each part of this machine. How does setting up the machine help it "go?"
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Grade 4
Energy & Energy Transfer
Speed & Energy
4-PS3-1
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Twist-O-Matic printout
Students working alone will need 2 copies of this template. |
Print 30 copies |
| Twist-O-Matic Challenges worksheet | 30 copies |
| Twist-O-Matic Challenges Answer Key teacher-only resource | 1 copy |
|
Crayons
Each student needs two colors that can be easily distinguished from one another, like orange and blue.
|
Details
60
|
|
Hardcover Books
Books must be heavy enough to keep a ruler hanging halfway off a table.
|
Details
30 books
|
|
Rulers
|
30 rulers |
|
Scissors
|
30 pairs |
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Rubber Bands (#16)
Any rubber band that is 1/16" wide.
|
Details
15 bands
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Rubber Bands (#62)
Any rubber band that is 1/4" wide.
|
Details
15 bands
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Small Binder Clips (3/4")
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60 clips |
We suggest students work in pairs. Homeschool students can work on their own, but they will need to make two models so that they can compare and contrast what happens when using the thin versus thick rubber band.
Student pairs will need to set up two Twist-O-Matic models next to each other for easier comparison between the thin and thick rubber bands. Each model takes up the space of about one student desk, so it is easiest if student pairs are sitting next to one another.
Grade 4
Energy & Energy Transfer
Speed & Energy
4-PS3-1
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