By Joan Horvath
This publication exhibits mom and dad and academics tips on how to use the types inside of as beginning issues for 3D printable explorations. scholars can begin with those types and range them for his or her personal explorations. not like different units of types which can simply be scaled, those types have the technological know-how integrated to permit for extra perception into the basic concepts.
- Create (and current the technological know-how at the back of) 3D revealed models.
- Use a 3D printer to create these types as easily as possible.
- Discover new technological know-how insights from designing 3D models.
Parents and teachers
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Additional info for 3D Printed Science Projects: Ideas for Your Classroom, Science Fair, or Home
Note that the bottom of this model, however, is NOT a plane through the Earth and Moon centers - it is clipped well above the center of the bodies to allow you to see a more interesting cross-section. The small dip on the upper right is the Moon’s gravity well; the bigger curve that dominates the piece is (part of) the Earth’s well, which is shaped similarly to the Moon’s if you could see the whole thing. Remember that the height of the curve is not representing the z dimension in space: it represents the change in energy needed to move something from a point on the plane to infinity.
Ripples will spread across the pond. Then suppose a friend nearby started doing the same thing. The ripples going in multiple directions would in some cases add up (creating a doubly-high ripple) and in others, subtract or cancel out. In real life, the waves on the pond will die out and have other complex interactions, but we can get a lot of insight into many kinds of electromagnetic waves (like light and radio waves) by modeling the waves as simple sine and cosine waves that interact with each other like the ripples you just imagined on the pond.
Just flipping over a sinusoid (as in the last example) leads you to ask a lot of questions about how the different sinusoidal functions are related. We found as we worked on some of the models later in this book that often everyone uses the same 2D projection of a 3D model, and that actually creating the entire model literally gives you a different perspective. Figure 1-7 shows all the objects in this chapter together. It is a bit of an exercise in seeing how different a 2D photograph can make a 3D surface look; with the models in hand, we really struggled to arrange them to make it clear what shape they were and what the scale of any imperfections was, relative to the object itself.
3D Printed Science Projects: Ideas for Your Classroom, Science Fair, or Home by Joan Horvath