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Crucigrama Sopa de Letras Hoja de Trabajo
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Unit 1 Lesson 2: Study Guide

Teacher: Denise Kearney
Horizontales
You can come up with a ________, or proportion, to create a scaled model.
Theories and models can change with new _____________ or observations.
The _________ Theory has been revised many times since it was first published in 1808 by John Dalton, and explains the structure and behavior of atoms.
The law describing that the oldest layer of rock is at the bottom, and the youngest layer of rock is at the top is called the Law of ___________.
Evidence has recently been discovered related to human evolution - the new species that was discovered is Homo ________.
You should not use sources that are trying to ____ a product because they are trying to use science to make money, not to instruct.
A scientific _______ describes a basic principle of nature that always occurs under certain conditions.
A scientific ____________ is a well-supported explanation about the natural world.
Models are extremely useful, however, they do have ______________.
You can trust information that comes from government or _____________ sources.
Verticales
A representation of something in the natural world that is too small, too big, or in some way too difficult to study is called a scientific ____________.
Be cautious with publications more than a _____ years old.
Nationally recognized institutions, such as NASA and Mayo Clinic are also good sources because they rely on their ______________.
Scientific knowledge is __________ because it is open to change.
Newton's 1st Law of Motion also known as the Law of _______ states that objects at rest will stay at rest and objects in motion will stay in motion, unless acted on by an unbalanced force.
Scientific laws are considered _____________ and eternal.
__________ laws are different than scientific laws because they are enforced and sometimes changed.
In class we discussed different types of models such as _____________ models, computer models, and mathematical models.
The Laws of ________ of Mass and Energy state that mass and energy cannot be created or destroyed, only transformed.
Good scientific knowledge does not always last ____________.