Science Reveiw..docx - Structures And Forces Unit Test Review 1 Natural structures are structures made by nature not by people 2 Manufactured structures

Science Reveiw..docx - Structures And Forces Unit Test...

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Structures And Forces Unit Test Review: 1. Natural structures are structures made by nature, not by people. 2. Manufactured structures are structures made my humans. 3. A frame structure is a type of structure in which a skeleton of materials supports the weight of the other parts. 4. A mass structure is something natural or manufactured, that is made by the piling up materials. 6. Internal force is something that acts inside an object. 7. Tension Force- Stretches an object by pulling its ends apart. A rope on a swing set. Compression Force- Crushes a material by squeezing it together. Footprints in the sand. Shear Force- Bends or tears an object by pressing different parts in opposite directions. A landslide. Torsion- Twist a material by turning the ends in different directions. Lids on jars or containers. 8. Weight-A measure of the force of gravity on an object. Force-Anything that causes a change in motion to an object. Like a push or pull.
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