Force - A push or a pull action that makes things move., Push - To move someone or something forward or away from you., Pull - To move someone or something toward yourself., Tension - A force that stretches something., Electrostatic Force - The pulling together or pushing apart of materials based on their electrical charges. Also called static electricity., Magnetic Force - A force that can attract magnetic objects or push them away. , Muscular Force - A push or pull created by the working of human muscles., Gravitational Force - The force that makes everything fall down towards the Earth., Frictional Force - A force that holds back the movement of a sliding object. , Load - The amount of weight a structure or body has to carry., Magnitude - A measurement of the size of a force., Distance - How far apart two objects are., Natural Phenomena - Forces that humans cannot control (e.g., landslides, tornadoes, earthquakes)., Device - An invention or machine used to perform one or more simple tasks. , Buoyancy - The ability to float., Attract - To exert a force that pulls something in., Repel - To exert a force that pushes something back or away., Contact Force - Any force that happens when an object touches another, or makes contact. (e.g., friction, tension), Non-contact Force - Any force that pulls on an object without touching it. (e.g., magnetic, electrostatic), Balanced Forces - When two forces acting on an object are equal in size but act in opposite directions. , Unbalanced Forces - When two forces acting on an object are not equal in size. ,

Grade 3 Forces vocabulary

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