Loudon Elementary School

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Fifth Grade Science (Period Mrs. Curtis' Homeroom)

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Unit 4 Lesson 1: What Are Forces?

5.PS2.2 Make observations and measurements of an object’s motion to provide evidence that a pattern can 
be used to predict future motion.
5.PS2.3  Use evidence to support that the gravitational force exerted by Earth on objects is directed toward 
the Earth’s center.
5.PS2.4  Explain the cause and effect relationship of two factors (mass and distance) that affect gravity. 
Goals: identify some common forces, describe how varying the strength of a force affects the motion of an object, describe how objects of varying mass are each affected by a similar force, and compare and contrast balanced and unbalanced forces.
This week the students will work through Lesson 1, pages 171-188. They will learn about balanced and unbalanced forces, pushes and pulls, gravity, friction, and more.