3-PS2-1 3-PS2-2

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great Level: 3 (3 – 5) Time Required: 45 minutes topic Areas:
 Physical scientific research

NGSS performance Expectations:

 3-PS2-1 3-PS2-2

Units offer as guides to a certain content or subject area. Nested under units are lessons (in purple) and also hands-on tasks (in blue).

You are watching: What are some objects that swing like a pendulum

note that no all great and activities will exist under a unit, and instead might exist together "standalone" curriculum.

How perform pendulums work?

review

Students find out what a pendulum is and also how it functions in the context of amusement park rides. While exploring the physics the pendulums, castle are likewise introduced to Newton"s first law of motion — about continuous motion and inertia. This engineering curriculum aligns to following Generation scientific research Standards (NGSS).

Engineering connection

Pendulums are offered in plenty of engineered objects, such together clocks, metronomes, amusement park rides and earthquake seismometers. In addition, designers know that expertise the physics of how pendulums act is vital step towards understanding motion, gravity, inertia and also centripetal force. Engineers use their understanding of this motion concepts to recognize the force needed come propel things into outer space, the braking power compelled to protect against a automobile at high speeds, and the optimal curve of a highway ramp. Teams of designers work on a wide variety of projects and solve problems that are important to society.

learning Objectives

After this lesson, students need to be may be to:

Describe just how a an easy pendulum moves.Relate pendulums to Newton"s first law the motion.Explain several uses for pendulums in modern, everyday engineering applications.

Educational standards each gaianation.net great or task is associated to one or an ext K-12 science, technology, engineering or mathematics (STEM) educational standards. all 100,000+ K-12 STEM standards extended in gaianation.net are collected, maintained and also packaged by the Achievement standards Network (ASN), a task of D2L (www.achievementstandards.org). In the ASN, standards room hierarchically structured: an initial by source; e.g., through state; within resource by type; e.g., science or mathematics; within type by subtype, then by grade, etc.

NGSS: following Generation science Standards - scientific research
NGSS performance Expectation scientific research & engineering Practices Disciplinary Core principles Crosscutting ideas

3-PS2-1. Plan and also conduct an examination to provide evidence the the results of balanced and also unbalanced pressures on the motion of one object. (Grade 3)

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This lesson focuses on the complying with 3 Dimensional Learning facets of NGSS:
Plan and conduct an investigation collaboratively to produce data to serve as the basis for evidence, utilizing fair tests in which variables room controlled and the number of trials considered.

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Science investigations use a variety of methods, tools, and techniques.

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Each force acts upon one particular object and also has both strength and also a direction. An item at rest commonly has multiple forces acting top top it, but they add to provide zero net force on the object. Forces that do not sum to zero can cause changes in the object"s speed or direction the motion. (Boundary: Qualitative and also conceptual, however not quantitative addition of forces are used at this level.)

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Objects in call exert forces on each other.

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A system can be explained in regards to its components and their interactions.

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NGSS power Expectation science & engineering Practices Disciplinary Core ideas Crosscutting principles

3-PS2-2. Make monitorings and/or dimensions of one object"s movement to carry out evidence that a pattern have the right to be offered to predict future motion. (Grade 3)

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This lesson concentrates on the following 3 Dimensional Learning aspects of NGSS:
Make monitorings and/or dimensions to develop data to serve as the communication for proof for an explanation the a phenomenon or test a architecture solution.

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Science findings are based upon recognizing patterns.

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The fads of one object"s activity in various cases can it is in observed and also measured; as soon as that past motion exhibits a regular pattern, future motion deserve to be predicted native it. (Boundary: technical terms, such as magnitude, velocity, momentum, and also vector quantity, are not presented at this level, yet the concept that some quantities need both size and direction to be defined is developed.)

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Patterns deserve to be used as proof to support an explanation.

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