# ALEX Classroom Resource

## Friction Circus!

Classroom Resource Information

Title:

Friction Circus!

URL:

https://aptv.pbslearningmedia.org/resource/reach-with-stem-friction-circus/friction-circus/

Content Source:

PBS
Type: Interactive/Game

Overview:

In this interactive lesson, students will learn that life without friction is a 3-ring circus and an accident waiting to happen. A circus dog with lots of tricks will help you learn about compare and contrast, cause and effect, and the importance of friction.

Content Standard(s):
 English Language Arts ELA2015 (2015) Grade: 3 12 ) Describe the relationship between a series of historical events, scientific ideas or concepts, or steps in technical procedures in a text, using language that pertains to time, sequence, and cause and effect. [RI.3.3] Alabama Alternate Achievement Standards AAS Standard: ELA.AAS.3.12- Identify events, ideas, or steps in an informational text pertaining to time, sequence, or cause and effect. English Language Arts ELA2015 (2015) Grade: 3 18 ) Compare and contrast the most important points and key details presented in two texts on the same topic. [RI.3.9] Science SC2015 (2015) Grade: 3 1 ) Plan and carry out an experiment to determine the effects of balanced and unbalanced forces on the motion of an object using one variable at a time, including number, size, direction, speed, position, friction, or air resistance (e.g., balanced forces pushing from both sides on an object, such as a box, producing no motion; unbalanced force on one side of an object, such as a ball, producing motion), and communicate these findings graphically. NAEP Framework NAEP Statement:: P4.13: An object is in motion when its position is changing. The speed of an object is defined by how far it travels divided by the amount of time it took to travel that far. NAEP Statement:: P4.14: The motion of objects can be changed by pushing or pulling. The size of the change is related to the size of the force (push or pull) and the weight (mass) of the object on which the force is exerted. When an object does not move in response to a push or a pull, it is because another push or pull (friction) is being applied by the environment. Unpacked Content Scientific And Engineering Practices:Planning and Carrying out InvestigationsCrosscutting Concepts: Cause and EffectDisciplinary Core Idea: Motion and Stability: Forces and InteractionsEvidence Of Student Attainment:Students: Planned an experiment to determine the effects of balanced and unbalanced forces on the motion of an object using one variable at a time. Carried out an experiment to determine the effects of balanced and unbalanced forces on the motion of an object using one variable at a time. Collected data from experiment to serve as the basis of evidence for how balanced and unbalanced forces on an object determines an object's motion. Communicated evidence and findings from experiment graphically.Teacher Vocabulary:Experiment Variable Motion Force (push and pull) Balanced forces Unbalanced forces Cause and effect Number Size Direction Position Friction Air resistance Communicate Graphically Net force SumKnowledge:Students know: Each force acts on one particular object and has both strength and direction. An object at rest typically has multiple forces acting on it, but they add to give zero net force on the object. Forces that do not sum to zero can cause changes in the object's speed or direction of motion. Objects in contact exert forces on each other.Skills:Students are able to: Collaboratively plan an experiment to determine the effects of balanced and unbalanced forces on the motion of an object using one variable at a time. Carry out an experiment to determine the effects of balanced and unbalanced forces on the motion of an object using one variable at a time. Collect and record data from experiment. Describe how the investigation plan addresses the purpose of the investigation. Communicate findings graphically.Understanding:Students understand that: Cause and effect relationships provide evidence when investigating balanced and unbalanced forces.AMSTI Resources:AMSTI Module: Forces and Investigations Alabama Alternate Achievement Standards AAS Standard: SCI.AAS.3.1- Identify the effect of a force (e.g., push, pull, gravity) applied to an object.
Tags: cause and effect, compare and contrast, force, friction, motion