# There's a Fraction Too Much Friction - Science Investigation

60 mins | Suitable for grades: 3 - 5

A 60-minute lesson in which the students investigate how moving objects in different ways affects the strength of friction force.

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### Curriculum

• #### Science 3.2(A)

Plan and implement descriptive investigations, including asking and answering questions, making inferences, and selecting and using equipment or technology needed, to solve a specific problem in the natural world;

• #### Science 3.2(B)

Collect and record data by observing and measuring using the metric system and recognize differences between observed and measured data;

• #### Science 3.2(C)

Construct maps, graphic organizers, simple tables, charts, and bar graphs using tools and current technology to organize, examine, and evaluate measured data;

• #### Science 3.2(D)

Analyze and interpret patterns in data to construct reasonable explanations based on evidence from investigations;

• #### Science 3.2(E)

Demonstrate that repeated investigations may increase the reliability of results; and

• #### Science 3.2(F)

Communicate valid conclusions supported by data in writing, by drawing pictures, and through verbal discussion.

• #### Science 3.6(C)

Observe forces such as magnetism and gravity acting on objects.

• #### Science 4.2(A)

Plan and implement descriptive investigations, including asking well defined questions, making inferences, and selecting and using appropriate equipment or technology to answer his/her questions;

• #### Science 4.2(B)

Collect and record data by observing and measuring, using the metric system, and using descriptive words and numerals such as labeled drawings, writing, and concept maps;

• #### Science 4.2(C)

Construct simple tables, charts, bar graphs, and maps using tools and current technology to organize, examine, and evaluate data;

• #### Science 4.2(D)

Analyze data and interpret patterns to construct reasonable explanations from data that can be observed and measured;

• #### Science 4.2(E)

Perform repeated investigations to increase the reliability of results; and

• #### Science 4.2(F)

Communicate valid oral and written results supported by data.

• #### Science 4.6(D)

Design a descriptive investigation to explore the effect of force on an object such as a push or a pull, gravity, friction, or magnetism.

• #### Science 5.2(A)

Describe, plan, and implement simple experimental investigations testing one variable;

• #### Science 5.2(B)

Ask well defined questions, formulate testable hypotheses, and select and use appropriate equipment and technology;

• #### Science 5.2(C)

Collect and record information using detailed observations and accurate measuring;

• #### Science 5.2(D)

Analyze and interpret information to construct reasonable explanations from direct (observable) and indirect (inferred) evidence;

• #### Science 5.2(E)

Demonstrate that repeated investigations may increase the reliability of results;

• #### Science 5.2(F)

Communicate valid conclusions in both written and verbal forms; and

• #### Science 5.2(G)

Construct appropriate simple graphs, tables, maps, and charts using technology, including computers, to organize, examine, and evaluate information.

• #### Science 5.6(D)

Design a simple experimental investigation that tests the effect of force on an object.