# What Goes Up Must Come Down!

Contributor
Emily Morgan and Karen Ansberry
Type Category
Instructional Materials
Types
Lesson/Lesson Plan
Note
This resource, vetted by NSTA curators, is provided to teachers along with suggested modifications to make it more in line with the vision of the NGSS. While not considered to be “fully aligned,” the resources and expert recommendations provide teachers with concrete examples and expert guidance using the EQuIP rubric to adapted existing resources. Read more here.

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## Description

This article features a  5E lesson using the children's book "Gravity" by Jason Chin.  It uses Page Keeley's formative assessment probe, "Tower Drop" and several videos in addition to the book. Students demonstrate their understanding by writing a letter to a friend visiting Australia afraid that he/she will fall off the Earth because of Australia’s location to convince him/her that this will not happen.

Intended Audience

Educator
Educational Level
• Upper Elementary
Language
English
Access Restrictions

Available for purchase - The right to view, keep, and/or download material upon payment of a one-time fee.

#### Performance Expectations

5-PS2-1 Support an argument that the gravitational force exerted by Earth on objects is directed down.

Clarification Statement: “Down” is a local description of the direction that points toward the center of the spherical Earth.

Assessment Boundary: Assessment does not include mathematical representation of gravitational force.

This resource is explicitly designed to build towards this performance expectation.

The PBS Learning video of Felix Baumgartner, and book "Gravity" by Jason Chin are used to provide evidence to support the argument that the gravitational force exerted by Earth on objects is directed down. The formative assessment, "Tower Drop" connects the engage phase with the evaluation phase. Students write their ideas on the probe at the beginning of the lesson. At the end of the lesson, they revisit the probe and revise their ideas as needed using evidence.

#### Science and Engineering Practices

This resource is explicitly designed to build towards this science and engineering practice.

Students are using the book "Gravity" and several videos to obtain information that is used to explain their thinking in their responses to the formative assessment probe "Tower Drop" and the letter they write to their friend.

This resource is explicitly designed to build towards this science and engineering practice.

Students use the formative assessment probe "Tower Drop" during the 'Engage' phase to elicit student ideas about gravity. Students can reference their responses to this probe while constructing arguments supporting their answer with classmates. In the explore phase, students view a video of Felix Baumgartner falling to Earth from a stratospheric balloon 24 miles above Earth’s surface. Through this video and reading the book "Gravity", students gather evidence that supports or refutes their initial claims before revisiting the probe in the 'Evaluate' phase. In the evaluate phase, students write a letter to a friend going to visit Australia who is afraid that he will fall off the Earth since Australia is near the “bottom” of the Earth in an effort to convince him that this will not happen. In this letter, they would be constructing an argument using evidence gathered that gravitational force exerted by Earth pulls down.

#### Disciplinary Core Ideas

This resource is explicitly designed to build towards this disciplinary core idea.

This is explicitly addressed using the probe, videos and book in the lesson. It is the focus of the probe Tower Drop which initiates the instruction in the lesson.

#### Crosscutting Concepts

This resource appears to be designed to build towards this crosscutting concept, though the resource developer has not explicitly stated so.