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Rebuilding at the Green Loop Center worksheet preview

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Rebuilding at the Green Loop Center

Use recycling-center build records to explain how small cardboard tubes can be taken apart and rebuilt into a new object.

Grade 2ScienceInteractive · Printable

Aligned to2-PS1-3

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 NGSS standard
  • Printable answer key
  • 14 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 2
Subject
Science
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

  • Students explain how an object made of small pieces can be taken apart.
  • Students use counts and observations to show how the same pieces can build a new object.
  • Students plan a new object from a set of small pieces.

How to use

Read the build records aloud, then have students use the counts and observations as evidence. Ask students to point to the record that supports each answer.

Curriculum

NGSS standard covered

2-PS1-3

Explain how an object made of small pieces can be taken apart and built into a new object.

Preview

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Name Date

Rebuilding at the Green Loop Center

Use records to explain how small pieces can make a new object.

Read the build record

The Green Loop Recycling Center saves clean materials for making models. Read the record about two builds.

The Tube Models

Jalen and Priya used 12 short cardboard tubes from a recycling bin. They connected the tubes with removable clips to make a tall collection-bin model. The model had four columns with three tubes in each column.

To make a different model, they gently opened the clips and placed the tubes in a tray. They counted 12 loose tubes. Then they used the same tubes to make a wide message-board stand with two rows of six tubes.

The message-board stand was wider and lower than the collection-bin model. The tubes were still the same length, and the students did not cut, paint, or replace any tubes.

1.
Which claim is supported by the build record?
  • A. The tubes changed size when the model changed shape.
  • B. The message-board stand needed a second set of tubes.
  • C. The same small tubes made two different arrangements.
  • D. The collection-bin model had more tubes than the stand.
2.
Circle the TWO observations that support the idea that the original tubes were reused.

The students counted 12 loose tubes after opening the clips.The message-board stand was wider and lower.The tubes were still the same length.The model had four columns.

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