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Pennants for the Capture-the-Flag Field

Compare material-test observations to choose waving pennants and number cards for a capture-the-flag field.

Grade 2ScienceInteractive · Printable

Aligned to2-PS1-2

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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, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

Students compare observations of how materials move, resist tearing, and take pencil marks.
Students choose materials with properties suited to waving pennants and still number cards.
Students identify fair comparisons and limits of material-test evidence.

How to use

Read the investigation aloud and pause at each tool picture. Have students compare the observations, then explain a material choice using evidence from both tests.

Curriculum

NGSS standard covered

2-PS1-2

Test materials to decide which has the properties that are best for a job.

Preview

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Name Date

Pennants for the Capture-the-Flag Field

Use pictures and test observations to choose materials for two jobs.

Visit the Test Stations

Read about the tests. Each tool picture marks a station. Use the observations to answer.

Getting the Field Ready

A recreation club is setting up a capture-the-flag field. Small pennants will hang from a rope beside the field. The club wants pennants that wave in a breeze and resist tearing when pulled. Elena tests tissue paper, thin cotton cloth, card stock, and stiff plastic. Card stock is thick paper. An adult prepares equal-sized rectangles of each material.

At the fan station, Elena clips the top edge of each sample to the same stand. An adult runs a guarded fan on low. Elena keeps the fan the same distance away and watches each sample for ten seconds. She records how it moves.

At the cube station, Elena uses fresh, equal-sized samples. She clips each one to the stand in the same way. She clips the same small bag to its bottom edge and gently adds five toy cubes. She waits ten seconds and checks for tears.

Fan station: What moved?
Tissue paper: fluttered back and forth.
Thin cotton cloth: fluttered back and forth.
Card stock: hung still.
Stiff plastic: hung still.

Cube station: What resisted tearing?
Tissue paper: tore before ten seconds ended.
Thin cotton cloth: held the bag and five cubes without tearing.
Card stock: held the bag and five cubes without tearing.
Stiff plastic: held the bag and five cubes without tearing.

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