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Rebuilding a Snack-Cup Holder

Use a school snack lab's build records and test results to explain how small pieces 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
15 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 small pieces can be taken apart and arranged into a new object.
Students use piece counts and build records to compare original and rebuilt objects.
Students use test results to judge whether a rebuilt design meets a need.

How to use

Read the snack-lab record together. Ask students to track the pieces before answering, then discuss how the same pieces can make different objects.

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 a Snack-Cup Holder

Use build records and test results to explain how the same small pieces can make a new object.

Read the build record

The school snack lab needs a holder for small tasting cups. Students use 14 identical snap-together wooden sticks. Read the record and use it to answer the questions.

The Snack Lab Record

First, the students built a long guide for the snack table. The guide had two straight rows of seven wooden sticks. They counted 14 sticks in the guide.

Next, the students gently separated the sticks and placed them in a tray. They built a four-pocket cup holder. The bottom used eight sticks. Three short dividers used two sticks each. The students counted 14 sticks in the finished holder.

The sticks in both objects were the same length as before. The students did not cut, bend, paint, or glue them. The sticks were joined in different places to make the new shape.

During a gentle table test, the four-pocket holder kept four empty tasting cups in their pockets. A different wide tray held three cups, but one cup tipped during the test. That tray used 14 sticks, including two sticks from another set.

How many sticks were in the long guide? sticks

What changed when the students made the four-pocket holder from the long guide?