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How a Zipper Works

Read a grade 2 technical article about how a zipper's teeth, slider and stops work, then answer questions about details, words and history.

Grade 2ELAInteractive · Printable

Aligned toRI.2.10

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
10 questions
Classroom-ready

Details

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

About this worksheet

What students practice

Students read and understand a grade 2 technical text about how a zipper works.
Students use key details to explain how the parts of a zipper work together.
Students use context to work out the meaning of words in a technical text.

How to use

Let students read the article on their own or with a partner. If you have a jacket with a zipper, show the teeth and slider before they answer.

Curriculum

Common Core standard covered

RI.2.10

By the end of the year, read and understand grade 2-3 informational texts in history, science, and technical subjects, with support at the high end.

Preview

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Name Date

How a Zipper Works

Read a how-it-works article and answer questions about it.

Read the article

Read the article. The paragraphs are numbered.

How a Zipper Works

1Zip! With one quick pull, your jacket is closed. A zipper looks simple, but it is a clever tool. Before zippers, people closed their clothes with buttons, hooks, laces and ties.

2A zipper has two strips of cloth. Each strip has a row of small teeth along one edge. The teeth can be made of metal or plastic. A part called the slider moves up and down over the teeth. You move the slider by pulling its little tab.

3Each tooth has a tiny bump on top and a tiny hollow underneath. When you pull the slider up, it presses the teeth from the two sides together. The bump on each tooth fits into the hollow of the tooth above it. The teeth lock like puzzle pieces, so the zipper stays closed.

4When you pull the slider down, a small wedge inside it pushes the teeth apart. Small stops at the top and bottom keep the slider from sliding off.

5At first, zippers were used mostly on boots and bags. Later, people began to sew them into jackets, pants and dresses. Today, zippers are on backpacks, tents and much more.

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