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Bar Codes and Lasers

Bar Codes and Lasers

Assessment

Presentation

English

7th Grade

Medium

Created by

Elise Ferdon

Used 12+ times

FREE Resource

6 Slides • 7 Questions

1

Bar Codes and Lasers

Let's review what we have learned this week.

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2

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3

Multiple Choice

Who invented the bar code?

1

Grocery stores

2

A scientist: Albert Einstein

3

Two engineers: Bernard Silver and Joseph Woodland

4

Walmart

4

Multiple Select

Without bar codes, what did stores have to do by hand? SELECT 2 ANSWERS

1

have price tags

2

record production information

3

keep inventory

4

stock shelves

5

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6

Multiple Select

What information is encoded in the bar code? SELECT 3 ANSWERS

1

price

2

size

3

how much someone spent at the store

4

how many enter and leave the store

5

who put the item on the shelf

7

Fill in the Blanks

Type answer...

8

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9

Open Ended

How are bar codes used today? Name at least 1 example.

10

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11

Multiple Choice

Who invented the first working laser?

1

Albert Einstein

2

Charles Towne

3

Theodore L. Maimain

12

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13

Multiple Select

Check all the things lasers CAN do.

1

Read discs

2

Light up a room

3

Cut metal or fabric

4

Use in surgery

5

Scan bar codes

Bar Codes and Lasers

Let's review what we have learned this week.

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