Computer Science Grade 3 20 min

Permanent vs. Temporary: Understanding Online Content

Students will discuss the difference between permanent and temporary online content.

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Introduction & Learning Objectives

Learning Objectives Define 'digital footprint' using a simple analogy. Differentiate between a permanent online action and a temporary one. Explain that deleting content does not always mean it is gone forever. Identify two ways online information can be saved by others (e.g., screenshots, server copies). Trace the path of a posted photo as a piece of data. Apply the 'Think Before You Click' rule to a real-world scenario. Have you ever tried to erase a drawing made with a permanent marker? 🖍️ What happens when you post something online? Today, we are going to be Digital Footprint Detectives! We will learn how the things we do online can be permanent, like a marker, or temporary, like a pencil. Understanding this helps us make smart and safe choices on th...
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Key Concepts & Vocabulary

TermDefinitionExample Digital FootprintThe trail of digital 'footprints' you leave behind every time you go online. It's made of all the data from your clicks, posts, and messages.Liking a video, posting a photo of your pet, and playing an online game all add to your digital footprint. PermanentSomething that lasts forever or for a very, very long time, like a drawing in permanent marker.A photo posted on a public website is often permanent because other people can save it to their own computers. TemporarySomething that only lasts for a short time, like a drawing in pencil that you can erase.Some game messages disappear after you close the game, but you can't be sure they are truly gone. ScreenshotA picture taken of whatever is on a computer or phone screen. It's...
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Core Syntax & Patterns

The Marker vs. Pencil Rule IF you put it online, THEN treat it like a permanent marker, not a pencil. Use this rule to help you decide what to post. Always assume that what you share online could be permanent, even if it says it's temporary, because you can't easily 'erase' it once it's out there. The Screenshot Rule Anything on a screen can be saved with a screenshot. Remember this rule before sending messages or pictures, even in apps where things are supposed to disappear. The 'disappearing' event doesn't stop someone from capturing the data with a screenshot. The Server Memory Rule Deleting something from your screen doesn't always delete it from the server. When you click the 'delete' button (an event), it s...

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Sample Practice Questions

Challenging
An app claims that 'All messages disappear forever after you read them!' Why should a good Digital Footprint Detective still be careful about sending a mean message?
A.Because the message might not send correctly.
B.Because mean messages turn the screen red.
C.Because the other person might not read it in time.
D.Because the other person can take a screenshot before the message disappears.
Challenging
Two friends, Alex and Ben, have an argument. Alex posts a mean comment about Ben online, but deletes it five minutes later. If Ben is still upset the next day, what is the most likely reason?
A.Ben is upset because Alex didn't post a nice comment instead.
B.Ben didn't see the comment and is just guessing.
C.Ben, or another friend, saw the comment before it was deleted, and the hurt from the words is permanent.
D.Ben is upset because deleting the comment broke the internet.
Challenging
If a person ONLY posts kind words, helpful tips, and pictures of their beautiful drawings online, what kind of digital footprint are they building?
A.temporary footprint that will be erased.
B.permanent and positive footprint that shows who they are.
C.very small footprint that no one will ever see.
D.secret footprint that is hidden from everyone.

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