How an App Works: teacher key

How Apps Work, grade 6 edition, written for 6th grade. Apps are programs written by developers and run on phones. Learn how they talk to servers, ask for permission and handle money.

Read the book. Print this page for the key.

Questions and answers

1. Who makes apps?
   • Servers
   • Parents
   • Developers (answer)
2. What does a server send back when an app makes a request?
   • A response (answer)
   • A new phone
   • An age rating
3. What can a person do after first answering an app's permission question?
   • Nothing at all
   • Change it in the phone's settings (answer)
   • Ask the server
4. What does the word malware mean in the pages?
   • A phone setting
   • A kind of update
   • Software made to cause harm (answer)
5. What can parents set a phone to make a child do before getting an app?
   • Ask a grown-up (answer)
   • Pay first
   • Wait a year

Words

• developers: app makers
• server: sending computer
• database: stored information
• permission: being allowed
• malware: harmful software