Inside Your Apps: teacher key

How Apps Work, grade 5 edition, written for 5th grade. An app is a program on a phone. Find out who writes apps, how they talk to servers, and what to ask a grown-up first.

Read the book. Print this page for the key.

Questions and answers

1. What is an app?
   • A software program (answer)
   • A piece of equipment
   • A kind of phone
2. Who makes apps?
   • Servers
   • Developers (answer)
   • Databases
3. What does a server do when an app sends a request?
   • It deletes the app
   • It stops the phone
   • It answers with a response (answer)
4. What does the word malware mean in the pages?
   • Software made to cause harm (answer)
   • A phone setting
   • A kind of app store
5. What can parents set up a phone to make a child do before getting an app?
   • Pay in cash
   • Pick a new phone
   • Ask a grown-up (answer)

Words

• software: computer programs
• hardware: the equipment
• server: sending computer
• database: stored information
• malware: harmful software