Mobile phone

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/mobile-phone

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the key technological advancements?Includes SMS, internet connectivity, GPS, high-resolution cameras, and app ecosystems
2. When was the first mobile phone call made?The first public mobile phone call happened on April 3, 1973, when Martin Cooper used a prototype DynaTAC 8000x.
3. How do mobile phones talk to each other?Phones send signals to the nearest cell tower, which routes the call through switches, routers, and sometimes the internet or telephone network.

Cellular Network: A communication system that divides geographic areas into smaller 'cells,' each served by a base station (cell tower).
Handoff: The process by which a mobile phone call or data session is transferred from one cell tower to another as the user moves.
Internet of Things (IoT): A network of physical devices embedded with sensors, software, and other technologies that enable them to connect and exchange data.
Latency: The time delay between the cause and the effect in a system, particularly relevant for data transmission speeds.