Famous Inventors
Cool Inventions
Old vs. New
What's It For?
Tech Vocabulary
100

Who created the light bulb? 

Thomas Edison

100

What invention allowed real-time voice communication across long distances and became a foundation for modern telecommunications?

Telephone 

100

What did people use before computers to write letters? 

Typewriter

100

You use this in school to show lessons on a big screen? 

Projector

100

What do we call a website or program where people can share videos, photos, and updates with friends?

Social media

200

Who created the first telephone? 

Alexander Graham Bell

200

What invention helped scientists see very small things like cells and bacteria? 

Microscope

200

What did people use before cars for long distance travel? 

Horse and carriage

200

What object transfers electrical energy through a cable or plug? 

Charger

200

What’s the word for a secret group of numbers or letters that protects your account?

Password

300

Who were the brothers who invented the first airplane? 

Orville and Wilbur Wright 

300

What invention made it possible to copy books and spread ideas quickly in Europe? 

Printing press

300

Before streaming platforms and digital downloads, what physical format was used to watch movies at home? 

VHS tape or DVD

300

What invention helps you store food for days without it going bad? 

Refrigerator

300

What do we call a place on the internet where information is stored and people can visit? 

A website

400

Who created Microsoft? 

Bill Gates

400

What system uses satellites to track your movement and help you find the fastest way to a location? 

GPS

400

Before people searched for information online, what printed resource was used to look up facts?  

Encyclopedia

400

What machine helps doctors see inside a humans body without surgery? 

X-ray machine 

400

What is the name for a connection that lets devices access the internet without cables?

Wifi 

500

Who invented the iPhone? 

Steve Jobs 

500

What machine, powered by steam, helped run trains and factories during the Industrial Revolution?

Steam engine

500

Before email and text messages, what was a faster alternative to letters used to send short messages quickly? 

Telegram

500

What machine creates physical objects from digital designs by building them layer by layer using materials like plastic? 

3D Printer

500

What’s the word for harmful software that can damage your computer or steal information?

Virus