Who invented the home security system?

• Annie Easley

• Elijah McCoy

• Bill Gates

• Marie Van Brittan Brown

What did Luis von Ahn create to help people learn new languages?

• Automatic engine lubricator

• Duolingo app

• Disaster robots

• Microsoft

What machine did Cyrus McCormick invent?

• Smartphone

• Electric car

• Home security system

• Reaper

What year was the patent filed for the first closed circuit TV security system?

• 1966

• 2011

• 1831

• 1975

What does a patent give an inventor?

• A medal

• Unlimited funding

• A lifetime achievement award

• The right to be the only one to make or sell their invention

What was the main problem that led to the invention of the reaper?

• High oil prices

• Software not being user-friendly

• Crime in neighborhoods

• Difficulty in harvesting crops by hand

Who helped invent disaster robots?

• Robin Murphy

• Marie Van Brittan Brown

• Cyrus McCormick

• Luis von Ahn

What was the main benefit of Elijah McCoy's invention?

• It made learning languages easier

• It allowed engines to be lubricated while they ran

• It made computers easier to use

• It provided an alternative to oil energy

What year did Bill Gates and his partner create Microsoft?

• 1831

• 2011

• 1975

• 1966

What did Annie Easley's programs help with?

• Home security

• Solar and wind energy projects

• Language learning

• Harvesting crops