5 QUESTIONS
TIMER: 60 SECONDS PER QUESTION
Garrett Morgan invented a device that changed the way we travel. What was it?
After witnessing a carriage accident at an intersection in 1923, Garrett Morgan created a new kind of traffic signal, one with a warning light to alert drivers that they would need to stop.
After witnessing a carriage accident at an intersection in 1923, Garrett Morgan created a new kind of traffic signal, one with a warning light to alert drivers that they would need to stop.
Which mathematician’s work became the foundation for the Global Positioning System (GPS)?
In the 1970s and 1980s, Gladys West’s precise models of Earth’s shape using satellite data became the framework that made GPS possible. Today, GPS technology is essential to countless industries that rely on geospatial data: surveying and mapping, construction, agriculture, transportation, emergency response and so many others.
In the 1970s and 1980s, Gladys West’s precise models of Earth’s shape using satellite data became the framework that made GPS possible. Today, GPS technology is essential to countless industries that rely on geospatial data: surveying and mapping, construction, agriculture, transportation, emergency response and so many others.
True or False: Madam C.J. Walker became the first self-made female millionaire in America by inventing and selling a line of hair care products.
True. Madam C.J. Walker, born Sarah Breedlove, developed her own hair products like “Glossine and Pressing Oil” and the “Wonderful Hair Grower” to promote healthy hair for Black women.
True. Madam C.J. Walker, born Sarah Breedlove, developed her own hair products like “Glossine and Pressing Oil” and the “Wonderful Hair Grower” to promote healthy hair for Black women.
Alexander Miles invented the automatic opening and closing of what kind of doors?
In 1887, Alexander Miles developed innovations for elevator doors, making it possible for the doors to automatically open and close. His work ensured much safer and more convenient elevator rides.
In 1887, Alexander Miles developed innovations for elevator doors, making it possible for the doors to automatically open and close. His work ensured much safer and more convenient elevator rides.
In 1966, Marie Van Brittan Brown was concerned about the safety of her neighborhood and the slow response time of police. What did she invent as a result?
Marie Van Brittan Brown patented the first home security system, which was made of peepholes, a camera, monitors, a two-way microphone and an alarm button. These items created a closed-circuit television system for surveillance, also known as CCTV.
Marie Van Brittan Brown patented the first home security system, which was made of peepholes, a camera, monitors, a two-way microphone and an alarm button. These items created a closed-circuit television system for surveillance, also known as CCTV.