Ch 18 Technology

Which of the following is the best definition of technology?

• developing new inventions

• using machines to do work

• designing tools to improve life

• using scientific knowledge for a purpose

What invention led to the invention of DVDs?

• CDs

• PDAs

• plasma televisions

• cellular telephones

Which invention made it possible for many more people to buy cars?

• the assembly line

• gasoline-powered motors

• manufacturing computers

• the internal combustion engine

How were steam engines first used?

• to power boats

• to power trains

• to operate diesel engines

• to operate machines in factories and mines

During World Wars I and II, inventors worked to make airplanes faster and safer for fighting in wars. How did the airplane lead to new technology that has benefited humans?

• The technology was used to develop commercial airliners.

• The technology was used to develop magnetic force technology.

• The technology led to the development of a faster steam engine.

• The technology led to the development of an energy-efficient electric engine.

Tags

NGSS.HS-ESS3-1

Which invention made it possible for computers to process information very quickly and made computers more affordable?

• UNIVAC

• the Internet

• the microchip

• the vacuum tube

What was the name of the first satellite in space?

• International Space Station

• MIR

• Sputnik 1

• Apollo 11

Which of the following led to the invention of the assembly line?

• computer

• automobile

• steam engine

• safety bicycle

How does a scanning electron microscope help people see objects never seen before?

• It uses a computer network to magnify images.

• It uses a proton and electron ray to scan the image.

• It uses a beam of electrons to study an object's surface.

• It uses a computer to link a number of optical microscopes.

What was the first use of the World Wide Web?

• to solve mathematical problems

• to publish books and magazines online

• to help scientists search for information

• to help scientists communicate with each other