Brilliant Minds
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Word Wizard
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100

This inventor experimented for two years before finding a bamboo filament that lasted 1,200 hours.

Who is Thomas Edison?

100

This invention depended on finding the right filament that would glow without burning up too quickly.

What is the light bulb?

100

A ramp is an example of this simple machine.

 What is an inclined plane?

100

 This word means eager or excited.

What is avid?

100

Because of this invention, factories could run at night.

What is the light bulb?

200

After a serious car accident, this inventor began swimming in the sea and later helped invent equipment that allowed people to breathe underwater for hours.

Who is Jacques Cousteau?

200

This invention turned sound vibrations into electrical signals and then back into sound again.

What is the telephone?

200

This simple machine has a beam and a fulcrum.

What is a lever?

200

 These are the people who supervise television production.

Who are producers?

200

Because of this invention, families gathered to listen to music and news together at home.

What is the radio?

300

This inventor studied art in college before becoming a scientist and helping Southern farmers improve their soil using crop rotation.

Who is George Washington Carver?

300

This invention succeeded because the inventors focused on controlling pitch, roll, and yaw.

What is the airplane?

300

This simple machine uses a wheel and rope to lift heavy objects.

What is a pulley?

300

This word means not significant or modest.

What is humble?

300

Because of this invention, doctors could finally see bacteria.

What is the microscope?

400

This inventor worked with composer George Antheil and developed frequency hopping to prevent enemies from blocking torpedo signals during World War II.

Who is Hedy Lamarr?

400

This invention was created by mixing tree bark, old cloth, and fishing nets into a paste that dried into thin sheets.

What is paper?

400

This simple machine has threads and turns circular motion into force.

What is a screw?

400

This word means detailed and complicated.

What is intricate?

400

Because of this invention, people could quickly call for help in emergencies.

What is the telephone?

500

As a teenager, this inventor improved a complicated military code called “night writing” into a simple raised-dot alphabet for people who are blind.

Who is Louis Braille?

500

This invention began when a shop owner experimented with a double-convex lens attached to a brass plate, and later allowed scientists to see single-celled organisms.

What is the microscope?

500

An ax blade is an example of this simple machine.

What is a wedge?

500

This word refers to a weighted, swinging lever that regulates the speed of a clock.

What is a pendulum?

500

Because of this invention, sailors could avoid getting lost at sea.

What is the clock?

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