CKLA Unit 4 Eureka! Flashcard

Front

Who invented the chocolate chip cookie?

Back

Ruth Wakefield

Front

What is a lever?

Back

A simple machine that helps lift or move heavy objects by using a fulcrum.

Front

Who is known for the invention of frequency hopping?

Back

Hedy Lamar

Front

What is a pulley?

Back

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

Front

Who invented over 400 new uses for peanuts?

Back

George Washington Carver

Front

What is a wedge?

Back

A simple machine that is used to split or cut objects apart.

Front

What is a wheel and axle?

Back

A simple machine that consists of a wheel attached to a smaller axle, allowing for easier movement.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help lift objects.

Front

What is crop rotation?

Back

The practice of growing different crops in the same area in sequential seasons to improve soil health.

Front

Who was Thomas Edison?

Back

An inventor known for creating the electric light bulb and many other inventions.