Screw and Mechanical Advantage Quiz

What is a screw described as in the passage?

• A piece of wood used to hang signs

• A sharp tool used to break rocks

• A simple machine that makes jobs easier

• A tool for measuring circles

Where can you find many screws, according to the passage?

• Grocery stores

• Hardware stores

• Bookstores

• Toy stores

Who helps build the set for Eureka!?

• Mr. Edison

• Jacques

• Professor Carver

• Ms. Lamarr

What is Professor Carver building with the screw?

• A boat

• A banner for the judges’ table

• A chair

• A wooden box

Why is using a screw helpful for the professor?

• It makes the wood lighter

• It makes the job take longer

• It makes the job harder

• It makes the work easier and faster

What motion is used to drive a screw into wood?

• Side to side motion

• Up and down motion

• Circular motion

• Bouncing motion

What does the screw do with the circular motion from the screwdriver?

• Turns it into jumping motion

• Turns it into a backward push

• Turns it into a force that drives the screw in

• Turns it into energy for lights

What is meant by “mechanical advantage” in the text?

• Using electricity to power tools

• A way to make a job easier using a machine

• Getting a head start on building

• Cleaning up faster

Why might Professor Carver be able to start on the letter U during his break?

• He has help from other judges

• He is using an electric machine

• Screws make building faster and easier

• He’s only pretending to work

Why does the author include the question about inventors and the light bulb at the end?

• To explain how light bulbs work

• To give a serious ending to the passage

• To make the reader laugh with a joke

• To list all the Eureka! judges