Understanding Wedges Quiz

What is a wedge?

• A tool used to measure things

• A piece of soft material with a flat surface

• A hard material with sloping sides that meet at a sharp edge

• A machine that spins

What does a wedge do when it’s pounded into something hard?

• It gets stuck

• It bends the object

• It slides off

• It splits the object apart

Which of these is an example of a wedge mentioned in the text?

• A toothbrush

• A soccer ball

• The blade of an ax

• A bicycle tire

How do wedges provide a mechanical advantage?

• They move very fast

• They use batteries

• They turn small effort into greater force

• They require more people to use them

What part of your body acts like a wedge?

• Your fingers

• Your toes

• Your teeth

• Your ears

What happens when you bite food with your front teeth?

• Your teeth mash the food

• Your teeth slice the food

• Your teeth roll the food

• Your teeth stretch the food

What simple machine is the zipper slider an example of?

• Lever

• Wedge

• Pulley

• Screw

According to the passage, which of the following was NOT mentioned as a use of wedges in the Stone Age?

• Making music

• Hunting

• Farming

• Cutting wood

Why does the author say “Think about that as you’re brushing your mouth wedges tonight”?

• To teach about dental health

• To make the text funny and memorable

• To scare readers

• To talk about toothpaste