Young's modulus is a physical quantity that represents the elasticity of a material.

This material has a lot of elasticity.

He has difficulty expressing his emotions in words.

He showed his gratitude on his face.

Mr. Young is my new colleague.

This park is a popular spot where young people gather.

What is this material made of?

The success rate of this project is 80%.

What is the volume of this box?

He is a professor of physics.