Material Science Quiz

What do you feel in your hands and arms as you push on a heavy object?

• Cold

• Itchiness

• Vibration

• Heat

What determines the shape and rigidity of a solid object?

• Color

• Size

• Intermolecular forces

• Weight

What is stress in an object an expression of?

• External forces

• Internal temperature

• Color

• Weight

What is the equation for stress?

• A + F

• F x A

• A/F

• F/A

What happens to the atoms on the side of a shelf experiencing compression?

• They disappear

• They get closer together

• They stay the same

• They move apart

What is the fractional change in an object's length called?

• Mass

• Strain

• Volume

• Density

What is the ratio of stress to strain called?

• Young's modulus

• Modulus ratio

• Elasticity ratio

• Young's ratio

What happens when a material is stressed too far?

• It becomes stronger

• It returns to its original shape

• It disappears

• It fractures

What is stress-induced deformation that is not temporary called?

• Elastic deformation

• Plastic deformation

• Permanent deformation

• Temporary deformation

What has greater tensile strength than equally sized strands of steel?

• Spider webs

• Rubber

• Wood

• Plastic