chapter 2: physical properties of matter Flashcards
1
Q
What are different classes of materials?
A
Ceramics, glass, fibres, metals, plastic
2
Q
What is the definition of electrical conductivity?
A
How well electricity flows through the material
3
Q
What is the definition thermal conductivity?
A
How well heat flows through them
4
Q
What is the definition strength?
A
Ability to support weight
5
Q
What is the definition hardness?
A
Ability to withstand scratches
6
Q
What is the definition flexibility?
A
ability to bend and return to its original state
7
Q
What is the definition density?
A
Ability to float or sink
8
Q
What is the formula to find the density of an object?
A
Density (kg/mᶟ or g/cmᶟ)= MASS/ VOLUME
9
Q
Higher density than water?
A
Sink
10
Q
Lower density than water?
A
Float
