Properties of materials (pg66-72)

Question 1

what are the categories of matter?

Answer 1

gas, solid, liquid

Question 2

define compressive strength

Answer 2

the strength of an object that stops it from being crushed or changing shape when it is pushed or squeezed

Question 3

define tensile strength

Answer 3

the strength of an object that stops it from breaking when it is pulled apart

Question 4

define flexibility

Answer 4

the ability to bend easily

Question 5

define melt

Answer 5

when a substance changes from a solid to a liquid

Question 6

define melting point

Answer 6

the temperature at which a substance melts as it changes from a solid to a liquid

Question 7

define boil

Answer 7

when a liquid starts to bubble and change into a gas

Question 8

define boiling point

Answer 8

the temperature at which a liquid turns into a gas

Question 9

what is an electrical conductor?

Answer 9

materials that allow electricity move through them

Question 10

what is an electrical insulator?

Answer 10

materials that DO NOT allow electricity to move through them

Question 11

what is waters boiling point?

Answer 11

100 degrees Celsius