Unit 1

Question 1

Complete the chart

State of matter- solid liquid, gas

Answer 1

Solid- definite volume & definite shape
Liquid- definite volume no definite shape
Gas- no definite volume no definite shape

Question 2

What is the volume in the picture provided on page 1

Answer 2

36.5

Question 3

What is the meniscus

And where do you measure it from

Answer 3

Meniscus- curve of water when put in a container

Measure it from the bottom

Question 4

There is a phase-change diagram on page 2.

What legs’ temperatures are increasing and decreasing?

Answer 4

legs A C & E

Question 5

Explain what is happening during leg b and d

Answer 5

Phase change

Question 6

Describe intermolecular forces at all legs on diagram (page 2)

Answer 6

A- close
B- close
C- medium
D- far apart 
E-far apart

Question 7

Particles move as the state of matter change from low to high temps. Describe attractive forces

Answer 7

Solid- tightly packed
Liquid- slide past each other
Gas- float everywhere really fast

Question 8

Heat (thermal energy) flows from objects/areas with a _____ temperature to objects with a _____ temperature.

Answer 8

High & low

Question 9

Describe the molecular make-up of a material that is generally a good conductor

Answer 9

Packed together/densely packed atoms with loosely held electrons