Heating and Cooling Curves/Phase Diagrams

In which region(s) does temperature increase?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

Tags

NGSS.MS-ESS2-6

This curve indicates what about the heat energy?

• heat energy is being added or absorbed
• heat energy is being removed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which segment represents the heat of fusion?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state(s) of matter are present at D-E?

• Solid-liquid
• Liquid
• Liquid-gas
• Gas-Solid

Tags

NGSS.MS-PS1-4

This type of graph is called a:

• Phase diagram
• Heating curve
• State of matter
• Temperature chart

Tags

NGSS.MS-PS1-4

A substance's heating curve is shown in the graph.  What is its boiling point?

• 100 C
• 60 C
• 80 C
• 20 C

Tags

NGSS.MS-PS1-4

Which of these conditions is always true for an exothermic process?

• They leave the surroundings feeling cold
• They release energy into the surroundings.
• They absorb energy from the surroundings
• The reactants gain energy as they form the products

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When the temperature of matter increases the particles...

• speed up and move closer
• speed up and move farther apart
• slow down and move closer together
• slow down and move farther apart

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

From point A to point E, the sample is going through an

• exothermic process by releasing heat to the surroundings

• exothermic process by absorbing heat from the surroundings

• endothermic process by releasing heat to the surroundings

• endothermic process by absorbing heat from the surroundings

Tags

NGSS.MS-PS1-4