PS3.D Heating Curves Review

Physical Science Heating & Cooling Curves

​PS SmartBook- Page 2

Converting Temperatures:
^oC +273 = Kelvin
K - 273 = ^oC

​PS SmartBook- Page 5

Adding Energy

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​PS SmartBook- Page 5

Removing Energy

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#9. B & D show change in potential Energy

#10. A, C, & E show change in kinetic energy (Temperature)

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Page 6

Multiple Choice

#1. Which is the freezing point of the substance?

• -5

• 5

• 15

• 25

Multiple Choice

#2. Which is the boiling point of the substance?

• -5

• 5

• 15

• 25

Multiple Choice

#3. Which is the melting point of the substance?

• -5

• 5

• 15

• 25

Hotspot

#4. Which letter represent the range where the solid is being warmed?

Dropdown

#5. Which letter represent the range where the liquid is being warmed?​

Select answer

#6 .... represents a gas being warmed?​

Select answer

Hotspot

#7. Which letter represent the melting of a solid?

Hotspot

#8. Which letter represent the vaporization of a liquid?

Hotspot

#8. Which letter represent the condensation?

Hotspot

#8. Which letter represent the crystallization (freezing)?

Multiple Choice

1. At which point in the graph is the substance a only gas?

• A

• B

• C

• D

• E

Multiple Choice

2. At which point is it a only liquid?

• A

• B

• C

• D

• E

Multiple Select

At what point(s) is a gas present?

• A

• B

• C

• D

• E

Multiple Choice

At what point only a solid present?

• A

• B

• C

• D

• E

Multiple Choice

4. Where is condensation happening?

• A

• B

• C

• D

• E

Multiple Choice

5. At what temperature does the substance begin to condense ?

• 250

• 0

• 20

• 125

• 50

Multiple Choice

6. Where is freezing happening?

• A

• B

• C

• D

• E

Multiple Choice

7. At what temperature does the substance begin to freeze ?

• 250

• 0

• 20

• 125

• 50

Multiple Choice

8. What is the melting point ?

• 250

• 0

• 20

• 125

• 50

Multiple Choice

Bonus: At what time did the substance start to freeze?

• 140

• 0

• 100

• 125

• 50

Multiple Choice

Pg. 8

#2. What does kinetic theory say about the motion of atoms?

• they always move slow

• atoms are in constant motion

• atoms are never moving

Multiple Choice

Pg. 8.

#7. A hazardous chemical is leaking from a tanker truck. Rescue workers need to evacuate people who live near the accident. Which would be more dangerous?

• Gas leak

• Liquid leak

• they both have the same danger