Heating Curves

Presentation

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Science

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9th - 11th Grade

•

Medium

•

NGSS

MS-PS1-4, MS-ESS2-6, MS-PS3-4

Standards-aligned

Nicole Kerr-Walker

Used 67+ times

FREE Resource

5 Slides • 10 Questions

Heating Curves

Heating Curve

is a graph which shows the heating of a substance and its changes of state of matter.

Melting Point

The first horizontal line is the constant temperature for change of solid to liquid. This the the melting point e.g. mpt water = 0^oC

https://www.youtube.com/watch?v=isOtNOo1g68

Multiple Choice

What is the melting point of water?

100^oC

25^oC

0^oC

Boiling Point

The constant temperature when liquid changes to gas. This is the second horizontal line in the heating curve (bpt water = 100^oC).

Identify on the heating curve

a) liquid

b) gas

c) boiling point

What is the temperature at which this liquid boils?

Fill in the Blanks

Type answer...

Multiple Choice

In which region(s) of the graph would the substance be a liquid and a gas at the same time?

Region 1

Region 2

Region 3

Region 4

Region 5

Multiple Choice

In which region(s) does temperature remain constant?

Region 1, 3, & 5

Region 2 & 4

Region 1 only

Region 1 & 2

Multiple Choice

Given the heating curve of a solid being heated at a constant rate, how much total time was required to boil this substance after it reached its melting point?

3 minutes

4 minutes

10 minutes

14 minutes

Multiple Choice

Given the heating curve of a solid being heated at a constant rate, what is the boiling point of this substance?

20°C

50°C

110°C

170°C

Multiple Choice

The melting point of the sample is

-60 ºC

-100 ºC

60 ºC

100 ºC

Multiple Choice

Between which points is the temperature of the substance remaining constant?

A-B only.

A-B, C-D, E-F

B-C only.

B-C, D-E

Multiple Choice

Describe the substance between letters D and E.

Gas

Liquid

Melting

Evaporating

Poll

Can you explain heating curves to another classmate?

Yes with confidence

Yes but I need to read more

No, I understand some but not all

No way, please re-explain

Heating Curves

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