{ Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has...
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Transcript of { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has...
![Page 1: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/1.jpg)
{
Heat and Changes of State
Mr. Perez
![Page 2: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/2.jpg)
Everything made of molecules (or atoms or particles) has heat.
Heat depends on the size AND temperature of an object
Even cold things have heat
Bill Nye Recap
![Page 3: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/3.jpg)
Temperature, thermal energy and heat are all closely related but are NOT the same thing.
Thermal energy- the total energy of all the particles in an object
Heat- is the transfer of thermal energy from a warmer object to a cooler object We measure heat in JOULES
What is heat?
![Page 4: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/4.jpg)
Temperature- average kinetic energy of the particles in an object Measurement of how hot or
cold something is
Temperature
![Page 5: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/5.jpg)
![Page 6: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/6.jpg)
When matter changes from one state of matter to another through a loss or addition of heat, it is called a change of state
Everything is made of matter!
Changes of State
![Page 7: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/7.jpg)
Read p. 47 The three main states of matter
are1. SOLID2. LIQUID3. GAS
Changes of state
![Page 8: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/8.jpg)
Solid Liquid Gas
Shape
Volume
Particle moveme
nt
Particle spacingPrepare a table like this
![Page 9: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/9.jpg)
Solids have a definite shape and a definite volume
Particles in a solid do not move very fast and are very close together; they vibrate in place
A solid that absorbs heat will cause it to melt
A solid that absorbs an extreme amount of heat will cause it to sublimate
Solids
![Page 10: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/10.jpg)
Liquids do not have a definite shape, but do have a definite volume
Particles in a liquid are further apart than a solid and move a lot quicker
A liquid that absorbs heat will cause it to vaporize (evaporate)
A liquid that releases heat will cause it to freeze (solidify)
Liquids
![Page 11: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/11.jpg)
Gases have no definite shape or volume
The particles in a gas are very far apart and move very quickly
A gas that releases heat will cause it to condensate
A gas that releases and extreme amount of heat will cause it to go through depositionGases
![Page 12: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/12.jpg)
Changes of State (draw this)
freezing
![Page 13: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/13.jpg)
Florida Science Grade 7, Glencoe Science & McGraw Hill Publishing
Pearsonsuccesnet.com eText Google Images YouTube.com
Resources
![Page 14: { Heat and Changes of State Mr. Perez. Everything made of molecules (or atoms or particles) has heat. Heat depends on the size AND temperature of.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649f205503460f94c390bc/html5/thumbnails/14.jpg)
https://www.youtube.com/watch?v=qJRxYBIfZlE
https://www.youtube.com/watch?v=Gxwj24mREyA (Bill Nye episode)
Extra links