The document discusses chemical and physical properties of matter. Chemical properties describe characteristics only observed when a substance changes into a different substance, such as combustibility and reactivity. Physical properties can be observed without a chemical change and include characteristics like color, texture, hardness, and conductivity. The document provides examples of substances that demonstrate different chemical and physical properties and links to videos that show chemical reactions and properties in action.
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This powerpoint talks about the law Conservation of Mass. You will know who,when and how the discoverer found the Law of Conservation of mass. This is a work that is very good, because it has lots of images, example and you will undestand everything because the vocabulary is simple and anyone can understand it
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The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
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3. Chemical Properties
• Types of Chemical
Properties:
• Combustible/flammable:
• able to burn
• Examples & Facts:
• all chemicals come with a
label that identifies their level
of flammability
4. Chemical Properties
• Types of Chemical
Properties:
• Combustible/flammable:
• able to burn
• http://youtu.be/EZ3JT2nWfMA
− 1:30 Combustion of Mg
• Examples & Facts:
• oxygen & hydrogen are very
flammable gases
• carbon dioxide is not a very
flammable gas
5. Hay Bale combusting
• http://www.youtube.com/watch?
v=zRNCrHqD0zE
• Stop at 35 seconds
6. Chemical Properties
• Types of Chemical Properties:
• Reactivity:
• how easily a substance reacts
with another substance
• http://youtu.be/sS3cIK9jlB8
− 1:10 min Alkali metals reaction to water
• Examples & Facts:
• many chemicals react with
water or oxygen
• all chemicals come with a
label that identifies their level
of reactivity
7. Chemical Properties
• Types of Chemical
Properties:
• Reactivity:
• how easily a substance
reacts with another
substance
• Examples & Facts:
• corrosion: slow reaction
& wearing away of metals
(rusting, tarnishing)
10. Physical Properties
• Types of Physical Properties:
• color
• texture
• odor
• taste
• hardness
• magnetic
• boiling, melting, & freezing points
11. Physical Properties
• Types of Physical
Properties:
• Luster:
• shininess or dullness
• Examples & Facts:
• most metals are shiny
• diamonds have a lot of
luster
• many minerals are dull
12. Physical Properties
• Types of Physical Properties:
• Brittleness:
• how easily a substance breaks into
pieces
• Examples & Facts:
• very brittle substances
may crumble or break
with very little force
13. Physical Properties
• Types of Physical Properties:
• Brittleness:
• how easily a substance breaks into
pieces
• Examples & Facts:
• many rocks & minerals
are brittle
• chalk is brittle because
it crumbles easily
14. Physical Properties
• Types of Physical
Properties:
• Malleable:
• can be pounded into shapes
• Examples & Facts:
• aluminum is very malleable
• clay is also malleable
• substances that are malleable
are usually not very brittle
16. Physical Properties
• Types of Physical Properties:
• Ductile:
• can be pulled out into a long wire
• Examples & Facts:
• substances may be both malleable
& ductile
• copper is very malleable &
ductile
• substances that are ductile
are usually not very brittle
17. Physical Properties
• Types of Physical Properties:
• Conductive:
• can transmit heat and/or electricity
• Examples & Facts:
• a substance may conduct
heat, electricity, neither, or both
• most metals are good
conductors
18. Physical Properties
• Types of Physical Properties:
• Conductive:
• can transmit heat and/or
electricity
• Examples & Facts:
• pots & pans are made out of metals
that are good heat conductors
19. Physical Properties
• Types of Physical
Properties:
• Soluble:
• can be dissolved in a liquid
• Examples & Facts:
• substances that are “water-
soluble” will dissolve in water
• salt & sugar are soluble in
water
• substances that don’t dissolve
are “insoluble”
20. Overview of Physical &
Chemical properties
• http://youtu.be/oF0lN0jZYx0
• Physical and Chemical Properties
visual 2:30 min
• http://www.youtube.com/watch?
v=C4pQQQNwy30
• Chemistry - The Physical
Properties and Chemical Properties
of Matter
− 6 min
21. Models are
representations of
objects or systems.
Models can be used for:
• Understanding something
• Predicting
• Picturing things in your mind
• Explain scientific theories
25. Limitation of Models
• They don’t act exactly like the
things they model or they may
not look like the things they
represent. Scale might be
incorrect.
• What is wrong with this model?
26. Extra information on
Chemical & Physical
• http://education-portal.com/academy/lesson/matter-physical-and-chemical-
properties.html#transcript Just watch from 1:50 to 4:20 on video
• http://www.youtube.com/watch?v=ritaljhhk7s Pharaoh Snake Reaction (Mercury(II)
thiocyanate decomposition) 3:11 min
• http://www.youtube.com/watch?v=PQ6IsCbNZAQ Sulfuric Acid vs Sponge - Chemical
Reaction 1 min
