This document discusses physical and chemical changes in matter. It begins by outlining key questions about how matter changes and objectives to analyze how matter changes physically and chemically. It then provides examples of physical changes like tearing paper, folding a handkerchief, and mixtures. Chemical changes form new substances, like rusting iron or souring milk. Finally, it defines physical changes as changes in size, shape or appearance without new substances, while chemical changes result in new substances and altered properties.
Changes in matter are classified into physical and chemical changes.Physical Changes are those in which the identifying properties of substances remain unchanged. Chemical Changes are those in which new substances with new properties are formed.
Changes in matter are classified into physical and chemical changes.Physical Changes are those in which the identifying properties of substances remain unchanged. Chemical Changes are those in which new substances with new properties are formed.
Special Properties of Solid
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A mixture forms when two or more substances are combined such that each substance retains its own chemical identity. Everywhere around us are made up of mixtures. We can see them in nature, along the surface of the earth, in the oceans and in the foods we eat. There are infinite numbers of mixtures that can be combined into homogeneous or heterogeneous.
This presentation is about the changes which we see in our day to day lives. These changes are classified into two types. Physical And Chemical Changes
Heterogeneous and Homogeneous Mixtures are discussed in this presentation. High School chemistry, physical science, environmental science, earth systems, and material science students will benefit from this presentation. All essential introductory concepts are presented here.
Special Properties of Solid
Note:
This powerpoint presentation is also uploaded on my youtube channel. Please come and check it out
SUBSCRIBE TO JDREYES_17 :https://www.youtube.com/channel/UCAIxMXdlhO9vWyNCfProf3A
A mixture forms when two or more substances are combined such that each substance retains its own chemical identity. Everywhere around us are made up of mixtures. We can see them in nature, along the surface of the earth, in the oceans and in the foods we eat. There are infinite numbers of mixtures that can be combined into homogeneous or heterogeneous.
This presentation is about the changes which we see in our day to day lives. These changes are classified into two types. Physical And Chemical Changes
Heterogeneous and Homogeneous Mixtures are discussed in this presentation. High School chemistry, physical science, environmental science, earth systems, and material science students will benefit from this presentation. All essential introductory concepts are presented here.
Matter: States, Changes, Properties and Classification
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Let us now try and define change for the purpose of science. We can define it as an act by which a thing forms or becomes different than its previous self. For instance, when ice melts, it changes into water. Therefore it turns its form from solid to liquid.
LF Energy Webinar: Electrical Grid Modelling and Simulation Through PowSyBl -...DanBrown980551
Do you want to learn how to model and simulate an electrical network from scratch in under an hour?
Then welcome to this PowSyBl workshop, hosted by Rte, the French Transmission System Operator (TSO)!
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PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
- Visualization tools to display your network;
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The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
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In a second workflow supporting the same use case, you’ll see:
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2. KEY QUESTIONS
How does matter become
beneficial to our everyday life?
Why
it is important to
understand the properties and
the different types of matter?
How
can matter change?
5. THINK-PAIR-SHARE
A. Work in pair (or group) and do the
following activities.
- tear a piece of paper
- mold clay into different shapes
- fold a handkerchief into two
B. Observe on the materials while doing the
activity. Ask them the changes that took
place to the materials.
8. PHYSICAL CHANGES IN MATTER
A Physical change is a change in how matter
looks, but not the kind of matter is it is.
Tear
- Cut
Folded
Mixture
Solution
- plates broken into
pieces
9. DIFFERENT EXAMPLES OF PHYSICAL CHANGE
1. Ice becomes liquid when they are heated. This process
of changing solid to liquid is called melting
Sublimation – is the process of changing solid matter
to gas without passing the liquid state.
10. DIFFERENT EXAMPLES OF PHYSICAL CHANGE
2.Mothballs – undergo the process of sublimation once
they are exposed to air.
Sublimation – is the process of changing solid matter
to gas without passing the liquid state.
11. DIFFERENT EXAMPLES OF PHYSICAL CHANGE
3.When water is placed inside a freezer, it becomes ice.
This process is called freezing.
Some liquids, like oil and melted butter become hard and
turn to solid when cooled.
Freezing and cooling can change liquid to solid.Freezing
is a change from liquid to solid at a constant
temperature.
12. DIFFERENT EXAMPLES OF PHYSICAL CHANGE
4. When you boil water, you will observe water vapor or
steam coming out of the container.
Water vapor or steam is the gaseous phase of water.
When we turns into water vapor, the water evaporates.
Evaporation is the process of changing liquid to gas at
a constant temperature or just below its boiling point.
13. DIFFERENT EXAMPLES OF PHYSICAL CHANGE
5. When you put some cold water in a drinking glass,
droplets of water are formed outside of the glass.
When vapor in the air touches a surface, it turns into
liquid. This process of changing gas to liquid is called
condensation.
27. GENERALIZATION
Matter can change from one
form to another.
Physical change is a change in
size, form, or appearance with
no material or substance
formed.
Chemical change is any change
in the properties of matter and
results in the formation of a
new substance