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Physical and Chemical ChangesUnit II—Part 2
Concept of Change Change: the act of altering a substance
Physical Change Physical change: a change that occurs that does NOT change the substance Usually Reversible
Examples of Physical ChangeMelting ice (change in state) Freezing Kool-Aid Tearing paper Breaking Glass
Chemical Changes Chemical change: a change that occurs causing the substance to change Is NOT reversible A chemical change is called a chemical reaction
Examples of Chemical ChangesBurning Digesting food Reacting with other substances
Chemical Changes Cont’dSigns of a chemical change: Light Heat Gas Colour change* Formation of a precipitate (solid made from mixing 2 liquids)
Is it Physical or Chemical?Change Physical Chemical Melting cheese Burning wood Milk souring Wadding up paper Bicycle rusting
References Investigating Science Pearson 9 Dercho
Physical and Chemical Changes Unit II—Part 2. Concept of Change Change: the act of altering a substance.
Physical and Chemical Changes. Concept of Change Change: the act of altering a substance.
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Physical and Chemical Changes Unit 2—Part II. Concept of Change Change: the act of altering a substance.
Picture Walk. Physical and Chemical Changes Unit 2—Part II.
Physical and Chemical Changes. Observing involves seeing, hearing, tasting, touching, and smelling. Physical property- are characteristics of materials.
Physical and Chemical Changes Unit 2—Part II Adapted by NCDPI – Unit 2 Matter is all around us.
Physical and Chemical Changes AKS 11: Distinguish between a physical and chemical change.
PHYSICAL & CHEMICAL CHANGES Objectives: 1. Compare and contrast physical and chemical changes 2. Identify examples of physical and chemical changes.
Physical vs. Chemical Properties Part 1 The study of matter.
Physical Change Physical change is a change that occurs that does not change the identity of the substance A change in which matter looks different.
Physical & Chemical Change. Physical Change: a change in which no new substance is produced e.g.
Physical and Chemical Changes. Physical Changes Physical changes- A change that affects one or more physical properties of a substance but does not change.
Mass, color, volume, and weight are examples of physical properties. A physical property can be observed or measured without changing the substance. Example:
Class Opener: Tuesday, September 10 1)Distinguish between a physical change and a chemical change. 2)Is the burning of gasoline is considered a physical.
Chemical Reactions 8.5E Investigate how evidence of chemical reactions indicates that new substances with different properties are formed.
Matter: anything that has mass and volume Mass – the amount of matter in something Volume – the amount of space something occupies Reviewing MATTER.
The Science of Chemistry Chapter – What is Chemistry?
Matter: anything that has mass and takes up space Matter: anything that has mass and takes up space Mass – the amount of matter in something Mass – the.
Sixth Grade Science. Physical Change A physical change is a type of change that does not change what the substance is. If you put a cup of water in the.
Physical and Chemical Changes Mrs. Horn 5 th Grade Science.
Starter: Practice: Agree or disagree with each of these statements: Application: Connection/ Exit:
Chemical Properties & Changes. Objectives Determine what are chemical properties Describe what happens during a chemical change Compare & contrast physical.
Chemical Properties & Physical and Chemical Changes.
Can be observed or measured without changing the matter’s identity Adjective – descriptive word Examples Color Smell Size/Shape Texture/Taste.
Section 3.4—Changes in Matter What type of changes can produce a gas for an airbag? Objective: Distinguish between chemical and physical changes.
Topic 2 – Changes in Matter. Types of Changes Matter can change in one of two ways. 1.Physical change – This is a change in which no new substance is.
Physical and Chemical Properties and Changes. Physical Properties Any characteristic of a material that you can observe easily without changing the substance.
The Grand Gel Challenge!. The Grand Gel Challenge Physical and Chemical Changes of Properties.
Physical and Chemical Changes. What is a Physical Change? A physical change alters the form of a substance, but does not change it to another substance.
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Evidence of Chemical Change TEKS 6.5D identify the formation of a new substance by using the evidence of a possible chemical change such as production.
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PHASE CHANGES Unit I - 2 Hebden Chemical and Physical Characteristics of Compounds Property is a characteristic of a material that can be determined.
Science 9: Unit B – Matter and Change Topic 2: Changes in matter.
Chemical and Physical Changes. Physical Change A Physical change is a change in a substance that does not change what the substance is.
Topic 1 Chemical Reactions. What is a chemical reaction? A chemical reaction can be defined as the process in which changes occur in matter to produce.
Physical Changes: –matter undergoes a change in size, shape, or phase –particles do NOT change –mixtures are included Chemical Changes: –particles of.
CHEMISTRY: ATOMS, ELEMENTS, AND COMPOUNDS Physical & Chemical Changes Combustion Corrosion.
Physical and Chemical Change When a candle burns we see both physical and chemical change. PHYSICAL CHANGE WAX MELTING CHEMICAL CHANGE WAX BURNS.
FIRST LET’S REVIEW : Physical and Chemical Changes Physical Change Chemical Change O Doesn’t create a new substance O Changes the form or shape O Phase.
Formation of a New Substance Heat and Light, Precipitate, Color Change, Temperature Change, Production of Gas.
Chemical Reaction Notes. Matter is everything around you. Matter is anything made of atoms and molecules. Matter is anything that has a mass.
Chemical and Physical Properties. Matter All matter has 2 types of properties: Physical properties and chemical properties.
SC.5.P.9.1. The Effects of Temperature on Physical and Chemical Changes The student knows that common materials (e.g. water) can be changed from one state.
Characteristic & Non-Characteristic Properties. What are “Characteristics” Question: What do we mean when we talk about the characteristics of something.
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