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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 Change When a candle burns we see both physical and chemical change. PHYSICAL CHANGE WAX MELTING CHEMICAL CHANGE WAX BURNS.
Topic 2 – Changes in Matter
Physical and Chemical Changes
Chemical Property - The ability of a substance to change into another new substance - This type of property can only be observed through experimentation.
2.4 Chemical Reactions > 1 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.. Chapter 2 Matter and Change 2.1 Properties of.
Physical & Chemical Change. Physical Change: a change in which no new substance is produced e.g.
Any ability to produce a change in the composition of matter
Topic: Chemistry Aim: How does matter change? Do Now:
Physical & Chemical Changes
Chemistry Vocabulary: Part 2
Reviewing MATTER Matter: anything that has mass and volume
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.
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.
By: Je’vante, Ashaunti, Tae’shaun, and Maria 3 rd Period PHYSICAL AND CHEMICAL PROPERTIES.
Physical and Chemical Changes Unit 2—Part II. Concept of Change Change: the act of altering a substance.
Physical and Chemical Changes. Concept of Change Change: the act of altering a substance.
Characteristic & Non-Characteristic Properties
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