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Changes in Matter

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Information about Changes in Matter
Education

Published on October 31, 2009

Author: dantescience

Source: authorstream.com

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Physical & Chemical Changes : Physical & Chemical Changes MATTER : MATTER Matter is anything which has mass & takes up space All matter is made of tiny particles called ATOMS STATE OF MATTER : STATE OF MATTER There are 3 states of matter: solid, liquid, and gas STATE OF MATTER : STATE OF MATTER SOLIDS Atoms held tightly together Has FIXED VOLUME & FIXED SHAPE STATES OF MATTER(animation) : STATES OF MATTER(animation) STATE OF MATTER : STATE OF MATTER LIQUIDS Atoms not held together as tightly Has FIXED VOLUME & SHAPE CHANGES according to container STATES OF MATTER(animation) : STATES OF MATTER(animation) STATE OF MATTER : STATE OF MATTER GASES Almost no force holding atoms together VOLUME CHANGES & SHAPE CHANGES according to container STATES OF MATTER(animation) : STATES OF MATTER(animation) STATES OF MATTER(animation) : STATES OF MATTER(animation) Properties of Compounds : Properties of Compounds PROPERTIES OF COMPOUNDS : PROPERTIES OF COMPOUNDS Compounds can be classified by their: PHYSICAL PROPERTIES Describes a compounds appearance Examples – color, texture, state of matter PHYSICAL PROPERTIES (texture) : PHYSICAL PROPERTIES (texture) PHYSICAL PROPERTIES (colour) : PHYSICAL PROPERTIES (colour) PHYSICAL PROPERTIES (melting point) : PHYSICAL PROPERTIES (melting point) PROPERTIES OF COMPOUNDS : PROPERTIES OF COMPOUNDS Compounds can be classified by their CHEMICAL PROPERTIES Describes a compounds behavior when mixed with other things Example – baking soda + vinegar Physical Changes in Matter : Physical Changes in Matter Physical Change : Physical Change Physical changes occur when matter changes its property but not its chemical nature. Physical Change : Physical Change Physical property changes could include a change in: Texture, Shape, Size State of Matter Dissolving Physical Change : Physical Change Chemical Changes in Matter : Chemical Changes in Matter CHEMICAL CHANGE : CHEMICAL CHANGE Chemical changes are changes matter undergoes when it becomes new substance or different matter. These “changes” are called chemical reactions CHEMICAL CHANGE : CHEMICAL CHANGE A chemical change occurs when fireworks are used. Fireworks are made of metals such as magnesium and copper. These change chemically as they light up the sky. FIREWORKS : FIREWORKS CHEMICAL CHANGE : CHEMICAL CHANGE How do you know if there is a chemical change? CHEMICAL CHANGE : CHEMICAL CHANGE Signs of a chemical change include: Changes in colour Formation of bubbles or a solid (called precipitate) Production of, heat, light or smoke 1. COLOUR CHANGE : 1. COLOUR CHANGE 2. BUBBLING : 2. BUBBLING 3. FORMATION OF A SOLID (precipitate) : 3. FORMATION OF A SOLID (precipitate) 4. ENERGY RELEASED : 4. ENERGY RELEASED

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