Describes a compounds behavior when mixed with other things
Example baking soda vinegar
18 Physical Changes in Matter 19 Physical Change
Physical changes occur when matter changes its property but not its chemical nature.
20 Physical Change
Physical property changes could include a change in
Texture Shape Size
State of Matter
21 Physical Change 22 Chemical Changes in Matter 23 CHEMICAL CHANGE
Chemical changes are changes matter undergoes when it becomes new substance or different matter.
These changes are called chemical reactions
24 (No Transcript) 25 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.
26 FIREWORKS 27 CHEMICAL CHANGE
you know if there is a chemical change
28 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
29 1. COLOUR CHANGE 30 2. BUBBLING 31 3. FORMATION OF A SOLID (precipitate) 32 4. ENERGY RELEASED
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