1. States of Matter
Vocabulary
Week 7

2. energy states of matter chemical change physical change
Week 7: Vocabulary
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states of matter
energy
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chemical change
physical change
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3. Friendly Definition
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Analogy/7-up Sentence
The physical forms in which a substance can exist (solid, liquid, gas, and plasma)
states of matter
Definite shape
Definite volume
solid
yes
liquid no
gas
plasma

4. energy - the ability to cause changes, such as in temperature or speed
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- the ability to cause changes, such as in temperature or speed
(measured in joules)
energy
More energy causes heat.
Taking energy away causes cold.
 Changes state of matter

5. physical change Can look different, but still is the same substance
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A change in a substance that does not change its identity.
(change with temperature, pressure, or force)
physical change
Can look different, but still is the same substance
ice (H2O)  water (H2O)  steam (H2O)

6. Friendly Definition
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transforms one kind of matter into another kind with different properties
chemical change
Clues to chemical change:
heat or cold produced
solid formation
bubbles or gas
color change
smell