Chapter 6 Section 3

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Chapter 6 Section 3

• Thermal Energy and States of Matter

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Observations

1. What is the matter in this beaker made of?
2. What states of this matter are present?
3. What will happen if it sits here for a while?

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Three States of Matter

1. All _____ exists in 3 different forms, they are
   _______, _______ and _________
2. Are ice liquid water made up of the same
   substance?
3. How are ice and liquid water different?

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Three States of Matter
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Solids

1. The _________ of a solid dont move out of place,
   but they ________ back and forth in one place.
2. Solids have a fixed ______ a fixed ________.

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Liquids

1. The particles of a liquid ______ around, but
   they are still held _____.
2. Liquids dont have a fixed ______ but do have a
   fixed ______.

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Gases

1. The particles of gases move _______, they dont
   _____ together.
2. Gases dont have a fixed ______ or _______.

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Draw each identify the state

• Explain at least 3 differences between each
  picture.

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Changes of State

1. Changes of state depend on ______ ______ being
   absorbed or released.
2. What is thermal energy?
3. If you heat a solid, it will ________.

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Changes of State

1. What happens to matter when you take heat away?
2. If you take heat away from a liquid, it will
   ________.
3. If a liquid gains heat, it _____________.
4. If a gas loses heat, it __________.

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Changes of State
During a change of state, the thermal energy of
an object _____________, while the temperature
______ ____ _______.
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Review

1. What are the 3 states of matter?
2. How does a change of state happen?
3. What is the difference between boiling
   evaporating a liquid?

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Review

1. Why does matter expand when it is heated?
2. How many different forms or states does matter
   exist in on Earth?
3. What is the temperature at which a solid changes
   into a liquid called?

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Review

1. When vaporization only takes place at the surface
   of a liquid, that is called _____________.
2. What is the term used to describe the expansion
   of matter when it is heated?

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Review

1. What is one common way thermal expansion is used?
2. What happens to substances when they are cooled?
3. The most disorganized state of matter is the
   _____ state.

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Review

1. During a change of state, the addition or loss of
   _________ energy changes the arrangement of
   particles in the substance.
2. A thermometer uses the ability of liquids like
   alcohol and mercury to ________ when heated.

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Review

1. Boiling is vaporization that takes place at or
   ______ the surface of a liquid.
2. As a substance changes state, there is no change
   in the __________ of the substance, only in its
   thermal energy.

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Review

1. In hot and dry places, fountains are used to cool
   down backyards, how does this happen?

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Interactive Tutorials
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