Inferences

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Inferences
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An inference is a statement that attempts to
explain or make sense of an observationIt can
also be defined as the development of ideas based
on observations
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The Dancing Quarter

• Air inside the bottle is warmed. Air expands and
  escapes. The quarter moves.

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Salt and Pepper

• The spoon is electrically charged. It attracts
  the mixture. Pepper rises first because its
  lighter than salt.

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Curious Cup

• Air pressure on the outside of the glass holds
  the paper in place and holds the water in the
  glass.

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The Reappearing Coin

• Light entering and leaving the water is
  refracted (bent) allowing you to see the coin
  again.

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Lights Out 1

• Candle heat expands the air. Air escapes making
  bubbles. The flame goes out and the air is
  cooled. Cool air contracts and allows water to
  enter the jar.

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Lights Out 2

• Gas produced is CO2. CO2 is heavier than air.
  It flows down into the jar and puts out the
  flame.

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The Mystery Tube

• Observations on Lab Sheet
• Answers and Inferences go on Magic Tube Worksheet

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Ice Heist

• Salt melts ice. Water refreezes the string to
  ice.