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Weather

Density

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Materials Needed

  • ISN
  • Colored pencils
  • Pencil
  • Density cubes
  • Rulers
  • Scales

Teacher Demo:�Blue colored cold water�Red colored Hot water�4 mason jars�Stiff plastic dividers

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Homework

NONE. You should be done your own section of your Thermal Energy Reports.

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Mindful Minute

Deep presence is always available to you.

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ToC

Density: Hot & Cold

40

Density Cubes

41

Weather in a Basin

42

Pressure in a Jar

43

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Weather maps finish - per. 3 & 5

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Density - Hot & Cold - P. 40

Focus Questions: What happens when hot and cold water are put in contact?

Situation 1 ABSENT? Watch this video. �Claim �Observations� Cold

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Hot

Before After

Reason

Look at p. 45, Air Pressure reading for ideas to help you explain.

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Density - Hot & Cold - P. 40

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Situation 2 �Claim �Observations� Hot

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Cold

Before After

Reason

Look at p. 45, Air Pressure reading for ideas to help you explain.

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Density Cubes - p. 41

Eureka! Density (5 min.)

Vocabulary: Density is the degree of compactness of a substance. It is calculated by Density = Mass Units = g/mL or g/cm3. � Volume

Background:�Claim: These cubes made of different metals have the same volume, and the (same/different) density.

Evidence: Note: Fe = iron, Al = aluminum, Zn = zinc, Cu = copper, Pb = Lead�Br = brass (on the periodic table Br = bromine; brass is an alloy, a combination of metals; it’s not an element)

Reason:

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