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Properties of Matter

Properties of Matter: Investigation 1 - Elements, Compounds, Mass, and Volume

In Investigation One, students will observe the physical, quantitative properties of mass and volume to explore the identity of various unknown elements and compounds. During this Investigation, students will:

  1. Observe physical properties such as size, shape, color, and texture of six unknown substances.
  2. Measure the mass in grams (g) of each substance using a triple beam balance.
  3. Measure the volume in cubic centimeters (cm3) using the water displacement method in a graduated cylinder.

Properties of Matter: Investigation 2 - Density and Chemical Reactivity

In Investigation Two, students will calculate the density of six unknown substances then observe these substances undergo a chemical reaction. During this Investigation, students will:

  1. Calculate the density of six unknown substances using the mass and volume recorded from Investigation 1 using the formula: mass/volume.
  2. Observe six unknown substances undergo a chemical reaction when placed in iron chloride, acetic acid, or silver nitrate.

Properties of Matter: Investigation 3 - Solubility and Miscibility

In Investigation Three, students will explore the solubility and miscibility of several substances in water. During this Investigation, students will:

  1. Observe whether five solid compounds are soluble in water or not.
  2. Observe whether three liquid compounds are miscible in water or not.

Properties of Matter: Investigation 4 - Compounds and pH

In Investigation Four, students will explore the pH of several solid and liquid compounds. During this Investigation, students will:

  1. Determine the pH of several liquid and solid compounds in solution.
  2. Identified each solution as acidic, neutral, or alkaline (basic).

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Properties of Matter