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Science - Elementary Curriculum
Science - 5th Grade
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Lesson Plans  
 
Standard 1
Students will understand that chemical and physical changes occur in matter.
Objective 1
Describe that matter is neither created nor destroyed even though it may undergo change.
 
USOE-Approved Lesson Plans   USOE-Approved Lesson Plans
  • 5 Experiments of Physical and Chemical Changes
    The Law of Conservation of Mass states that mass is conserved in physical and chemical changes. Students explore this concept by taking initial masses, making predictions, and finding final masses of physical and chemical changes. Students observe water changing from ice to a liquid, a piece of cardboard being cut up, salt dissolving in water, Alka-Seltzer reacting in water, and water’s physical property of cohesiveness being disrupted by soap.
  • Blobber
    Students will mix ingredients to create a chemical change and "Blobber" - a substance similar to silly putty.
  • Changes in Matter, Not in Weight
    Students will explore the law of conservation of mass by tearing paper, observing a reaction between baking soda and vinegar, and predicting whether melting, freezing, and dissolving will cause a change in mass.
  • Fill 'Em Up
    This activity will help students to learn the concept of volume through hands-on activities.
  • Problem Solving
    The students will be able to draw a model to help them write expressions that can be use to solve one‐ and two‐step problems.
  • Sum of the Parts
    The students will use math expressions and equations to discover that the sum of an object’s parts is equal to the whole and that in a chemical reaction or physical change matter is neither created nor destroyed.
  • TRB 5:1 - Activity 1: Dissolving Salt
    This lesson will demonstrate to students that matter, such as salt, may seem to have disappeared when it is dissolved in water, but it is still there.
  • TRB 5:1 - Activity 2: Sum of the Parts
    This activity will help students discover that the total weight of an object is equal to the weight of its individual parts after being disassembled.
  • TRB 5:1 - Activity 3: Melting and Freezing
    After completing this activity students will discover that the weight of ice / water will not change after it undergoes melting or freezing.
  • TRB 5:1 – Act. 4: Chem. Reactions - Borax & Glue, Cream
    Students will conclude at the end of this activity that the combined weight of the reactants in a chemical reaction is always equal to the combined weight of the products.
  • What a Reaction
    These two activities will explain the "Law of Conservation of Matter" - matter can neither be created nor destroyed.
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