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Main Curriculum Tie:
Background For Teachers:
Matter is anything that has mass and takes up space. Physical change of matter occurs in its size, state, or shape. Chemical change of matter occurs when the materials are changed into new substances.
Student Prior Knowledge:
Intended Learning Outcomes:
STEP ONE: SKELETAL SYSTEM REVIEW
STEP TWO: THE ROLE OF NUTRITION IN BODY DEVELOPMENT
STEP THREE: BONE MATTER AND CHANGE
The materials chair will obtain two jars with lids, two cleaned off chicken bone legs, approximately one cup of vinegar or enough to cover one bone inside a jar, one pair of rubber gloves, and a set of goggles.
The groups then make observations about the bones. These observations are noted by the recorder. Washing bare hands thoroughly after exposure to chicken bones is suggested.
The person in the group with the gloves and goggles will place one bone in a jar and cover it with water. The jar is labeled 'water'. The other bone is placed in the remaining jar and covered with vinegar. Label this jar 'vinegar'. The jars are placed in a secure area for five days. Each group will make predictions of the changes in bone matter, if any, they anticipate. These predictions are recorded in their Science journals.
DAY TWO (Five days later)
STEP ONE: OBSERVATION
STEP TWO: DISCUSSION
At this point the instructor can carefully break a bone that had been in water. Ask the students to discuss the type of change the bone has gone through (the change is physical since the bone matter is the same, only in different pieces.)
STEP THREE: CONCLUSION
Strategies For Diverse Learners:
Students can write about their findings using the 6+1 Traits of Writing. (Language Arts)
Using the Dietary Guidelines for Americans, have students determine the appropriate daily amounts of minerals and vitamins a fifth grader should consume:
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