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Students will play the game I Spy to help identify objects made from rock.
All material on Earth can be sorted into three categoriesanimal, plant, or mineral. Some materials are easily identified, such as dogs, carrots, or rocks. Other materials may be less obvious, such as rubber, glass, and aluminum. These categories can be more specifically defined as living, once living, and nonliving. The availability, and properties of these resources will determine how humans use these materials.
5. Understand and use basic concepts and skills.
Invitation to Learn
Play a game of I Spy. Start by saying, I spy something that was made from a rock. Let students ask yes/no questions to discover the answer.
Use the first Rock Journal as a pre-assessment tool. At the end of the unit, go on another hunt and have the students compare their journals. Were the items they found just simple rocks, or were they were more complicated, less obvious items? Students who can identify material made of metal or glass probably have a solid understanding of this concept.