<p> Elementary Science 5 E’s Lesson Plan</p><p>Teacher: Pedro Sosa Grade Level: 3rd Dates: 8-19/8-23 Benchmark(s) from SC.A.1.2.1 the SSS for this Determines that the properties of materials (e.g., density and volume) can be compared and measured (e.g., lesson using rulers, balances, and thermometers) Essential Question By figuring the density of an object, will the object be buoyant in water Objective for Student will measure the density of certain objects. Students Once the density is measured, the students will determine whether each object is buoyant in water. NOTE ALL 5 E’s WILL NOT BE DONE IN ONE DAY. Engage In a container of water, drop a penny, marble, paper boat, and cork. Before dropping the objects, students will Date: predict which items will float. Students, in groups of four, will be provided with three spheres that have the same volume. The spheres will be made of foam, wood, and metal. Students will use a calculator, ruler, and balance scale to calculate the Explore mass, volume, and density of each sphere. Students will log the results in a table provided by the teacher. Date: Once the measurements are determined, students place each sphere in a container of water to establish which items are buoyant. Assess: The completed table. Read and discuss pages 286-287 of the Scott Foresman Science Textbook. Explain Explain that density is the amount of matter in a given object. It is calculated by dividing the mass of an object Date: by its volume. Given the density of water, which is 1.0g / ml, a fact that will be provided by the teacher, the students will be able to know if an object will sink or float in water, based on its density. Using the projector, the teacher will introduce the Gizmo on density. In the computer lab, the students will Extend work in pairs to complete the student exploration worksheet. Date: Assess: The completed student exploration worksheet. Evaluate Supplies and Containers, water, metal sphere, foam sphere, wood sphere, ruler, balance scale, calculator, computer, Technology Needed projector, marble, cork, and penny. Vocabulary Density, mass, volume, and buoyancy. Homework: Students will complete the student exploration worksheet from Gizmo.</p><p>Resources (A/V, Scott Foresman Science Textbook, www.explorelearning.com websites, books, etc.) Special Instructions None Additional ESOL: Pair with a Spanish-speaking student. Differentiated Inclusion: None Instruction Higher Order Questions Reflections on this lesson</p><p>DCPS Science Department 2009-10 1</p>