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August 22, 2013

Thank you for not chewing gum . August 22, 2013. Daily Question: What is volume and how is it measured?. Today’s Agenda: Bell work Volume lab. Materials: Pencil, science notebook, science folder, . Objective: Today we will practice measuring volume. What is Volume?.

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August 22, 2013

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  1. Thank you for not chewing gum  August 22, 2013 Daily Question: What is volume and how is it measured? • Today’s Agenda: • Bell work • Volume lab Materials: Pencil, science notebook, science folder, Objective: Today we will practicemeasuring volume.

  2. What is Volume? • Volume is the amount of three dimensional space an object takes up. • Volume can be measured in two ways… with a ruler or by using water displacement.

  3. What is water displacement? • Water displacement is a technique used to find the volume of irregular solids by looking at how much water is displaced (pushed aside) by the item. • Discovered by Archimedes.

  4. The story takes place some 2,200 years ago when King Hieron II in Sicily gave a jeweler a bar of gold and ordered him to make it into a crown.

  5. Measuring Volume of a regular solid • If the object has straight sides you can use a ruler to measure the length x width x height. • Use mm, cm or m to make your measurements

  6. Reading a graduated cylinder • What is the meniscus? • When reading a graduated cylinder remember to get down to eye level.

  7. Practice • What is the water level in this graduated cylinder?

  8. Measuring Volume of an irregular solid • Hold the object up to the graduated cylinder to see how much water you need to cover the object. • Pour water in the graduated cylinder to the point needed to cover the object. • Write down the measurement before the object is in the water.

  9. Gently place the object in the water by tilting the graduated cylinder slightly and sliding the object down the side. • Measure where the water level is after the object has been added. • Write down the measurement after the water has been added. • Use the following formula to calculate the volume: Volume = After – Before Record answer in mL’s

  10. Make a table to record your data

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