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DE Science Elementary

DE Science Elementary. “5-Minute Prep” for Matter Properties of Matter Mass and Weight. Mass and Weight – The Big Ideas. All matter has mass and takes up space. Gravity produces weight based on the mass of an object. On Earth, a scale measures mass of matter.

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DE Science Elementary

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  1. DE Science Elementary “5-Minute Prep” for Matter Properties of Matter Mass and Weight

  2. Mass and Weight – The Big Ideas • All matter has mass and takes up space. • Gravity produces weight based on the mass of an object. • On Earth, a scale measures mass of matter. • In space with no gravity present, an object has mass but no weight. • Liquids have mass. • Air and other gases have mass. • The mass of any object or material is equal to the sum of the mass of its parts.

  3. Mass and Weight – Prior Knowledge Students often confuse mass and weight. It will help for students to use the FUN-damental, What’s the Matter, to review mass and weight. It will be helpful if students have been measured when they step on a scale at the doctor’s office or at home.

  4. Mass and Weight – Common Misconceptions • Mass and weight are the same and they are equal at all times. • Reality: On Earth, a scale measures mass of matter, but in space without any gravity present, an object has mass but no weight. • Gases do not have mass. • Reality: Gases are matter, which means they have mass and occupy space.

  5. Mass and Weight – Using DE Science Content When you close this presentation, you can review the following recommended resources for Mass and Weight. • Exploration: Mass and Weight • Reading Passage: Camels in Space • Video: Gravity and Mass • Video: Measuring Gases Use the PowerPoint version of this presentation for hyperlinks to these resources or you can get to them through the browser or search feature.

  6. Mass and Weight – Instructional Ideas • Blow up one balloon fully and another balloon half way for each pair of students. • Have each pair of students place the balloons on the end of a long dowel and then hang the dowel from the center to measure the weight in a mock scale. • Ask students to describe what they have observed. • Then, have students explain either verbally or in writing why the two balloons are not balanced.

  7. Mass and Weight – Instructional Ideas • As a class and after exploring the video and exploration, construct a concept map of mass. • Make sure that students include and branch out concepts involving gravity as well as each state of matter.

  8. State Standards: If you wish to review your state standards regarding Mass and Weight, click here to get to the curriculum standards search feature of DES. http://discoveryeducation.com/forward/curriculum.cfm You can click on any standard to see what resources are available to teach it. Additional Information: For additional content, check the Extend section within the concept.

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