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# 4th grade unit c ch. 11 lesson 2 how is matter measured

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• 1. Lesson 2How is mattermeasured?
• 2. Activity-Wider or TallerArmspan____________ your tool____________ partner&#x2019;s tool___________ in cm, using a rulerHeight ____________ your tool____________ partner&#x2019;s tool____________ in cm, using a rulerWhy would these tools not be considered standard units?Was your arm span greater, less, or the same as yourheight?
• 3. mass&#xF0A3;Measure of the amount ofmatter in an object&#xF0A3;Measured with balancescale
• 4. A balance scale measures mass.
• 5. volume&#xF0A3;Amount of space that matter takes up&#xF0A3;Measured by:&#xF0A3; Length X Width X Heightor&#xF0A3; with graduated cylinder
• 6. density&#xF0A3;Amount of mass in a certainvolume of matter&#xF0A3;Mass/volume&#xF0A3;Determines whether objectfloats or sinks in waterWhy Objects Float Activity
• 7. metric system- based on 10&#x2019;sMeasured inmass grams (g)volume Solids- cubic centimeter(cm3)Liquids- milliliters (mL)density grams/cubic cm or mL(g/cm3) or (g/mL)
• 8. Measuring toolsMeasurement Toollength metric ruler- meterstickmass balancetemperature thermometervolume graduated cylindermeterstick graduated
• 9. Find the volume of thefollowing objects using agraduated cylinder or ruler:Object Graduatedcylinder orrulerVolume(mL or cm3)Wood block10 marbles10 pennies10 paper clips
• 10. following objects using abalance scale:Object Mass (g)(Balance scale)VolumeYour penToy caranimalCow magnetMagnetic ballToy car