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# Physical Properties

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created for 5th grade science classroom

created for 5th grade science classroom

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### Transcript

• 1. Physical Properties Observe, Describe, and Measure
• 2. What are physical properties?
• A physical property is a property or characteristic of and object or substance that can be observed, described, and measured without changing the matter.
• 3. Common Physical Properties
• Length: how long or tall an object is.
• Mass: the amount of matter in an object.
• Area: the amount of surface inside a closed boundary.
• Perimeter: the distance around an object.
• Texture: how an object feels.
• Taste
• Odor
• Color
• Elasticity: the elasticity of an object is its ability to return to normal shape and size
• Density: A measure of the amount of matter in a given volume. Density does not change with the amount of matter measured.
• 4. How To Observe/Measure Physical Properties
• Use a ruler or a tape measure to measure length. Units include feet, inches, meters, centimeters, ect.
• Use a scale to measure mass. Units include grams, kilograms, ect.
• To measure area of a rectangle, measure the lengths of two adjacent sides and multiply them together. Units include feet 2 (or square feet), inches 2 , meters 2 , centimeters 2 , ect.
• 5. How To Observe/Measure Physical Properties, cont’d
• To measure perimeter, measure around an object.
• To observe texture, feel the object with your hands.
• To observe elasticity, try to bend or stretch the object to see if it returns to it’s normal shape and size.
• 6. How are Physical Properties Used?
• Physical properties are used to identify and classify substances and materials.
• Scientists VERY CAREFULLY observe, describe, and measure substances and materials in order to identify them or classify them.
• 7. Amounts and Physical Properties
• Some physical properties stay the same no matter how much material/substance is present.
• This includes taste, odor, color, texture, and elasticity.
• Other properties change when the amount of material/substance changes.
• This includes length, mass, area, and perimeter.