Observe and Describe Physical Properties - 5th Grade Science
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What is density?
What is density?
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Mass per unit volume. How tightly packed matter is in a given space.
Mass per unit volume. How tightly packed matter is in a given space.
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Which tool is best for measuring the volume of a liquid sample?
Which tool is best for measuring the volume of a liquid sample?
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Graduated cylinder. Narrow shape and markings ensure accurate readings.
Graduated cylinder. Narrow shape and markings ensure accurate readings.
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Which tool is best for measuring mass in a classroom investigation?
Which tool is best for measuring mass in a classroom investigation?
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Balance (triple-beam or digital). Measures in grams with precision.
Balance (triple-beam or digital). Measures in grams with precision.
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What physical property describes how easily a material can be hammered into a thin sheet?
What physical property describes how easily a material can be hammered into a thin sheet?
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Malleability. Gold and aluminum are malleable; ceramics are not.
Malleability. Gold and aluminum are malleable; ceramics are not.
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What physical property describes how easily a material can be pulled into a wire?
What physical property describes how easily a material can be pulled into a wire?
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Ductility. Metals like copper are ductile; glass is not.
Ductility. Metals like copper are ductile; glass is not.
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Identify the physical property that describes resistance to scratching (for example, a nail test).
Identify the physical property that describes resistance to scratching (for example, a nail test).
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Hardness. Harder materials scratch softer ones.
Hardness. Harder materials scratch softer ones.
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Identify the property tested when you check whether a material can be bent without breaking.
Identify the property tested when you check whether a material can be bent without breaking.
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Flexibility. Flexible materials bend; brittle ones break.
Flexibility. Flexible materials bend; brittle ones break.
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What is the formula for density using mass $m$ and volume $V$?
What is the formula for density using mass $m$ and volume $V$?
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$D=\frac{m}{V}$. Divide mass by volume to find density.
$D=\frac{m}{V}$. Divide mass by volume to find density.
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Calculate density for $m=30\text{ g}$ and $V=10\text{ mL}$ using $D=\frac{m}{V}$.
Calculate density for $m=30\text{ g}$ and $V=10\text{ mL}$ using $D=\frac{m}{V}$.
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$3\text{ g/mL}$. $D = \frac{30}{10} = 3$ g/mL.
$3\text{ g/mL}$. $D = \frac{30}{10} = 3$ g/mL.
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Identify the correct conclusion: An object floats in water. Is its density less than, equal to, or greater than water?
Identify the correct conclusion: An object floats in water. Is its density less than, equal to, or greater than water?
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Less than water. Objects float when density < 1 g/mL (water's density).
Less than water. Objects float when density < 1 g/mL (water's density).
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Which word describes a material that does not let light pass through?
Which word describes a material that does not let light pass through?
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Opaque. Blocks all light, like wood or metal.
Opaque. Blocks all light, like wood or metal.
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Which word describes a material that lets some light through but blurs images?
Which word describes a material that lets some light through but blurs images?
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Translucent. Like frosted glass or wax paper.
Translucent. Like frosted glass or wax paper.
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Which word describes a material that lets most light pass through clearly?
Which word describes a material that lets most light pass through clearly?
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Transparent. Like clear glass or clean water.
Transparent. Like clear glass or clean water.
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What physical property describes whether light passes through a material?
What physical property describes whether light passes through a material?
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Transparency (transparent, translucent, or opaque). Materials interact with light in these three distinct ways.
Transparency (transparent, translucent, or opaque). Materials interact with light in these three distinct ways.
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What physical property describes how rough or smooth a surface feels?
What physical property describes how rough or smooth a surface feels?
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Texture. Detected by touch, ranging from bumpy to silky.
Texture. Detected by touch, ranging from bumpy to silky.
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What physical property describes how shiny or dull a material looks?
What physical property describes how shiny or dull a material looks?
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Luster. Describes the way light reflects off a surface.
Luster. Describes the way light reflects off a surface.
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What is the difference between a physical property and a chemical property?
What is the difference between a physical property and a chemical property?
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Physical: no new substance; chemical: forms new substances. Physical changes are reversible; chemical changes create different materials.
Physical: no new substance; chemical: forms new substances. Physical changes are reversible; chemical changes create different materials.
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Which physical property describes how hard it is to scratch a material?
Which physical property describes how hard it is to scratch a material?
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Hardness. Diamond is very hard; chalk is soft.
Hardness. Diamond is very hard; chalk is soft.
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What term describes a material that lets some light through but not clearly?
What term describes a material that lets some light through but not clearly?
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Translucent. Like frosted glass that blurs what's behind it.
Translucent. Like frosted glass that blurs what's behind it.
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Which physical property describes whether a material lets light pass through clearly?
Which physical property describes whether a material lets light pass through clearly?
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Transparency. Like glass or clear plastic that you can see through.
Transparency. Like glass or clear plastic that you can see through.
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