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 Forces and Energy 50 Flashcards |
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Density describes the relationship between ___ and ___ of a material. |
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Mass and volume  |
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True or False: A large block of polystyrene always has a larger mass than a small piece of metal. |
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FalseMass Comparison: Polystyrene vs. Metal
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Fill in the blank: Materials with high density have ___ mass in a smaller volume. |
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More  |
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What is the formula to calculate the volume of a regular block of material? |
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Volume is calculated by multiplying the lengths of its sides.  |
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Riddle: I can be light as a feather or heavy as a stone, my weight depends on how much space I own. What am I? |
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Density  |
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True or False: Solid materials contain internal air spaces. |
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False; solid materials do not contain internal air spaces.  |
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If a block of wood has sides measuring 10 mm, 6 mm, and 4 mm, what is its volume? |
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240 mm³  |
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Fill in the blank: Polystyrene food containers feel light because they have a large volume and ___ mass. |
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Small  |
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The displacement method is used to determine the volume of ___ objects. |
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Irregularly shaped  |
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If a rock raises the water level from 40 cm³ to 56 cm³, what is the volume of the rock? |
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16 cm³  |
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Density is defined as ___ per unit volume. |
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Mass  |
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True or False: The density of iron is greater than the density of polystyrene. |
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True  |
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Which material has a density of 22 g/cm³? |
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Osmium  |
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Fill in the blank: Density increases as particles are packed ___ together. |
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Closer  |
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If a 1 cm³ block of polystyrene has a mass of 0.05 g, what is its density? |
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0.05 g/cm³  |
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Riddle: I float on water but am not a boat, my density is less than one. What am I? |
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Wood  |
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What is the relationship between the density of gases and their particle arrangement? |
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Gases have lower densities because their particles are far apart.  |
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What is the density of water in g/cm³? |
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1.0 g/cm³  |
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What is the relationship between atomic number and density in elements? |
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Generally IncreasesAtomic Number and Density Relationship
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Neutronium, found in collapsed stars, has a density of ___ g/cm³. |
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100,000,000,000,000 g/cm³.  |
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Objects that are denser than water will ___ when placed in water. |
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Sink.  |
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True or False: Steel ships sink because steel has a high density of 8–9 g/cm³. |
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FalseUnderstanding Ship Buoyancy
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Fill in the blank: When liquids of different densities are combined, the less dense liquids ___ on the denser ones. |
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Float.  |
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Crude oil.  |
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What happens to a ship's ability to float when it adds cargo or passengers? |
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Adding CargoShip Buoyancy and Cargo
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Completed! Keep practicing to master all of them. |
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