5807177
Descrição
Criado por mjschartiny11
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Criado por mjschartiny11
mais de 10 anos atrás
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|
Questão 1
Questão
Label the changes of the states of matter?
Responda
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Vaporization
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Condensation
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Deposition
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Sublimation
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Freezing
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Melting
Questão 2
Questão
Buoyancy applies to all of the following substances, except:
Responda
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Oxygen
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Clay
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Milk
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Saltwater
Questão 3
Questão
A rock dropped into a glass of water raises the water level by 40 millimeters. What can you infer about the rock?
Responda
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It has a mass of 40 grams
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It has a density of 40 grams per milliliter
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It has a volume of 40 milliliters
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It has a weight of 40 pounds
Questão 4
Questão
If a robot weighs 570 pounds on land, and it displaces 320 pounds of water, how much does the robot weigh underwater?
Responda
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730 pounds
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490
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320
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250
Questão 5
Questão
A tennis ball is placed in a bowl filled to the brim with water. Which of the following statements is true?
Responda
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The water that spills out weighs more than the ball
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The water that spills out has less volume than the ball
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The water that spills out weighs less than the ball
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Since the ball floats, no water spills out
Questão 6
Questão
Density is the relationship between which two quantities?
Responda
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Mass and volume
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Mass and weight
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Volume and weight
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Mass and buoyant force
Questão 7
Questão
How does an object's density affect the buoyant force acting on it?
Responda
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The more dense the object, the greater the buoyant force
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The less dense the object, the greater the buoyant force
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Density is equivalent to buoyant force
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Density has no effect on buoyant force
Questão 8
Questão
Which of the following objects has negative buoyancy?
Responda
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Boat
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Anchor
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Fish
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Life Vest
Questão 9
Questão
A submerged submarine that remains at a constant depth has ________ buoyancy.
Responda
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Positive
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Negative
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Neutral
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No
Questão 10
Questão
A fully loaded cruise ship leaves port weighing 50,000 tons. How much water does it displace?
Responda
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Exactly 50,000 tons
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More than 50,000 tons
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Less than 50,000 tons
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50,000 gallons
Questão 11
Questão
Hot air balloons rise when the air inside the balloon is heated. Which statement must be false?
Responda
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Hot air is less dense than cool air
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The volume of the balloon is equal to the volume of air it displaces
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As the air in the balloon cools, the density decreases
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The air in the balloon weighs more than the air it displaces
Questão 12
Questão
Ductility is [blank_start]the ability to be pulled into a wire[blank_end]. [blank_start]Thermal Conductivity[blank_end] is the rate at which a substance transfers heat. Solubility is the [blank_start]ability to dissolve in another substance[blank_end]. [blank_start]Malleability[blank_end] is the ability to be rolled/pounded into sheets.
Responda
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the ability to be pulled into a wire
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rate at which a substance transfers heat
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the mass per unit volume of a substance
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ability of a substance to burn or ignite
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Thermal Conductivity
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Density
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Latent Heat
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Flammability
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ability to dissolve in another substance
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ability to rust
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ability to explode
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change from a liquid to a gas
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Malleability
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Polarity
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Condensation
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Crystallization
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