Density and Buoyancy Review
Quiz
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Science
•
8th Grade
•
Medium
Wayground Content
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If a ping pong ball floats in water, what can we infer about its density compared to water?
The ping pong ball is less dense than water.
The ping pong ball is more dense than water.
The ping pong ball has the same density as water.
The density of the ping pong ball is variable.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is buoyancy?
The downward force exerted by a fluid on an object.
The upward force exerted by a fluid that opposes the weight of an object immersed in it.
The resistance of an object to being submerged in a fluid.
The weight of an object when it is in a fluid.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the relationship between mass and volume in terms of density?
Density is directly proportional to mass and inversely proportional to volume.
Density is directly proportional to volume and inversely proportional to mass.
Density is independent of mass and volume.
Density is equal to mass plus volume.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the unit of measurement for density?
grams per cubic centimeter (g/cm³)
liters per square meter (L/m²)
meters per cubic liter (m/L³)
pounds per cubic inch (lb/in³)
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How does adding cargo to a cargo ship affect its density?
Adding cargo decreases the mass of the ship, which decreases its density.
Adding cargo increases the mass of the ship, which increases its density.
Adding cargo has no effect on the mass of the ship, thus no effect on its density.
Adding cargo only affects the volume of the ship, not its density.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is positive buoyancy?
Positive buoyancy occurs when an object is less dense than the fluid it is in, causing it to float.
Positive buoyancy occurs when an object is denser than the fluid it is in, causing it to sink.
Positive buoyancy is the ability of an object to remain submerged in a fluid without floating or sinking.
Positive buoyancy is when an object is equal in density to the fluid, resulting in neutral buoyancy.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the effect of temperature on the density of liquids?
Generally, as temperature increases, the density of liquids decreases.
Generally, as temperature increases, the density of liquids increases.
Temperature has no effect on the density of liquids.
The density of liquids fluctuates randomly with temperature.
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