Buoyant Force and Density Relationships

Buoyant Force and Density Relationships

Assessment

Interactive Video

Physics

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers the concept of density, explaining how it is the ratio of mass to volume. It introduces methods to determine the volume of an object, such as geometric measurement and water displacement. The tutorial also explains buoyant force, which is the upward force on a submerged object, and how it relates to the weight of the displaced fluid. The video discusses the linear relationship between buoyant force and the volume of displaced water, and how to calculate the density of a fluid using this relationship. Finally, it guides viewers through an experiment to measure buoyant force and collect data for analysis.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of today's lab?

Determining the density of various metals

Determining the density of aluminum and water

Studying the effects of temperature on density

Exploring the concept of buoyancy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is NOT mentioned for determining the volume of the aluminum sample?

Geometric measurement with rulers

Using a laser scanner

Using a pan balance

Water displacement in a graduated cylinder

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the buoyant force equal to?

The density of the object

The mass of the object

The weight of the displaced fluid

The volume of the object

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the buoyant force change as an object is submerged in water?

It remains constant

It fluctuates randomly

It decreases

It increases

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between buoyant force and the volume of displaced water?

Exponential

Linear

Quadratic

Logarithmic

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the slope in the linear equation of buoyant force and displaced water volume?

Volume of the object

Density of the object

Gravity

Product of density and gravity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of measuring the tension in the string during the experiment?

To find the density of the object

To determine the mass of the object

To calculate the buoyant force

To measure the volume of the object

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