Floating & sinking

The lesson looks at floating and sinking from the point of view of the forces involved. We will learn about upthrust and resultant forces.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which state of matter is used for hydraulic fluid?

1/5

Q2.Which of the below is the BEST description of pressure in a hydraulic system?

2/5

Q3.If the area of the output piston is three times bigger than the input piston, what will happen to the output force?

3/5

Q4.Which of the below is a unit for pressure. Pick THREE answers

Select three (3) boxes

4/5

Q5.Calculate the pressure produced when a force of 0.4kN is applied to an area of 2m² . Give your answer in N/m²

5/5

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which state of matter is used for hydraulic fluid?

1/5

Q2.Which of the below is the BEST description of pressure in a hydraulic system?

2/5

Q3.If the area of the output piston is three times bigger than the input piston, what will happen to the output force?

3/5

Q4.Which of the below is a unit for pressure. Pick THREE answers

Select three (3) boxes

4/5

Q5.Calculate the pressure produced when a force of 0.4kN is applied to an area of 2m² . Give your answer in N/m²

5/5

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

Floating and Sinking

Answer the following multiple choice questions to check your understanding

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.Which of the following are the forces involved in floating?

1/7

Q2.How does the 'weight' of an object in water compare to weight in air?

2/7

Q3.Which of the following best describes the forces when an object floats?

3/7

Q4.Complete this sentence: "When we measure ‘weight’ in water, we are measuring the…"

4/7

Q5.Which of the below are correct descriptions of how the density of water can change. Pick TWO answers.

Select two (2) boxes

5/7

Q6.The equation for calculating density is?

6/7

Q7.Which answer describes particles in a liquid?

7/7

Quiz:

Floating and Sinking

Answer the following multiple choice questions to check your understanding

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.Which of the following are the forces involved in floating?

1/7

Q2.How does the 'weight' of an object in water compare to weight in air?

2/7

Q3.Which of the following best describes the forces when an object floats?

3/7

Q4.Complete this sentence: "When we measure ‘weight’ in water, we are measuring the…"

4/7

Q5.Which of the below are correct descriptions of how the density of water can change. Pick TWO answers.

Select two (2) boxes

5/7

Q6.The equation for calculating density is?

6/7

Q7.Which answer describes particles in a liquid?

7/7

Lesson summary: Floating & sinking

It looks like you have not attempted both the quizzes.

To share your results with your teacher please complete both the quizzes.

The next lesson in Matter is "Atmospheric pressure"

Browse Oak's lessons: