Worksheet: Mechanical Projects - 3 | DIY Science Fun: Cool School Projects - Class 6 PDF Download

Fill in the Blanks

Q2: The scientific principle behind hydraulic lifts is based on __________ law.

Q3: Pressure is defined as the ratio of force applied perpendicularly to the __________ area.

Q4: Hydraulic systems utilize __________ fluids as their primary component.

Q5: Pascal's law states that when pressure is applied to a fluid inside a closed container, the force is transmitted to both the liquid and the container's __________.

Q6: In a hydraulic lift model, two __________ are used to create the lifting mechanism.

Q7: The liquid medium used in a hydraulic lift model is often represented by __________ ink.

Q8: The top part of the hydraulic lift model, where the load is placed, is typically a rectangular piece of __________.

Q9: One of the safety precautions for building the hydraulic lift model is to wear __________ to protect your eyes.

Q10: Removing the needle from the syringe initially is done to prevent accidental __________.

Multiple Choice Questions (MCQ)

Q2: What is the primary purpose of the tube and connector in the hydraulic lift model?
(a) To add weight to the model
(b) To connect the syringes
(c) To decorate the model
(d) To measure pressure

Q3: Which component in the hydraulic lift model acts as the lifting mechanism?
(a) The cardboard frame
(b) The top rectangular piece
(c) The syringes
(d) The colored ink

Q4: What is the function of the colored ink in the syringes of the hydraulic lift model?
(a) To add color for aesthetic purposes
(b) To create hydraulic pressure
(c) To cool down the model
(d) To provide lubrication

Q5: Which of the following is NOT an advantage of the hydraulic lift project mentioned in the article?
(a) Enhanced understanding of scientific concepts
(b) Promotion of engagement with scientific concepts
(c) Discouragement of curiosity
(d) Valuable insights into hydraulic lifts

True or False

Q2: Hydraulic lifts use gaseous fluids as their primary component. (True/False)

Q3: Wearing safety glasses is not necessary when conducting the hydraulic lift experiment. (True/False)

Q4: Removing the needle from the syringe initially is done to prevent accidental pricking. (True/False)

Q5: The hydraulic lift model is primarily built for grade 10 students. (True/False)

Short Answer Questions

Q2: What is the purpose of having two syringes in the hydraulic lift model?

Q3: How does the hydraulic lift model demonstrate Pascal's law?

Q4: List three materials required to build the hydraulic lift model.

Q5: Why is it important to fill the syringes with colored ink in the model?

Q6: Describe one advantage of the hydraulic lift project mentioned in the article.

Q7: What safety precautions should be taken when building the hydraulic lift model?

Q8: What is the role of the tube and connector in the hydraulic lift model?

Q9: Name one everyday application of hydraulic lifts mentioned in the introduction.

Q10: What are the potential educational benefits of building and demonstrating the hydraulic lift model in a science class?

You can access the solutions to this worksheet here.