Worksheet: Biology and Environmental Projects - 2 | DIY Science Fun: Cool School Projects - Class 6 PDF Download

Fill in the Blanks

Q2: The construction of a water dispenser involves attaching cardboard pieces to create a cube shape and a lift for the ______________.

Q3: To pass a straw through the cover cardboard, a small ______________ is made on the front side.

Q4: The functioning of a water dispenser relies on the fundamental principles of ______________ and ______________.

Q5: One of the key benefits of a homemade water dispenser is the ability to incorporate a ______________ for ensuring water purity.

Q6: The homemade water dispenser minimizes the risk of ______________ when the lid is closed.

Q7: Creating a water dispenser using readily available materials is both cost-effective and provides the opportunity for ______________.

Q8: Safety glasses should be worn to protect your ______________ while working on the water dispenser project.

Q9: Hot melting glue should be handled with care to avoid ______________ or ______________.

Q10: When working on the water dispenser project, it's important to have supervision from ______________ or responsible adults.

Multiple Choice Questions

Q2: What are the two fundamental principles on which the functioning of a water dispenser relies?
(a) Recycling and waste reduction
(b) Pressure and gravity
(c) Sustainability and environmental impact
(d) Cover cardboard and hot melting glue

Q3: What feature can be incorporated into a homemade water dispenser to ensure water purity?
(a) Hot melting glue
(b) A clear plastic bottle
(c) A filter
(d) Origami paper

Q4: What advantage does a homemade water dispenser have over traditional containers in terms of water wastage?
(a) It has a leak-proof design.
(b) It is cost-effective.
(c) It is customizable.
(d) It uses hot melting glue.

Q5: Why is it important to work under supervision while constructing the water dispenser project?
(a) To complete the project faster
(b) To avoid using cardboard
(c) To ensure safety and prevent accidents
(d) To study fluid dynamics

True and False

Q2: True or False: The functioning of a water dispenser is based on the principles of pressure and gravity.

Q3: True or False: The homemade water dispenser project encourages students to think about the environmental impact of plastic bottles.

Q4: True or False: Hot melting glue is not used in the construction of a water dispenser.

Q5: True or False: A homemade water dispenser can only store a small amount of water.

Short Answer Questions

Q2: How does incorporating a filter into a homemade water dispenser contribute to ensuring water purity?

Q3: What educational concepts can students explore through the construction of a homemade water dispenser?

Q4: Why is it important to prioritize safety when working on the water dispenser project?

Q5: What is the significance of reusing a plastic bottle in the water dispenser project in terms of environmental impact?

You can access the solutions to this worksheet here.