Worksheet Solutions: Biology and Environmental Projects - 3 | DIY Science Fun: Cool School Projects - Class 6 PDF Download

Fill in the Blanks 

Q1: The Walking Water Experiment demonstrates a phenomenon known as ______________ action.
Ans: capillary

Q2: In the experiment, colored water moves through ______________, defying gravity.
Ans: paper towels

Q3: To create captivating color combinations, you need ______________ empty water glasses.
Ans: four

Q4: ______________ is added to the water to create different colors for the experiment.
Ans: Watercolors or food coloring

Q5: Capillary action allows water to move through ______________ spaces, such as paper towels.
Ans: narrow

Q6: The Walking Water Experiment is a great way to explore the properties of ______________.
Ans: water

Q7: Safety glasses should be worn to protect your ______________ during the experiment.
Ans: eyes

Q8: The process of capillary action allows water to flow ______________ gravity.
Ans: against

Q9: The Walking Water Experiment involves creating ______________ color combinations.
Ans: captivating

Q10: It's important to perform the experiment under ______________ to ensure safety.
Ans: supervision

Multiple Choice Questions 

Q1: What is the primary scientific concept demonstrated by the Walking Water Experiment?
(a) Gravity
(b) Chemistry of water
(c) Capillary action
(d) Color mixing
Ans: (c) Capillary action
The Walking Water Experiment primarily demonstrates the concept of capillary action, where water moves through narrow spaces like paper towels.

Q2: What happens when you dip one end of a paper towel section into colored water in the experiment?
(a) The paper towel dissolves.
(b) The water remains still.
(c) The water slowly travels up the paper towel.
(d) The water turns into a gas.
Ans: (c) The water slowly travels up the paper towel.
Capillary action allows the water to move up the paper towel against gravity.

Q3: How many water glasses are used in the Walking Water Experiment?
(a) One
(b) Two
(c) Three
(d) Four
Ans: (d) Four
Four water glasses are used, each with a different color of water.

Q4: What is the purpose of adding watercolors or food coloring to the water in the experiment?
(a) To make the water taste better
(b) To create captivating color combinations
(c) To make the water safe to drink
(d) To change the temperature of the water
Ans: (b) To create captivating color combinations
Adding colors to the water creates visually appealing and captivating color combinations as the experiment progresses.

Q5: Which scientific principle allows water to move through narrow spaces like paper towels?
(a) Gravity
(b) Pressure
(c) Capillary action
(d) Buoyancy
Ans: (c) Capillary action
Capillary action is the scientific principle that enables water to move through narrow spaces against gravity.

True and False

Q1: True or False: The Walking Water Experiment primarily focuses on the concept of gravity.
Ans: False
The primary focus of the experiment is capillary action, not gravity.

Q2: True or False: Capillary action allows water to move through narrow spaces like paper towels.
Ans: True
Capillary action is the process that enables water to move through narrow spaces like paper towels.

Q3: True or False: The Walking Water Experiment uses only two water glasses.
Ans: False
The experiment uses four water glasses, each with a different color of water.

Q4: True or False: Safety glasses are not necessary when conducting the Walking Water Experiment.
Ans: False
Safety glasses should be worn to protect your eyes during the experiment.

Q5: True or False: The Walking Water Experiment primarily explores the properties of air.
Ans: False
The experiment primarily explores the properties of water and capillary action, not air.

Short Answer Questions

Q1: Explain the main scientific concept demonstrated by the Walking Water Experiment, and how does it work?
Ans: The main scientific concept demonstrated is capillary action. Capillary action is the ability of a liquid, in this case, water, to move through narrow spaces or tiny tubes, such as the fibers in a paper towel. When one end of a paper towel is dipped into colored water, capillary action allows the water to defy gravity and slowly travel up the paper towel, eventually reaching the other end. This occurs because the adhesive forces between water molecules and the paper towel fibers are stronger than gravity's pull, causing the water to climb the paper towel.

Q2: What is the significance of using different colors of water in the Walking Water Experiment?
Ans: Using different colors of water in the experiment adds an element of visual appeal and allows for the creation of captivating color combinations. As the water moves up the paper towel and meets different colors, it blends with them, producing new hues and creating a visually stunning display. This aspect of the experiment makes it more engaging and showcases the mixing of colors, demonstrating a basic concept of color science.

Q3: Why is it important to perform the Walking Water Experiment under supervision?
Ans: Performing the Walking Water Experiment under supervision is essential to ensure safety, especially when handling watercolors or food coloring, which can stain hands and clothing. Additionally, adult supervision can help prevent accidents and guide students through the experiment, ensuring that they follow the correct procedure and understand the scientific principles involved.

Q4: Can you suggest another real-life scenario where capillary action is at play, similar to the Walking Water Experiment?
Ans: One common real-life scenario where capillary action is at play is in the absorption of water by the roots of plants. The tiny root hairs of plants act as capillaries, allowing water to move from the soil into the plant against the force of gravity. This process ensures that plants can absorb water and essential nutrients from the soil, illustrating the significance of capillary action in nature.

Q5: What educational benefits does the Walking Water Experiment offer to young learners?
Ans: The Walking Water Experiment offers several educational benefits to young learners. It allows them to explore and understand the scientific concept of capillary action, which is a fundamental principle in fluid dynamics. Additionally, it introduces them to basic principles of color science as they observe color mixing. The experiment fosters curiosity, hands-on learning, and critical thinking skills, making it an engaging and educational activity for students in grades 3 to 5.