Introduction to Fluids
Explore the properties of fluids, including liquids and gases, density, buoyancy, and viscosity, through engaging questions and activities suitable for Grade 6 science.
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Introduction to Fluids
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a property of fluids?
They can flow.
They have a fixed shape.
They take the shape of their container.
They can be compressed (gases).
2. What happens to an object that is less dense than the fluid it is placed in?
It sinks.
It floats.
It dissolves.
It changes color.
1. A substance that has no fixed shape and can flow is called a .
2. The resistance of a fluid to flow is known as its .
3. The upward force exerted by a fluid that opposes the weight of an immersed object is called .
1. Explain the difference between a liquid and a gas in terms of how they fill a container.
2. Describe one real-world example of how buoyancy is used.
1. All liquids have the same viscosity.
True
False
2. Gases are fluids because their particles are close together and vibrate in fixed positions.
True
False
Match the term on the left with its correct definition on the right.
1. Density
a. A measure of a fluid's resistance to flow.
2. Viscosity
b. The amount of matter in a given volume.
3. Buoyancy
c. The upward force exerted by a fluid on an object.