Introduction to Fluids
Explore the basic properties of fluids, including density, buoyancy, and pressure, with this Grade 7 science worksheet.
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Introduction to Fluids
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Read each question carefully and answer to the best of your ability. Show your work for any calculations.
Fluids are substances that can flow and take the shape of their container. This includes liquids and gases. They are characterized by their ability to deform continuously under an applied shear stress.
1. Which of the following is considered a fluid?
A rock
Water
A wooden block
An ice cube
2. What is the primary characteristic of a fluid?
It has a fixed shape.
It can flow.
It is always a liquid.
It is always a gas.
3. The two main types of fluids are and .
4. Density is a measure of how much is contained in a given .
5. An object will float in a fluid if its density is than the fluid's density.
6. Explain what buoyancy is and how it affects objects in a fluid.
7. Describe one real-world application of fluid pressure.
8. Gases are considered fluids.
True
False
9. A dense object will always sink in water.
True
False
10. Observe the animation above. In your own words, describe what is happening to the fluid particles.
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