Podcast
Questions and Answers
Which of the following is NOT a state of matter?
Which of the following is NOT a state of matter?
- Solid
- Energy (correct)
- Liquid
- Gas
Surface tension only occurs in solids.
Surface tension only occurs in solids.
False (B)
What are three factors that can affect the flow rate of a liquid in a pipe?
What are three factors that can affect the flow rate of a liquid in a pipe?
Diameter of the pipe, temperature, and pressure
The arrangement of particles in a ______ has the least energy and they are closely packed together.
The arrangement of particles in a ______ has the least energy and they are closely packed together.
Match the following types of flow with their characteristics:
Match the following types of flow with their characteristics:
Flashcards
Fluid
Fluid
A substance that can flow and take the shape of its container. Examples include liquids and gases.
Viscosity
Viscosity
The resistance of a fluid to flow. Thick fluids have high viscosity, while thin fluids have low viscosity.
Flow rate
Flow rate
The rate at which a fluid moves through a given space. It's calculated by dividing the volume of fluid by the time it takes to flow.
Laminar flow
Laminar flow
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Turbulent flow
Turbulent flow
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Study Notes
Grade 8 Science - Study Guide
- Definitions:
- Adhesion
- Eddy
- Flow rate
- Fluid
- Gas
- Laminar flow
- Liquid
- Solid
- Surface tension
- Streamlined
- Turbulent flow
- Viscosity
Particle Theory of Matter
- List the five main points of the Particle Theory of Matter.
- Give four examples of fluids in homes (e.g., juice, milk, water).
- Give three examples of fluids essential to life and explain how each is crucial.
- Example: Blood, transports oxygen & nutrients, essential for life.
- Explain why liquids take the shape of their container but don't fill it completely like gases.
- Explain how temperature affects the flow rate of liquids and gases.
Factors Affecting Flow Rate
- List three factors that affect the flow rate of liquids in a pipe.
- Explain how flow rate relates to viscosity.
- Viscosity is resistance to flow.
Particle Diagrams
- Draw a particle diagram for a solid, a liquid, and a gas, including lines/arrows to show particle arrangement, relative movement, and attractive forces.
Flow Rate Calculations
- Calculate flow rate given volume and time, using proper units.
- Bonus: Convert mL/sec to L/min.
Laminar Flow Example
- Provide an example of laminar flow.
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