Flow Rate Questions - Grade 8

1. List 2 substances that have a low viscosity and 2 substances that have a high viscosity.
2. What is the relationship between the viscosity of a liquid and its flow rate?
3. How can you test viscosity of a liquid?
4. a) What is the effect of temperature on the flow rate - and thus the viscosity - of a liquid?
4.b) Explain the effect using the particle theory.
5. Asphalt is the black material that binds gravel in the pavement that covers streets and highways. Explain why paving is almost always done during the summer months.