Water Velocity and Particle Size

The podcast introduces the Earth Science series and focuses on understanding the water velocity chart from the reference table. It explains how to read the horizontal and vertical scales, which are logarithmic, and provides practical examples of using the chart to determine the movement of particles based on water velocity and particle diameter.

What is the main topic of the Earth Science podcast episode?

• Water velocity charts

• The history of Earth Science

• Climate change

• Volcanic eruptions

How does the horizontal scale on the water velocity chart increase?

• Exponentially

• Linearly

• Randomly

• Logarithmically

What is the starting velocity on the horizontal scale of the chart?

• 10 cm/s

• 0.01 cm/s

• 1 cm/s

• 0.1 cm/s

What does the vertical scale on the chart represent?

• Water temperature

• Particle diameter

• Flow direction

• Water depth

What is the range of particle diameters for clay according to the right scale?

• 0.00004 cm to 0.06 cm

• 0.00001 cm to 0.00004 cm

• 0.2 cm to 6.4 cm

• 0.006 cm to 0.2 cm

Which particle size range is classified as pebbles?

• 0.2 cm to 6.4 cm

• 25.6 cm and greater

• 0.006 cm to 0.2 cm

• 6.4 cm to 25.6 cm

What is the maximum diameter for cobbles according to the chart?

• 50 cm

• 25.6 cm

• 6.4 cm

• 100 cm

If a water velocity is 50 cm/s, what is the maximum particle size it can move?

• Clay

• Sand

• Silt

• Pebbles

What is the velocity needed to move a particle with a diameter of 0.01 cm?

• 0.1 cm/s

• 5 cm/s

• 0.5 cm/s

• 1 cm/s

What is the significance of understanding the scales on the water velocity chart?

• To determine water temperature

• To understand particle movement in water

• To measure water salinity

• To predict weather patterns