RESName: ______

Study Hints for Topic 9 Unit TestDate: ______NB page:_____

Answer all parts of all questions carefully.

  1. What type of weathering is frost action and plant root growth?______
  1. What type of climate has the greatest amount of chemical weathering?

______and ______

  1. What side of a meander has the most erosion? Deposition? Which side has the steepest slope?

Most erosion:______

Most deposition:______

Steepest slope:______

  1. What type of sediment is deposited first in a stream when the velocity slows down?

(Think: size, density and shape)

______

  1. List 4 features of and old age stream.

a)______b)______c)______d)______

  1. What is the name of the river that flows near Rochester and down into Pennsylvania?

(Hint: use ESRT pg.3) ______

  1. What is stream dischargeand how does it affect stream velocity? ______

______

  1. What kind of sediments are carried in suspension? Bed load? What type of materials are carried in a solution? (Hint: NB #8)

Suspension:______; Bed load:______;

Solution:______

  1. How does the velocity of the sediments carried in suspension compare to the velocity of the water that is carrying them? How does the velocity of sediments in the bed load compare to the velocity of the water that is carrying them?

Suspension:______

Bed load:______

  1. What happens to the shape of rocks after being shaken if they are less resistant to weathering? ______
  1. How does surface area affect the rate of weathering? ______
  1. What is humus and what does it help to form? (USE YOUR NOTES)

______

  1. What causes soil to form? ______

______

  1. What is the difference between a residual and a transported soil?______

______

  1. How would a pebble look if it was abraded in running water? abraded by gravity? abraded by wind? Water:______; Gravity:______;

Wind:______

  1. If a stream is moving 100 cm/sec, then what are the names of the sediments that it can carry?______
  1. What is the water table?______

______

  1. Why does limestone weather quickly in rain, specifically acid rain?______

______

  1. Name one source of pollution caused by humans that contributed to acid rain.______

______

  1. What size sediment will stay in suspension the longest? ______(biggest/smallest)
  1. How big is a boulder (in centimeters)? ______cm
  1. If you dropped a handful of sediments of all different sizes into a lake, which size would be on the bottom? ______On the top?______
  1. How does the velocity of a stream affect deposition?

______

  1. How does the shape of the sediments affect deposition?

______

  1. How does the density of the sediments affect deposition?

______

  1. If you have 3 sample of gold (density 19.3 g/cm3) that all have different settling rates – what other factor could cause this?______