Land forms survey - (copy)

A survey about land forms
Name: 


  1. Which of the following statements is a prediction?
    The cup of water is attached to the top of the stream table.
    We are adding more water to the stream table. More water might make the river wider.
    David mixed clay and sand together. Then we packed the soil to make a model.
    We made it rain on the stream tqble today. The rain made a river. We measured the ruver


  1. How does gravity affect water floating down a river or stream?
    Gravity does not affect water floating down a river or stream.
    Gravity pulls water to the top of the river or stream.
    Gravity causes water to flow from a high place to a low place.
    Gravity causes water to flow to the outside edges of a river or stream.


  1. If rain is coming down hard and fast, which of these help protect soil from water erosion?
    Heavy rain
    Loose soil
    Plant roots
    Steep slopes


  1. Why is wind erosion a problem on the coast?
    Hard, heavy rains soak the coastline.
    Loose soil is easily carried by wind
    Salty ocean air travels very far in land
    Many people use beaches for fun


  1. How does ice change rocks into soil?
    Freezing water covers rocks and makes soil.
    Rocks covered in ice move underneath the loose soil.
    Rocks are too hard to ever break apart and become soil.
    Water freezing and expnding breaks rocks ito soil.


  1. What is the source of water that flows over and through land?
    Ground wells
    Home faucets
    Natural springs
    Rain clouds


  1. Which statements describe wind erosion?
    1 - Sand grains knock the paint off beach houses.
    2 - A farmers rich topsoil is blown away.
    3 - Holes form in pavement after a cold, wet winter
    4 - The rocks in a fast moving stream are smooth and round.
    1.2
    2.3
    3.4
    1,4


  1. How are underwater caverns or caves formed?
    Freezing and thawing of ice.
    Wind erosion on the mountain.
    Water moving underground.
    The topography of the land.


  1. Listed below are 4 statements relating to dams. Which two statements state the benefits for having a dam built
    1 - The dam slows the flow of water into the reservoir.
    2 - A dam makes the water cleaner for the people in the town.
    3 - A dam may provide electricity for the town.
    4 - People can swim and fish in the lake behind the dam.


    1,2
    2,3
    3,4
    1,4


  1. Structure are being built along the river. The builders did not remove the trees and plants along the river bank. Why were the builders so careful?
    To control the mosquito population.
    To keep sailboats from using the property.
    To make the area safe for the builders.
    To protect the bank from erosion.





Julia Gessula
Raleigh, NC