Create an account to track your scores
and create your own practice tests:
Test: 4th Grade Science
1. | Scientists are studying different cliff faces and how their rates of erosion are affected by the slope of the rock formation. DJ thinks that the steeper the cliff, the higher or faster the rate of erosion will be. Matt says it will be the opposite, that the steeper the cliff is, the lower or slower the rate of erosion will be. They know gravity pulls rocks down, and this will have an effect on the cliff's erosion rate. Based on the data chart below, who is correct, and why? |
DJ is correct because erosion requires something to have been weathered by wind, water, ice, or vegetation, and these things can't affect a steeper slope.
DJ is correct because when a cliff is steeper, it allows the force of gravity to move more rock faster.
Matt is correct because when a cliff is steeper, it does not allow the force of gravity to move more rock faster.
Matt is correct because erosion requires something to have been weathered by wind, water, ice, or vegetation, and these things can't affect a lower slope.
Certified Tutor
Certified Tutor
