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Weathering and Erosion — Free MYP1 Sciences Practice Questions
1QuestionDefinition and Types of WeatheringConcept Practice
2 marks~3 minCriterion A
The diagram shows a rock face with cracks. Tree roots have grown into the cracks.
a
Name the type of weathering shown in the diagram. [1]
b
Describe how the tree roots cause the rock to break apart. [1]
Solutions
2QuestionPrevention and Control of ErosionConcept Practice
2 marks~3 minCriterion D
A farmer plants strips of grass along the contour of a sloping field to slow down water runoff and reduce soil erosion.
a
Describe how grass strips help to prevent soil erosion. [1]
b
Describe one limitation of using grass strips on a sloping field. [1]
Solutions
3QuestionDefinition and Types of WeatheringConcept Practice
4 marks~6 minCriterion C
Four rock samples were left in vinegar for 24 hours to model the effect of acid rain.
| Rock type | Mass lost (g): |
|---|---|
| Limestone | 3.2 |
| Granite | 0.1 |
| Sandstone | 1.8 |
| Slate | 0.4 |
a
Identify the rock that lost the most mass and the rock that lost the least mass. [1]
b
Describe the pattern shown by the four mass-loss values. [1]
c
Marble is chemically similar to limestone. Describe how you would expect marble's mass loss to compare with limestone's mass loss, and give one reason for your answer. [2]
Solutions
4QuestionHuman Impacts on Erosion and Soil LossConcept Practice
4 marks~6 minCriterion B
The table below shows the tree cover and soil loss for four farm fields.
| Field | A | B | C | D |
|---|---|---|---|---|
| Tree cover (percent) | 80 | 50 | 20 | 5 |
| Soil loss (kg) | 10 | 35 | 80 | 150 |
a
Identify the pattern shown in the table. [1]
b
Describe why removing trees causes more soil to be lost. [1]
c
Compare Field A and Field D. Describe how a farmer could use this information to reduce soil loss on a field like Field D. [2]
Solutions
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