Science Pre-test
Quiz by Emmanuel F. Brutas
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- Q1
1. How does temperature break the rocks apart?
By cooling and heating, the structure of the rock weakens.
By cooling and heating, the rock becomes smooth.
By cooling and heating, the rock becomes hard.
By cooling and heating, the rock becomes colorful.
30s - Q2
Why is weathering useful to plants and animals?
Because of formation of soil
Because of formation of rocks
Because of formation of fossils
Because of formation of landscape
30s - Q3
What do you call the breaking down of rocks into smaller pieces?
weathering
soil formation
erosion
rock elements
30s - Q4
Which of the following is the product of continuous breaking of rocks?
typhoon
weathering
erosion
soil formation
30s - Q5
What is the type of weathering that happens when the rock changes its composition?
weathering
mechanical weathering
soil formation
chemical weathering
30s - Q6
The following tends to cause physical of mechanical weathering. Which is not?
Roots of plants growing into the cracks of the rocks
Dead plants that produce acids
Animals that burrow under the ground
Water that seeps into the pores and cracks of rocks
30s - Q7
You noticed that some small plants are growing on the rocks. What do you think will happen to this rock after some time?
The plants will make the rock rough.
The rocks will break the rock.
The plants will make the rock hard.
The plants will make the rock smooth.
30s - Q8
Why is the soil with growing trees not easily eroded by water?
The roots absorb the water.
The soil is compact and hard to break
The roots hold the soil particles together.
The soil stops the water from seeping.
30s - Q9
Which of the following activities contribute to the breaking down of rocks?
fishing
mining
reading
scuba diving
30s - Q10
How do roots of plants contribute to the breaking of rocks?
The roots get bigger and push the cracks of the rocks.
The roots heated the rocks.
The roots absorbed rock particles.
The roots leave materials on the rocks.
30s - Q11
Which of the following is the effect of soil erosion?
It breaks rocks into smaller pieces.
Erosion happens every day.
It washes away the topsoil.
It happens very slowly.
30s - Q12
Which of the following factors of soil erosion can cause rockslide or landslide?
slope of the land
type of soil
climate
vegetative cover
30s - Q13
The following human activities causes weathering. EXCEPT
building roads and tunnels
boating and fishing
quarrying of rocks
mining
30s - Q14
What makes the soil less fertile after a heavy rain?
carbonation
oxidation
erosion
weathering
30s - Q15
How does soil erosion affect fisheries in our country?
Siltation happens in the lower ground within the area.
Fishes will die.
Soil is carried down to the fisheries
Siltation happens in the lower ground within the area
30s