Font size
WorksheetsScience Quiz
Total questions: 25
Worksheet time: 21mins
Which Of these does not cause weathering of rocks
Rain
Pollution
Wind
Force of flowing water
Which of these ways of soil erosion is not caused by humans?
Deforestation
Fast flowing rivers
overgrazing
Ploughing
Which of these can be caused by soil erosion?
Drought
Cyclone
Flood
Earthquake
Which of these measures is most useful in preventing soil erosion by water in hilly areas?
Covering the soil
Building Embankmemts
Step Farming
Growing hedges along farmlands
Soil takes more time to form than to get eroded
(a)
Roots of plants bid the soil particles and prevent soil erosion
(a)
Soil erosion due to flowing water is more on hill slopes than on plains
(a)
Soil in Farmlands are less likely to get eroded after a crop is harvested.
(a)
Terrace farming is mainly done to reduce soil erosion due to wind
(a)
Soil is formed by the breaking down of (a)
The wearing away of rocks is known as (a)
The cutting down of trees of (a) increases soil erosion.
The protection against soil erosion is called (a)
(a) farming is done on hill slopes to prevent soil erosion.
With what force does every object in the universe attract other objects near it?
Frictional force
Gravitational force
Elastic force
Mechanical force
What is the force that makes a material resist stretching and go back to its orginal state?
Muscular force
Gravitational force
Elastic force
Frictional force
Which of these is a second class lever?
Scissors
Pliers
Tweezers
Bottle opener
Which of these is not a simple machine?
See-Saw
Scissors
Bicycle
Screwdriver
What is used to convert water energy to electrical energy?
Turbine
Windmill
Solar cooker
All of these
A rod free to rotate about a fixed point
(a)
Made out of 2 inclined planes
(a)
Simple machine ( a slope)
(a)
A nail with a winding edge cut into it
(a)
A grooved wheel with a rope passing around it
(a)
A wheel with a rod attached to the centre
(a)
