Soil
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Preview questions (no answers)
- 1.
Which natural element can blow soil from one place to another?
A.Sunshine
B.Gravity
C.Wind
D.Sound
- 2.
What covers the rocky surface of the Earth to support life?
A.Plastic sheets
B.Soil
C.Glass
D.Iron
- 3.
Which of these is a major reason for soil formation?
A.Changes in weather
B.Animals running
C.Birds flying
D.People walking
- 4.
If you find a very smooth pebble in a river, how did it become smooth?
A.Someone polished it
B.It was always smooth
C.It rubbed against other rocks while moving in water
D.It grew that way
- 5.
Which of these factors does NOT influence the formation of different types of soil?
A.Climate
B.Type of rock
C.The number of stars in the sky
D.Time
- 6.
What provides the minerals found in the soil?
A.The air
B.The original rocks
C.The rainwater
D.The clouds
- 7.
Which of these is most likely to be found in the very first step of weathering?
A.Fine dust
B.Large cracks in boulders
C.Dark brown humus
D.Earthworms
- 8.
If you see a rock with many different colors in the soil, what does it tell you about the soil's 'Parent Rock'?
A.The parent rock was painted by humans.
B.The parent rock was likely made of several different minerals.
C.The rock is actually a piece of plastic.
D.The sun changed the color of the rock after it broke.
- 9.
How do burrowing animals like moles help in the soil-forming process?
A.They eat the pebbles to make them smaller.
B.They bring rock fragments to the surface and allow air and water to reach deeper layers.
C.They keep the soil warm by sleeping in it.
D.They prevent the rain from reaching the rocks.
- 10.
Which of these statements about soil formation is FALSE?
A.It is a very slow process.
B.Only the sun is needed to make soil from rocks.
C.Living things play a part in making soil.
D.Soil contains both non-living rock bits and once-living organic bits.
Download the worksheet for Soil - Formation of soil to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Which of these is NOT a natural part of soil composition?
A.Dead insects
B.Small stones
C.Plastic spoons
D.Air
- 2.
How do animals like rabbits help the soil?
A.By eating all the plants
B.By digging burrows that let air in
C.By making it very hard
D.By drinking all the water
- 3.
Which of these best describes soil?
A.A pure liquid
B.A mixture of many things
C.A type of gas
D.A hard metal
- 4.
What kind of particles would you find at the beach?
A.Mostly clay
B.Mostly sand
C.Mostly humus
D.Mostly twigs
- 5.
Plants grow well in soil that is rich in which of these?
A.Salt
B.Humus
C.Rocks
D.Plastic
- 6.
Which soil component is most helpful in keeping the soil loose and airy?
A.Clay
B.Gravel
C.Sand
D.Silt
- 7.
Which of these is an example of an inorganic part of the soil?
A.Dead leaf
B.Earthworm
C.Pebble
D.Dried twig
- 8.
Which of the following statements best describes soil composition?
A.It is a fixed amount of only rock and water
B.It is a complex mixture of minerals, organic matter, air, and water
C.It is just dead plants that have turned into dust
D.It is a liquid found on the surface of the earth
- 9.
When soil is formed from the weathering of a red-colored rock, the resulting soil is likely to be red. This shows that soil composition depends on:
A.The amount of humus
B.The type of parent rock
C.The amount of water
D.The speed of the wind
- 10.
What is the primary role of 'Gravel' in soil?
A.To provide nutrients to plants
B.To hold water like a sponge
C.To provide drainage and structure
D.To decompose into humus
Download the worksheet for Soil - Composition of soil to practice offline. It includes additional chapter-level practice questions.
Types of soil (Sandy, Clayey, and Loamy)
SubtopicTypes of soil (Sandy, Clayey, and Loamy) under Soil for Grade 3 ICSE.
Preview questions (no answers)
- 1.
What is the texture of sandy soil?
A.Smooth
B.Sticky
C.Grainy
D.Soft
- 2.
Which soil type is best for making small toys and statues?
A.Sandy soil
B.Loamy soil
C.Clayey soil
D.Dusty soil
- 3.
What is the main color of most sandy soils found in deserts?
A.Dark black
B.Bright green
C.Yellow or light brown
D.Deep blue
- 4.
Which soil feels like fine powder when it is dry?
A.Sandy soil
B.Clayey soil
C.Loamy soil
D.Stone
- 5.
In which soil are the individual particles large enough to be seen easily without a magnifying glass?
A.Clayey soil
B.Sandy soil
C.Loamy soil
D.Silty soil
- 6.
Which of the following is used to make traditional lamps (diyas) and pots?
A.Sandy soil
B.Loamy soil
C.Clayey soil
D.Pebbles
- 7.
When you mix sand, clay, and organic remains in the right proportion, you get:
A.Pure sand
B.Clayey soil
C.Loamy soil
D.Mountain rocks
- 8.
If you wanted to create a man-made wetland or a bog, which soil would you use to ensure the water stays at the surface?
A.A deep layer of sand
B.A thick layer of clay
C.A mixture of sand and gravel
D.Pure humus
- 9.
Which of these would be the most difficult to wash off your hands with just a little bit of water?
A.Dry sand
B.Wet loamy soil
C.Wet clayey soil
D.Small pebbles
- 10.
What is the relationship between particle size and the amount of water a soil can hold?
A.Larger particles hold more water
B.Smaller particles have more total surface area to hold onto water films
C.Particle size has no effect on water retention
D.Sand holds more water because it has bigger holes
Download the worksheet for Soil - Types of soil (Sandy, Clayey, and Loamy) to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Why should we not throw plastic in the soil?
A.It makes the soil colorful
B.It harms the soil and the life in it
C.It makes plants grow faster
D.It turns into humus
- 2.
The soil provides _________ to the roots so they don't dry out.
A.Heat
B.Moisture
C.Light
D.Dust
- 3.
Which of these objects is made from a material found in the soil?
A.A plastic bottle
B.An earthen pot
C.A silk scarf
D.A woollen sweater
- 4.
Which soil type is known for having a mix of sand and clay?
A.Sandy soil
B.Clayey soil
C.Loamy soil
D.Stony soil
- 5.
Without soil, which of the following processes would stop occurring in nature?
A.The shining of stars
B.The growth of natural forests
C.The blowing of wind
D.The occurrence of tides
- 6.
Which of these is a medicinal plant that grows in soil and is used to treat common colds?
A.Tulsi
B.Rose
C.Lotus
D.Mushroom
- 7.
Small rodents like rats and squirrels often dig in the soil. How does this help the soil?
A.It makes the soil dusty
B.It helps in mixing the soil and allowing air to enter
C.It removes all the water from the soil
D.It makes the soil turn into sand
- 8.
If you see a bird picking up mud/soil to build a nest, how is the soil being important here?
A.As a source of food
B.As a building material for shelter
C.As a way to clean its feathers
D.As a way to hide from the sun
- 9.
What is the relationship between soil and the wood we use for furniture?
A.Soil is used to paint the wood
B.Trees need soil to grow the wood we use
C.Wood is actually a type of soil
D.Furniture is buried in soil to make it strong
- 10.
Which of these best describes why soil is considered a 'living' part of our planet?
A.Because the soil itself can walk and move
B.Because it is full of millions of tiny living organisms
C.Because soil is made of pure water
D.Because soil grows taller like a human being
Download the worksheet for Soil - Importance of soil to practice offline. It includes additional chapter-level practice questions.