SOLUTION
The four kinds of climates are:
- Dry climate
- Wet climate
- Humid climate
- Cold climate
Q. 152919
Match the following:
What are the different modes of water transport?
Steamer, Catamaran, Row boat, Speedboats, Sailboat, Raft, Ferry
Where does your grandmother live? How do you commute to meet her?
Answers may vary.
Which item in a first aid box is used to remove dirt from a wound.
Antiseptic lotion
How can we avoid injuries while playing any game?
We can avoid injuries while playing by following all the rules of the game properly and by using safety techniques like helmet and pads.
What first aid should be given for a case of fainting?
We should make the person lie down with the head lower than the body and allow fresh air to circulate around the person.
What first aid should be given for a case of insect bite?
We should apply a paste of baking soda and cold cream and then put ice cubes on the affected area.
What first aid should be given for a burnt case?
The burnt area should be kept under cold running water or we can put an ice pack on the burnt area for few minutes. Then antiseptic cream should be applied.
What first aid should be given for deep cuts?
We should make the person lie down first and keep the wounded part raised in order to stop the flow of blood. Now clean the wound with cotton and antiseptic lotion. Then apply antiseptic cream and tie a bandage.
What are the things which should be provided to a sport person for proper care?
Helmet, Goggles, Shoes and Pads.
What is the full form of RICE in case of a sprain?
Rest, Ice, Compression and elevation
What should we do immediately in case of nose bleeding?
We should pinch the nose and hold it for 5-6 seconds.
What first aid should be given for a minor cut?
First clean the wound with cotton and antiseptic lotion to remove all the dirt. Then apply the antiseptic cream and tie the bandage.
How can we stop the flow of blood from the wound.
By making the injured person lie down and keeping the wounded part of the body straight.
Which season falls in the month of October?
The season of Autumn falls in the month of October.
Which is the third season of the Indian subcontinent?
Rainy season is the third season of the Indian subcontinent.
What kind of summer does a humid place experience?
Humid place experiences hot and wet summers.
Name some animals of dry climate.
The animals of dry climate are fox and camel.
Name the four kinds of climates found in India.
The four kinds of climates are:
Match the following:
Name the factors affecting both weather and climate.
Temperature, wind, rainfall, snowfall etc. are some of the factors that affect both weather and climate.
Which season comes before summer season?
Spring season comes before summer season.
In which season, do people wear woolen clothes?
In winters, people wear woolen clothes.
Autumn
Which season comes after summer season in India?
Rainy or monsoon season comes after summer season in India.
True or false:
Weather that stays the same for many years is known as climate.
True
How is season different from weather?
Season is different from weather as it continues to be the same over many months.
What do you understand by the term ‘weather’?
Weather means a condition of atmosphere over a short period of time.
List four properties of air.
Light a candle and then cover it with a big glass jar. Write down your observation. Explain what happens and why.
Choose the correct option:
1) All living beings such as plants, insects, birds, animals and human beings need _____.
a) Air
b) Soil
c) Pollution
d) Weather
2) The layer of air surrounding the Earth is called
a) Lithosphere
b) Atmosphere
c) Troposphere
d) Hydrosphere
3) Atmosphere has one part
a) Oxygen
b) Carbon-dioxide
c) Methane
d) Hydrogen
4) Air has no
a) Pressure
b) Weight
c) Presence
d) Taste
5) Without ____, burning cannot take place.
a) Air
b) Water
c) Soil
d) Wood
1) Air
2) Atmosphere
3) Oxygen
4) Taste
5) Air
Rahul observed a scale in a map which reads 1 cm= 100 km. He measures distance between Delhi and Mumbai to be 5 cm. What is the actual distance between these two cities?
5 cm X 100= 500 km.
Therefore, the distance between Delhi and Mumbai is 500 kms.
Take a map of your state and draw it in the given space. Locate it’s capital and your city on that map
Answers may vary.
In the map of India, locate the capital of our country.
Answers may vary.
What happens to the soil when it rains?
When it rains, the water enters the soil through various pores and cracks. The top soil absorbs some water and becomes moist.
How do the strong winds affect the soil?
Strong winds blow away the nutrients of the top soil. This leads to soil erosion.
What changes occur in the soil due to heat?
Due to excessive heat, the soil gets dry and hard.
List the weather conditions that affect the soil profile.
The weather conditions are:
a. Wind
b. Heat
c. Rain
Which layer of soil is totally devoid of plant roots?
The bed rock layer of the soil is totally devoid of plant roots.
What is the composition of bed rock?
Bed rock comprises of hard-unbroken rocks and very little organic matter.
Which horizon constitutes the bed rock?
‘C’ horizon
What is bed rock?
The lowest layer of the soil is known as bed rock.
What is the composition of sub soil?
Sub soil is made up of sand, clay and rock.
Why is the sub soil lighter in colour?
The sub soil is lighter in colour because it contains less organic matter.
How many years does it take to create 1 inch of top soil?
It takes 400 years to create 1 inch of top soil.
Where do the roots of the plants grow?
The roots of the plants grow in the A horizon of the top soil.
Which horizon is the best for the growth of plants?
The ‘O’ horizon of the top soil is best for the growth of plants.
Why is the top soil dark in colour?
The top soil is dark in colour as it contains high amount of humus in it.
Which factors play a vital role in the growth of plants?
Moisture and oxygen play a vital role in the growth of plants.
Label the layers of soil.
Name the layers of soil.
Top soil, sub soil and bed rock
How many layers does the soil contain?
The soil is made up of three layers.
What is soil profile?
Soil profile is the vertical section of the soil.
Name the liquid which is sticky in nature.
Honey is a liquid which is sticky in nature.
Rashmi went for cycling with her friends. Suddenly, she noticed, that her bicycle’s tier was flattened. How she can repair the tier?
She can repair the tier by filling with air. Air occupies space and has weight.
Sam is flying a kite in the garden. What do you think is making Sam’s kite move?
Wind helps to fly the kite in the sky.
Reema caught a dragonfly and kept it inside a matchbox. After sometime she found it dead. Explain.
All living beings breathe in oxygen present in the air. The lack of oxygen inside the match box causes the death of the dragonfly.
Which gases do plants breathe in and breathe out?
Plants breathe in carbon dioxide and breathe out oxygen.
Define atmosphere.
The layer of air surrounding the Earth is called the atmosphere.
Define pollution.
The mixing of harmful gases and other particles in the air is called air pollution.
Mention any one property of air.
Air has no taste.
What is Air?
Air is the mixture of many gases.
Define wind.
The moving air is called wind.
What do we exhale during breathing?
Carbon dioxide
Name the machine which converts the wind energy with the help of blades.
Windmill
Name the gas which helps in burning.
Oxygen
What is the moving air called?
Wind
Name the layer of air surrounding the Earth.
Atmosphere
Write a paragraph on your ‘Favourite Season’. Give the reasons.
Hints:
Name any one feature of a cold climate.
The cold climate gets snowfall during winters.
The following drink is preferred during which climate?
Dry climate
The following dress is worn in which season?
Summer
Arrange in correct order:
Winter, rainy season, autumn, summer, spring
Spring, summer, rainy season, autumn, winter
True or false:
The average of rainfall, temperature, wind and snowfall over a short period of time is known as climate.
False
Why do we use colours on a map?
Colours are used to show forests, rivers, mountains etc on a map.
When we face the sunrise, which direction are we looking at?
East direction.
What is the difference between a sketch and a map?
A sketch is a rough drawing of any area. It has no exact measurements.
A map is a detailed drawing of an area. It has exact measurements.
Nowadays, people use an application named ’Google Maps’ on their mobile phones. Find out from your elders, about the benefits of this application.
This application helps us to find directions for reaching our destinations.
What is an atlas?
A collection of maps is called an atlas.
Radhika went to a nearby market with her mother. On her way she was separated from her mother. How can she trace her way back to her home?
Radhika can identify the landmarks on her way and can trace her way back to her home.
Identify this instrument and write it’s use.
The instrument shown here is compass and it is used to see directions.
How can you determine directions on a map?
The upper side of the map shows North, lower side shows South, right side shows East and left side shows West.
Mention any two advantages of maps over globes.
1. Maps can be carried easily from one place to another.
2. Maps can show detailed information of any place.
Observe the symbols which are usually shown on a map and write what do they mean.
(a) bridge
(b) river
In the given space draw the route from your home to the nearest market.
Answers may vary
All of us visit some places regularly and are familiar with the things observed on our way. List any five landmarks which you observe regularly on your way from home to school.
Hint:
Park
Hospital
College
Fill in the blanks:
a.The upper portion of a map depicts _________ direction.
b.A _______ is easily folded and carried from one place to another.
c. A ________ is an easily recognizable sign which helps us to locate our place.
d.A ________ helps to measure the distance between two places.
e.To show different things on a map we use ________.
a.north
b.map
c. landmark
d.scale
e.symbols
Match the given images with its name.
What are landmarks? How do they help in locating places?
Landmarks are easily recognizable signs which helps us to locate our place. For example: A park, hospital, shop or any sign board. These landmarks help us to know our position and reach our destination.
What do you do with a scale on map?
A scale helps us to measure the distance between any two places.
Write whether the given statements are True or False:
a.A map can be rolled and carried in a bag.
b.We cannot decide the location of mountains and rivers on a map.
c. The rivers are shown in green colouron a map.
d.A book of maps is called an atlas.
e.A globe is sometimes difficult to carry.
If the earth stops rotating on its axis, what kind of changes would you expect?
Hint:
The rotation of the Earth on its axis causes day and night.
What is the correct order of the planets in the Solar System, starting closest to the Sun?
d. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
How far is our planet from the moon?
b. 384, 400 km
Describe the process of weathering.
Due to the changes in weather and temperature, big rocks break into smaller pieces over a long period of time. These pieces are carried by rainwater or river water to far off places, breaking up into smaller pebbles. Gradually, these pebbles turn into soil. This entire process is called weathering.
Why is topsoil used for growing crops?
Topsoil is dark in colour and is rich in humus and minerals which facilitates the plant’s growth.
What type of soil is used as a building material for houses?
Sand is mixed with cement and is used as a building material in houses, dams and mines.
List any three uses of soil.
What kind of soil is suitable for growing the wheat crop and why?
Loamy soil is the best soil for growing wheat as it contains lots of humus and can hold air and water.
Write whether you agree/ disagree with the following statements.
Soil types differ from each other in their composition.
Agree
disagree
Agree
Agree
Agree
Why can’t seeds germinate in the subsoil?