SOLUTION

• Handle sharp objects like knives, razors, scissors carefully.
• Be careful when lighting something with matches.
• Use oven gloves or tongs to handle hot objects.
• Switch off gas stoves to avoid leakage of gas.
• Do not leave soap bars and detergents on the floor.

SOLUTION

1. We should always be careful on the stairs. We must avoid jumping or skipping on the stairs.
2. We should always keep toys and other things in proper places, not on the floor as they can cause a hazard.
3. We should not climb on any furniture, it might trip and make us fall.
4. Always make sure that the floor is clean. If something is spilled, wipe it off immediately and always take medicines under the supervision of an adult.

SOLUTION

Preventive measures are:

1. We should always keep the soap in the soap dish and not on the floor.

2. Also, keep the detergents and shampoos in place to avoid slippery floor.

3. Always  keep a check on the geysers, electrical switches and other electrical appliances in the bathroom. Never touch them with wet hands. 

4. Do not play with razors, blades and scissors kept in your father’s shaving kit.

SOLUTION

Poisoning can be caused in case of snake bites.

The bites of a poisonous snake such as Cobra and Krait can cause fatality.

In case of snake bite, a tight bandage should be tied just above the wound which can slow down the spread of poison by reducing blood flow.

SOLUTION

Fractures are usually caused if a person falls and gets hurt, a bone may get broken.

It’s not easy to find out that the bone is broken, we can observe the patient if he is in a great pain while moving a hand or a leg even after 10 to 15 minutes of injury.

It is strictly advised not to move that part of the body if the bone is broken. A sling can give support to the arm and prevent its movement.

SOLUTION

Nose injury can be caused when a foreign object enters the nose or nosebleed.

Nose injury is common in the small children who may put peanuts, beans, raisins or similar objects into their nose.

SOLUTION

Nose bleeding:

1. Pinch the nose or hold it for 5 - 6 minutes.

 2. Put cold wet towel on the face and back of the neck to stop the bleeding.

SOLUTION

For fainting:

1. Make him/her lie down, with head lower than the body.

2. Allow fresh air around the person.

SOLUTION

For burns:

 1. Keep the burnt area under cold running water.

 2. Put an ice pack on the burnt area for a few minutes.

3. Apply an antiseptic cream.

SOLUTION

For minor cuts: 

1. Clean the wound with cotton and antiseptic lotion to remove all the dirt.
2. Apply an antiseptic cream.
3. Tie a bandage

SOLUTION

For deeper cuts

1. Make the injured person sit or lie down.
2. Keep the wounded part of the body raised, to stop the flow of blood.
3. Clean the wound with cotton and antiseptic lotion to remove all the dirt.
4. Apply an antiseptic cream.
5. Tie a bandage.
6. Call for a doctor or ask an adult to take the injured person to a doctor.

SOLUTION

If anyone gets hurt and you have to give first aid, keep the following things in mind:

1. Keep yourself calm.

2. Wash your hands thoroughly before giving first aid to the injured.

3. Do not crowd around the injured person.

SOLUTION

For a first aid box, all that is needed is a small box in which we can keep the following things:

1. Antiseptic lotion

2. Cotton pads

3. Sterilized gauze

4. Scissor

5. Band aids

6. Crepe bandage

7. Antiseptic cream and

8. Methyl spirit

SOLUTION

The rivers which carry water in them throughout the year are called perennial rivers.

SOLUTION

The term perennial means ‘permanent’. These rivers have water in them through-out the year and are termed as perennial. Some rivers are perennial rivers because they are snow-fed by the glaciers.

SOLUTION

The only difference between geyser and spring is that spring water comes out continuously but water from geysers comes out at regular intervals.

SOLUTION

Geysers are fountains of hot water that spurt through a vent in the earth’s surface. The water gushes out at regular intervals.

SOLUTION

SOLUTION

Underground water is not suitable for drinking as it contains large amount of impurities. Some springs even contain sulphur which is harmful.

SOLUTION

1.Snow-fed

2. evaporates

SOLUTION

Some rivers depend on rainfall for water. These rivers carry water only during the rainy season and almost dry up during summers such as Krishna, Godavari and Mahanadi are the rain-fed rivers.

SOLUTION

Condensation.

SOLUTION

SOLUTION

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a.  91

SOLUTION

a. Water table

b. The Old Faithful

SOLUTION

b. precipitation.

SOLUTION

Precipitation in the form of hail, snow or rain is the source of freshwater on earth.

SOLUTION

water cycle

SOLUTION

a. True

b. False

SOLUTION

a. condensation

b. tube-wells

SOLUTION

a. disagree

b. agree

SOLUTION

chlorination

SOLUTION

A filter paper separates the impurities from the water and provides us with clean water.

SOLUTION

bottom, decantation.

SOLUTION

1.   mulch

2.   defrost

SOLUTION

(Probable answer)

Save Water Save Earth

SOLUTION

SOLUTION

1)   It allows easy supply of water during peak demand period.

2)   It smooths out the variation in the supply.

3)   This provides water security in case of supply interruptions.

SOLUTION

1)   Take a container; now tie a thin cloth around its mouth.

2)   Now pour the water on this cloth.

3)   The container will thus, have clean water.

SOLUTION

1)   Sedimentation

2)   Decantation

3)    Filtration

4)   Chlorination

5)    Boiling

SOLUTION

Answer may vary

SOLUTION

A delta is very fertile .This is because the silt and sand deposited at the mouth of the river makes the land fertile.

SOLUTION

Answer may vary

SOLUTION

b. Mouth of the river

SOLUTION

SOLUTION

In tube-wells, electricity is used to draw out underground water. The filter in the pipe of a tube-well provides water suitable for drinking.

SOLUTION

Rivers originate from melting glaciers or when heavy rainfall leads to the formation of small streams. These finally grow into a bigger river.

SOLUTION

Lakes are formed by rainwater or by melting ice from glaciers which get accumulated in depressions.

SOLUTION

a. delta

SOLUTION

a.Narmada

b.Ganga

SOLUTION

SOLUTION

I am a water body usually found in villages. I am a little smaller in size than a river and tend to dry up during the summer season. Guess who am I?

SOLUTION

When the moon comes in between the earth and the Sun while revolving, it blocks the view of the Sun from the earth. This is called as solar eclipse.

SOLUTION

The Sun does not move. It seems to move across the sky starting in the east in the morning, moving toward the south at noon, and then toward the west as the day ends.

It is the earth's rotation that makes it seem as though the Sun is moving.

SOLUTION

We are not able to see the Sun in the night time as at that time, the earth does not face the Sun.

SOLUTION

The earth is known as the blue planet.

SOLUTION

We have day and night because the earth rotates on its axis.

SOLUTION

a. 0°

SOLUTION

The equator divides the earth into the  northern and southern hemispheres.

SOLUTION

Equator is the imaginary line which divides the earth in two hemispheres.

SOLUTION

SOLUTION

There are eight planets that orbit the Sun. Together with Sun, they make up our solar system.

Mercuryis the first and nearest to the Sun whereas Jupiter is the largest and fifth planet of our solar system.

SOLUTION

a.Earth

b. Axis

c.  24 hours

d.365 days

e.Equator

SOLUTION

A globe is a small spherical representation of the earth.

SOLUTION

SOLUTION

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Nitrogen gas makes up the majority of our atmosphere.

SOLUTION

Leaves fall off the trees and not float in the air because of the earth's gravitational force.

SOLUTION

The earth's crust is made up of many important minerals which supports life on the earth.

SOLUTION

The earth is the third planet of our solar system.

SOLUTION

Our earth takes 24 hours to complete its one rotation on its axis, which is how we face every new day in 24 hours.

SOLUTION

Warm air gets cooler during the night time as compared to the morning air.

SOLUTION

Yes, the earth is the only planet where people can breathe.

SOLUTION

Crust is the outermost layer of the earth and is also the thinnest layer.

SOLUTION

1220 km

SOLUTION

5150 km

SOLUTION

2900 km

SOLUTION

Earth can be compared to a peach fruit. The outer layer is the crust, the inner peach is the mantle and the pit of the peach fruit is inner and outer core.

SOLUTION

Earth was a ball of dust and hot gases. It kept spinning while the outer layer turned hard.

SOLUTION

It is coal.

SOLUTION

The scientists gather knowledge regarding the earth’s interior by studying earthquakes.

SOLUTION

6370 km

SOLUTION

12 km

SOLUTION

Why change in seasons occurs?

SOLUTION

Temperate zone

SOLUTION

It is the height of region above the sea level.

SOLUTION

Temperate zone

SOLUTION

Torrid Zone

SOLUTION

North Frigid Zone

SOLUTION

South America, Africa and Asia.

SOLUTION

Frigid Zone

SOLUTION

Sewage waste, garbage and industrial waste get dumped into the Yamuna river.

SOLUTION

The Yamuna river in the city of Delhi is suffering from water pollution.

SOLUTION

The Taj Mahal is suffering the consequences of acid rain.

SOLUTION

We get fizz and gas when we pour the solution of nitric acid and water over the chalk because the nitric acid reacts with the chalk.

SOLUTION

When we pour the solution of water and nitric acid on the chalk, we get fizz and gas.

SOLUTION

Air pollution

SOLUTION

air pollution