Fill in the Blanks(Pick the correct word from the options in brackets)
(i) We taste food with our ____________. (fingers/tongue)
(ii) We have____________ sense organs, (five/six)
(iii) While reading a book, we use our ____________. (eyes/ears)
(iv) Our nose helps us to ____________. (hear/smell)
(v) Our skin can make out if an object is hot/cold by ___________. (smell/feel)
Match the Following (Match the following sense organs with the activity performed by them.)
Name the Sense Organs.
(i) We help you to hear ____ (ii) I help you to taste the food ____ (iii) I help you to smell ____ (iv) You cannot see without ____ (v) You can feel the objects with my help ____
Crossword Puzzle
(Fill in the boxes using the clues given below to complete the crossword.)
Choose the correct answers.
(i) When we take food where does it go? (a) Stomach (b) Lungs (c) Heart (d) Brain
(ii) What helps us to know the world around us? (a) Internal organs (b) External organs (c) Sense organs (d) All the above
(iii) Why does a doctor put a stethoscope on our chest? (a) To play with us. (b) To listen to our heart beat. (c) To frighten us. (d) All the above
(iv) Peter came first in ‘Running’ on the sports day of his school. Which of the following external organs helped him in running? (a) Ears (b) Heart (c) Legs (d) Tongue
TRUE or FALSE
(Write TRUE or FALSE for given statements)
(i) We read with our hands.
(ii) We smell with the help of our eyes.
(iii) We listen to the music with the help of our ears.
(iv) We can lick an ice cream with the help of our tongue.
(v) We can feel with the help of our nose.
Answer the following questions.
(i) Name the organs of your body which are in pairs.
(ii) Name the five sense organs and the function they perform.
(iii) Can you taste a thing with your eyes closed?
(iv) What do you do with your hands? How many fingers do you have in each hand?
Think about all the things around you that use wheels—cars, bikes, even shopping carts! How would life be without them? Moving things would be much harder, right? The wheel has made it much easier to transport things quickly and with less effort. Let’s explore how this simple invention has helped shape the world.
Wheel is a circular object that helps in moving things across the ground. The invention of the wheel is one of the most important developments in human history, as it has greatly impacted transportation and trade. Wheels are commonly found in various everyday items, such as cars, bicycles, carts, and toys.Early Inventions
Before the Invention of Wheels
Before wheels were created, people used various methods to move heavy objects.
One such method involved rolling logs under items, which made the process slow and challenging.
People also utilized simple wooden carts, which were flat platforms that glided on the ground.
Additionally, they sometimes dragged items directly along the ground, requiring a lot of effort.
The Invention of the First Wheels
The earliest wheels were crafted for pottery over 5,000 years ago.
In those ancient times, these wheels were heavy and not as functional as the wheels we have today.
The creation of the wheel marked a significant technological advancement.
It facilitated easier movement of objects, boosted trade, and sparked a wave of new ideas and inventions.
Try yourself:
What is the main purpose of the invention of the wheel?
A.To make pottery
B.To facilitate easier movement of objects
C.To create toys
D.To build carts
View SolutionHow Wheels Work?
(i) Round Shape
The round shape of a wheel is fundamental because it enables smoother rolling. Rolling is inherently easier than sliding, which enhances the movement of objects.
This design feature not only conserves energy but also reduces effort, making it more manageable to transport heavy loads.
(ii) Axle and Wheel
The wheel is firmly attached to a central rod called the axle, which facilitates the wheel’s rotation.
Wheels are instrumental in the movement of various vehicles, playing a vital role in transportation.
Importance of Wheels
Wheels made travel faster and easier, helping people go longer distances and carry more things.
This improvement helped in trade, talking to others, and building better cities.
The invention of the wheel led to the making of carts, cars, and bicycles, making life simpler.
These vehicles helped people move quickly and transport goods easily.
Because of wheels, people from faraway places could connect and trade with each other.
Evolution of the Wheel
The wheel is a crucial invention in history that greatly facilitated travel and the movement of goods.
Early Developments: Initially, wheels were made of solid wood, which made them heavy. Over time, they were improved by adding spokes, making them lighter and stronger.
Modern Advancements: Today, wheels are used in a wide range of applications, from small toys to large machinery. They are designed to be durable and operate smoothly, significantly impacting daily life and trade.
Try yourself:
What is the purpose of the round shape of a wheel?
A.To make it easier to slide.
B.To enable smoother rolling.
C.To make it heavier.
D.To prevent movement.
View SolutionSummary
The invention of the wheel was a significant advancement that greatly facilitated travel for people.
It not only made travel faster but also enabled the transportation of heavier loads with greater ease.
With the introduction of wheels, moving large and heavy objects became significantly simpler and more efficient.
One day, Aman and his friends were playing in the park when suddenly, his friend Tina had an accident and hurt her knee. She started crying in pain. Without wasting any time, Aman rushed to get some first aid supplies. He carefully cleaned the wound on Tina’s knee and applied a bandage to help her feel better. Their teacher noticed Aman’s quick response and smiled, saying, “Good job, Aman!You provided first aid and made Tina feel better.” Tina, feeling relieved, thanked Aman, saying, “Thank you, Aman! I’m feeling much better now.” Aman’s heart swelled with happiness as he realized the importance of knowing first aid and how it can help others in times of need.
Basic Safety Precautions
Let’s explore more about basic safety precautions and how to stay safe while helping others during accidents!
Understand why first aid is crucial in emergencies.
Learn how to treat small injuries like cuts and bruises.
Always keep a first aid kit handy.
Practice staying calm during an accident.
Know when to call for help if the injury is serious.
Try yourself:
What is the importance of first aid in emergencies?
A.To make people feel better emotionally.
B.To provide immediate assistance before professional help arrives.
C.To avoid getting in trouble with authorities.
D.To show off your medical skills to others.
View SolutionWhy is Safety Important?
Safety is crucial because it shields us from harm and accidents. Here are some reasons why safety is essential:
To Avoid Danger: Safety rules help us steer clear of risky situations that could lead to harm.
To Prevent Accidents: Following safety regulations ensures we stay injury-free in our daily activities.
To Protect Ourselves and Others: Being cautious keeps not only us safe but also those around us.
To Understand the Importance of Safety: Safety is vital for preventing injuries and promoting well-being.
Safety rules vary depending on the places we visit, such as school, home, roads, and playgrounds. By following these rules, we can stay safe no matter where we are.Safety at Home
Following a few simple safety rules can keep us safe at home.
Fire and Electrical Safety: Never play with fire or light firecrackers by yourself. Always use matchsticks in the presence of an adult, and make sure to put them out before throwing them in a bin. Do not try to put your fingers into a plug point. Avoid touching damaged electric wires and tell an adult so they can replace them.
Kitchen Safety: In the kitchen, always be cautious of the stove, hot utensils, and the food cooking. Stay away from the stove when it is on.
Sharp Objects Safety: Knives, scissors, and tools are sharp and can cause cuts. They should be used very carefully, and do not play with sharp objects.
Poisonous Substances: Do not taste anything you are not sure about. Many items, including some medicines, may be harmful for you.
Safety at School
You can save yourself from accidents at school by behaving responsibly and following the rules.
Important Safety Tips
Running inside the classroom and climbing on desks can lead to accidents. The corners of desks are sharp and can cause serious injuries.
Be careful when using the stairs. Never run or push anyone. Falling on the stairs can result in serious injuries.
When entering the science laboratory, exercise extreme caution. Never touch, taste, or smell anything without your teacher’s permission.
Blades are not for your use. Do not use them to sharpen pencils.
Basic First Aid Knowledge
Knowing basic first aid for common injuries is important. Schools should have essential first aid supplies, including:
Adhesive bandages
Gauze pads and adhesive tape
Antiseptic wipes
Scissors
Tweezers
Cold packs
Emergency contact numbers
Try yourself:
What should you do when you see damaged electric wires at home?
A.Touch them to see if they are really damaged.
B.Ignore them and continue using electrical appliances.
C.Inform an adult so they can replace them.
D.Play with them to see what happens.
View SolutionSafety on the Road
Playing on the roads is very risky and dangerous.
Footpaths are for walking. If there is no footpath, walk on the edge of the road and be careful of traffic.
If you ride a bicycle, always ride on the left side of the road. Use hand signals to show when you are turning. If you are in a car, always wear your seat belt.
Cross the road only at the zebra crossing for pedestrians. Before crossing, look to your right, then to your left, and then to your right again. Only cross when it is clear. Be extra careful when there is no zebra crossing.
Follow the traffic signals. A green light means go, a red light means stop, and a yellow light means get ready to stop.
Always stand in line when getting on a bus to stay safe and avoid accidents.
Many accidents happen when people try to get on or off. moving bus. Never try to do this.
When riding a bicycle, always wear a helmet to protect your head.
Safety on the Playground
Sometimes, to win a match, players may start breaking the rules and playing roughly.
It is important to always follow the rules of a game. They are important for safety and fair play.
Playing games fairly and safely helps prevent accidents and makes the game fun for everyone.
Do not push or trip others while playing to keep everyone safe.
First Aid
Stay Calm: When an accident happens, it’s important to stay calm. You can help the injured person by following some simple steps. The help they need right away is called first aid.
Find an Adult: Immediately try to find an adult to assist you.
Keep People Away: Never let a crowd gather around the injured person.
Don’t Move The Injured Person: Avoid moving the injured person, especially if you suspect a broken bone, as this could cause more harm.
Make Them Comfortable: Make sure the injured person is either seated or lying down comfortably.
Treat Bleeding Wounds: If there is a bleeding wound, wash it with clean water.
Bandage The Wound: Properly bandage the wound to stop the bleeding.
Treat Burns: If someone has a burn, hold the burnt area under cold running water.
Call For Help: Always call for medical help as soon as possible.
Try yourself:
What should you do if you see someone with a bleeding wound?
A.Wash the wound with clean water.
B.Apply pressure to stop the bleeding.
C.Move the injured person to a different location.
D.Ignore the wound and continue playing.
View SolutionHome is Best
A home offers us safety from various things like weather, animals, and harmful things. Some features are important for a healthy life. So, our home should be made and taken care of with these important things in mind.
A Good Home
Sunlight is important because it kills germs. There should be windows placed in a way that allows sunlight to come in.
It’s important to have windows and ventilators to bring in fresh and clean air.Also, planting trees and plants around the house helps to clean the air.
Open spaces like verandas or balconies are needed for getting sunshine and fresh air.
Wire netting on doors and windows can keep insects like flies and mosquitoes out while allowing air and sunlight to come in.
Cleanliness and hygiene are important in all parts of the house. A proper drainage system is important to keep bathrooms clean and dry by removing dirty water.
Dirty water and garbage should not collect inside or outside the house, as this can bring insects and germs.
Care of the House
Germs mainly grow in the kitchen, bathroom, and rubbish bins. These places should be cleaned properly every day.
The rest of the house should also be cleaned daily.
Flies and cockroaches should be kept out of the kitchen because they can spread diseases.
Always make sure the food is covered.
Make sure fresh air and sunlight can enter the kitchen and bathroom.
Rubbish bins should be kept covered.
Conclusion
Safety is a fundamental aspect of our lives that applies to various settings, including home, school, on the road, and during play.
Adhering to simple safety rules is crucial for preventing accidents and ensuring the well-being of ourselves and others.
First aid plays a vital role in providing assistance to others during emergencies.
Remaining calm, acting swiftly, and seeking help from adults can significantly impact life-saving situations.
A clean and well-maintained home environment is essential for safeguarding our health and safety.
Maintaining proper hygiene and cleanliness is essential to protect ourselves from diseases caused by germs.
By being responsible, cautious, and mindful of safety measures, we can foster a secure environment for ourselves and those around us.
It is important to remember that safety should always be a top priority!
What are Directions?Imagine you are playing a fun treasure hunt in a big park. You have a map in your hand, but how will you find the treasure?
Map
That’s when direction helps you!
Directions tell us which way to go, like left, right, straight, or back.
They help us understand where things are and how to reach a place easily.
For example, if your teacher says, “Turn right and go to the blackboard,” she is using directions!
Directions
Try yourself:
What are directions used for?
A.Helping us find hidden treasure in a park
B.Showing us which way to go
C.Playing games and navigating
D.Understanding where things are in relation to us
View Solution
Understanding Our Body Sides Before learning big directions like North and South, let’s learn about our body directions:
Front: The way you are facing.
Back: Behind you.
Left: The side of your left hand.
Right: The side of your right hand.
Four Main DirectionsOn maps and in the real world, we use four main directions:
North – It is at the top of a map.
South – It is at the bottom of a map and opposite of North.
East – The sun rises in the East. You can remember: “East comes with the Early sun!”
West – The sun sets in the West. You can remember: “West is where the day rests!”
These directions are like invisible arrows that guide us when we travel or use a map.
Try yourself:
Which direction is where the sun rises in the morning?
A.North
B.South
C.East
D.West
View Solution
What is a Map?
A map is a drawing of a place — it could be a city, a school, or even the world!
MapA map shows:
Where things are (like buildings or roads)
Which way to go using directions
Maps use the four directions:
Top = North
Bottom = South
Right = East
Left = West
Next time you see a map, try pointing to where North is!
How to Use Directions to Find a PlaceTo locate a place with the help of directions, we use landmarks and follow specific instructions.
Route MapLet’s understand with an example: Imagine Rohan wants to go to his friend Nitin’s house to play. He follows the directions carefully from his school:
Start at the school.
Walk straight to the milk booth.
Turn left after the milk booth.
Walk straight until he sees a big tree.
At the tree, turn right.
Walk ahead to Santom Hospital.
Turn right again.
Walk straight to the temple.
Turn right at the temple.
Walk a little and see a bank.
Turn left at the bank.
Reach the post office.
Turn left again.
Finally, Rohan reaches Nitin’s house!
Each turn and place helped Rohan move in the right direction. He used landmarks like trees, hospitals, and banks to remember where to go.
Summary: Directions
Directions are very helpful in real life.
They help you find places like a friend’s home or a shop.
They help postmen deliver letters.
Pilots and drivers also use directions to travel safely.
Learning directions is like learning to be your own explorer!
