Class 3 Exam  >  Class 3 Notes  >  Science for Class 3  >  Worksheet Solutions: Safety And First Aid

Safety And First Aid - CBSE Worksheets Solutions

MCQs

Question 1: Which of these can give you an electric shock?
(a) Matchsticks
(b) Damaged electric wire
(c) Knives and scissors
(d) Medicines

Correct Answer is Option B.

Damaged electric wires can give us electric shock.

Question 2: Traffic light of which colour tells us to stop?
(a) red

(b) yellow
(c) green
(d) blue

Correct Answer is Option A.

Red traffic light tells us to stop.

Question 3: In which of these cases will you take care not to move the injured person?
(a) minor burn
(b) minor scratch
(c) broken bone
(d) bleeding wound

Correct Answer is Option C.

In cases of broken bones , we will take care not to move the injured person.

Question 4: Wire netting is used on doors and windows to keep away
(a) insects
(b) sunshine
(c) polluted air

(d) thieve

Correct Answer is Option A.

Wire netting is used on doors and windows to keep away insects.

Question 5: Which of these should you use to sharpen a pencil?
(a) blade
(b) knife
(c) sharpener
(d) Any of these

Correct Answer is Option C.

Sharpener is used to sharpen a pencil.

Question 6: On which side of the road should you drive your bicycle?
(a) left

(b) right
(c) centre
(d) on the zebra crossing only

Correct Answer is Option A.

We should ride our bike on the left side of the road. 

Question 7: Which of these should be present in a good house to ensure clean air?
(a) windows
(b) ventilators
(c) plants
(d) All of these

Correct Answer is Option A.

Windows should be present in a good house to ensure clean air.

Name the following.

Question 8:

  • You should keep to this side of the road when riding a bicycle. left
  • A useful thing that can give you a dangerous shock if you are not careful with it. A wire
  • A system which carries away dirty water from the bathroom.  Sewer
  • A sharp instrument that must be used carefully. Knife, Scissors
  • The first help that an injured person needs. First aid

EduRev Tips:

  • We should keep to the left side of the road when riding a bicycle. 
  • A wire is a useful thing that can give us a dangerous shock if we are not careful with it.
  • An underground pipe which carries away dirty drainage water and waste matter is called a sewer.
  • Knife, scissors are sharp instruments that must be used carefully.
  • First aid is the first help an injured person needs.

True & False

Question 9:

  • Being aware of the dangers around us can help us avoid them. True 
  • Letting sunshine into the rooms is important as it kills germs. True 
  • The green traffic light tells us to go, while the red light tells us to stop. True 
  • If someone has a burn, putting a bandage around the burn will give relief. False
  • Germs mainly live and grow in the kitchen, toilets and garbage bins so only these should be cleaned every day. True 

EduRev Tips:

  • Being aware of the dangers around us can help us avoid them.
  • Letting sunshine into the rooms is important as it kills germs. 
  • The green traffic light tells us to go, while the red light tells us to stop.
  • If someone has a burn, putting a bandage around the burn will not give relief.
  • Germs mainly live and grow in the kitchen, toilets and garbage bins so only these should be cleaned every day.

Answer the following questions in brief

Question 10: List five things in your home that can be dangerous.

Five things in our home that can be dangerous are:

  • Knives 
  • Scissors
  • Wires
  • Hot pot handles 
  • Broken mirror

Question 11: How can you avoid accidents on the playground?

  • Always play safe by being careful and showing courtesy.
  • Never run around or push and pull others while near playground equipment. 
  • Wear proper clothing.
  • When you get off equipment make sure there isn't anyone in the way.

Question 12: Why are the following things important in a house?
(a) Windows

They are important for fresh air and sunlight.

(b) Proper drainage system

This is the most important use of a good drainage system; it allows the free flow of water and in most cases prevents accumulation that can lead to flooding. Drainage systems also prevent the accumulation of stagnant water, which can encourage mosquitoes to breed.

(c) Open spaces

Open spaces improve the general health and well-being of the residents. It reduces stress, encourages physical activity.

Question 13: What will you do before crossing a busy road?

Use a crosswalk as a pedestrian if one is available. Look left and right and then left and check if any vehicle is moving towards you. If the road is clear you can cross it, but if the road id not clear wait for the road to clear.

Question 14: What will you do if someone is injured in an accident?

When an accident happens and someone gets hurt, we should try to keep cool and help the injured person. The first immediate help that an injured person needs is called first aid.
Explanation: In case of bleeding, wash the wound with clean water and cotton.

Question 15: You want sunshine and fresh air to come in your house, but you want to keep insects out. How will you do this?

If we want fresh air and want to keep mosquitoes away we should open the wooden doors and glasses of the windows and the doors with wire netting should be kept close.

The document Safety And First Aid - CBSE Worksheets Solutions is a part of the Class 3 Course Science for Class 3.
All you need of Class 3 at this link: Class 3
19 videos|48 docs|30 tests

Top Courses for Class 3

FAQs on Safety And First Aid - CBSE Worksheets Solutions

1. What are the basic first aid measures for minor cuts and bruises?
Ans. For minor cuts and bruises, the following first aid measures can be taken: - Clean the wound with mild soap and water. - Apply an antiseptic solution to prevent infection. - Cover the wound with a sterile bandage or dressing. - Elevate the injured area to reduce swelling. - Apply an ice pack to reduce pain and inflammation.
2. How should one respond to a person who is choking?
Ans. If someone is choking, the following steps can be taken to provide first aid: - Encourage the person to cough forcefully. - If coughing doesn't help, perform the Heimlich maneuver by standing behind the person and applying upward pressure on the abdomen. - If the person becomes unconscious, lower them to the ground and start performing CPR immediately. - Call for emergency medical assistance.
3. What should be done in case of a nosebleed?
Ans. In case of a nosebleed, the following steps can be taken: - Have the person sit upright and lean slightly forward. - Pinch the nostrils together with fingers and apply gentle pressure for about 10 minutes. - Avoid tilting the head back, as it may cause blood to flow down the throat. - Apply a cold compress or ice pack to the nose and cheeks to constrict blood vessels. - If bleeding persists or is severe, seek medical attention.
4. How can someone recognize the signs of a heart attack?
Ans. The signs of a heart attack may include: - Chest pain or discomfort that may spread to the arm, shoulder, jaw, or back. - Shortness of breath or difficulty breathing. - Nausea, indigestion, or stomach pain. - Cold sweat, lightheadedness, or fainting. - Women may experience additional symptoms like fatigue, dizziness, or upper abdominal pressure. If someone shows these symptoms, it is important to call emergency medical services immediately.
5. What is the recommended treatment for a sprained ankle?
Ans. The following treatment can be provided for a sprained ankle: - Rest the injured ankle and avoid putting weight on it. - Apply ice to the affected area for 15-20 minutes every 2-3 hours. - Compress the ankle with a bandage or elastic wrap to reduce swelling. - Elevate the injured ankle above the heart level to help reduce swelling. - Use over-the-counter pain relievers, if necessary. - If the pain and swelling persist or worsen, seek medical attention to rule out any fractures or serious injury.
19 videos|48 docs|30 tests
Download as PDF
Explore Courses for Class 3 exam

Top Courses for Class 3

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

MCQs

,

practice quizzes

,

ppt

,

past year papers

,

Important questions

,

Previous Year Questions with Solutions

,

pdf

,

Extra Questions

,

Summary

,

Safety And First Aid - CBSE Worksheets Solutions

,

mock tests for examination

,

video lectures

,

Semester Notes

,

Free

,

study material

,

shortcuts and tricks

,

Exam

,

Safety And First Aid - CBSE Worksheets Solutions

,

Sample Paper

,

Viva Questions

,

Objective type Questions

,

Safety And First Aid - CBSE Worksheets Solutions

;