Class 3 Exam > Class 3 Notes > Science for Class 3 > Worksheet: Safety And First Aid
Safety And First Aid - CBSE Worksheets
Q1. Multiple Choice Questions (MCQs)
1. Which of these can give you an electric shock?
(a) Matchsticks
(b) Damaged electric wire
(c) Knives and scissors
(d) Medicines
2. Traffic light of which colour tells us to stop?
(a) red
(b) yellow
(c) green
(d) blue
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
4. Wire netting is used on doors and windows to keep away
(a) insects
(b) sunshine
(c) polluted air
(d) thieve
5. On which side of the road should you drive your bicycle?
(a) left
(b) right
(c) centre
(d) on the zebra crossing only
Q2. Name the following.
a) You should keep to this side of the road when riding a bicycle.
b) A useful thing that can give you a dangerous shock if you are not careful with it.
c) A system which carries away dirty water from the bathroom.
d) A sharp instrument that must be used carefully.
e) The first help that an injured person needs.
Q3. True & False
a) You should run in the classroom to reach your desk quickly.
b) Letting sunshine into the rooms is important as it kills germs.
c) The green traffic light tells us to go, while the red light tells us to stop.
d) If someone has a burn, putting a bandage around the burn will give relief.
e) Germs mainly live and grow in the kitchen, toilets and garbage bins so only these should be cleaned every day.
Q4. Match the following:
Q5. Answer the following questions
a) List five things in your home that can be dangerous.
b) How can you avoid accidents on the playground?
c) Why are the following things important in a house?
(i) Windows
(ii) Proper drainage system
(iii) Open spaces
d) What will you do before crossing a busy road?
e) What will you do if someone is injured in an accident?
You can access the solutions to this worksheet here.
The document Safety And First Aid - CBSE Worksheets is a part of the Class 3 Course Science for Class 3.
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FAQs on Safety And First Aid - CBSE Worksheets
| 1. What are the essential items to include in a first aid kit? |  |
Ans. A well-stocked first aid kit should include items such as adhesive bandages, sterile gauze pads, adhesive tape, antiseptic wipes, scissors, tweezers, a digital thermometer, disposable gloves, pain relievers (like ibuprofen or acetaminophen), and a CPR face shield. It's also wise to include any personal medications, a first aid manual, and emergency contact information.
| 2. How can I perform CPR on an adult? | |
Ans. To perform CPR on an adult, first ensure the scene is safe, then check the person's responsiveness and call for emergency help. If the person is unresponsive and not breathing, begin chest compressions by placing the heel of one hand on the center of the chest, interlocking the other hand on top, and pressing down hard and fast at a rate of 100-120 compressions per minute. After 30 compressions, give 2 rescue breaths if trained to do so, and continue the cycle until emergency help arrives or the person shows signs of life.
| 3. What should I do if someone is choking? | |
Ans. If someone is choking and cannot breathe, cough, or speak, perform the Heimlich maneuver. Stand behind the person, wrap your arms around their waist, make a fist with one hand just above their navel, and grasp it with your other hand. Give quick, inward and upward thrusts until the object is expelled or the person can breathe again. If the person becomes unconscious, call for emergency help and begin CPR.
| 4. How do I treat a burn at home? | |
Ans. For minor burns, run cool (not cold) water over the burn for 10 to 15 minutes. Avoid ice, as it can cause further damage. After cooling the burn, gently clean it with mild soap and water, then cover it with a sterile, non-stick bandage. Over-the-counter pain relievers can help manage discomfort. If the burn is severe or covers a large area, seek medical attention immediately.
| 5. When should I seek professional medical help for an injury? | |
Ans. You should seek professional medical help for any injury that is severe (such as deep cuts, fractures, or severe burns), if there is excessive bleeding that does not stop, if the person shows signs of shock (pale skin, rapid heartbeat, confusion), if they have difficulty breathing, or if the injury involves the head, neck, or spine. Always err on the side of caution when in doubt about the severity of an injury.
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