Temperature and Objects
Temperature and Objects: Overview
This Topic covers sub-topics such as Temperature, Breathing, Water Vapour, Hot Air, Cold Air, Blowing Air From Mouth, Temperature inside the Body, Blowing Air on Hot Objects, Effect of Blowing on Hands during Winter and, A Story of a Wood Cutter
Important Questions on Temperature and Objects
How to we blow hot air during winters and cold air during summer as we breathe?
When you blow air through a tight mouth, the air will be significantly colder. Why?
Air we blow out is cold if the air outside is warmer than our breath.
Why do hot air balloons rise in the sky?
A thermometer measures the temperature in degree
Temperature is the measure of how hot or cold an object is.
Discuss why humans are able to breathe through their noses and mouths. Why are there two openings in the body that we can breathe through?
How do you feel when you stop breathing? Do and write.
Take your palm near your friend's nose. Tell your friend to inhale and exhale. Be careful that your friend breathes normally.
How do you feel when your friend inhales and exhales?
Choose the correct word from the given box.
| air | fast | slow |
While inhaling the _____ goes inside the body
Find out the sentence from the chapter and complete it.
When we breathe the air it fills in the _____.
Find out the sentences from the chapter and complete it.
If you inhale and exhale once _____. (panting/ one breathing)
In what circumstances does breathing go fast?
With which organ do you breathe?
What is the unit of measuring temperature?
Name the instruments used to measure length, temperature and weight.
Complete the sentence by using the appropriate word given in the box.
(Food, tiger, moulds, animals, sugarcane, nose, air holes)
Animals breathe through _____ and _____.
How many times do you breathe in a minute?
Keep your hand on your chest. Slowly breathe in air. Then slowly breathe out air. What do you feel?
People use hot air to make balloons go up in the air. Write more about hot-air balloons.
