Question 2 :
State True or False.During the processing of coal to get coke, coal tar and coal gas are also obtained
Question 3 :
State True or False. The disadvantage of natural gas is that it can not be used directly for burning in homes.
Question 4 :
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
Question 6 :
During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is
Question 7 :
Two thermocol balls held close to each other move away from each other. When they are released, name the force which might be responsible for this phenomenon
Question 9 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d06af59b460d7261f2e7.PNG' />
In the above, image, A water tank has four taps fixed at points A, B, C, D is shown. The water will flow out at the same pressure from taps
Question 10 :
In our country, large patches of forests are being cleared for cultivation of crops. The environmental impact of such a practice will lead to ________.
Question 11 :
A place for Large areas of protected land for conservation of wild, plant and animal resources and traditional life of the tribals living in the area is known as ?
Question 13 :
What will happen if the top layer of the soil is exposed?
Question 15 :
After striking the mirror, the ray of light is reflected in another direction The ray that comes back from the surface after reflection is known as the ___________ ?
Question 17 :
Fill in the blanks: A person 1 m in front of a plane mirror seems to be _____ away from his image?
Question 22 :
The excessive quantities of chemicals released in water acts as nutrients for the growth of which organism?
Question 23 :
Which of the following is not a way to conserve water?
Question 24 :
State True or False.
We can survive for some time without air but we cannot survive even for a few minutes without food.
Question 25 :
A girl should not be allowed to work in the kitchen during menstruation. Is this a myth?
Question 26 :
Choose the correct word for the given clue. Clue - Pancreatic hormone
Question 27 :
Choose the correct word for the given clue. Clue - Another term for teenage
Question 29 :
The belief that the mother is completely responsible for the sex of the child is wrong because the child_____________
Question 30 :
Lightning Conductor is a device used to protect buildings from the effect of lightning. Is it TRUE OR FALSE?
Question 31 :
_________ and _________ charges meet, producing streaks of bright light and sound.
Question 32 :
The earthquake measuring ______ or more on Richter scale can cause severe damage to life and property.
Question 34 :
What precautions should be taken if you are Inside the house during a thunderstorm?
Question 35 :
The scale on which the destructive energy of an earthquake is measured is:
Question 36 :
An earthquake measures 3 on Richter scale. Is it likely to cause much damage?
Question 37 :
When a glass rod is rubbed with a piece of silk cloth, the rod :
Question 38 :
State TRUE or FALSE : Lightning conductor cannot protect a building from lightning.
Question 39 :
An earthquake measures 3 on Richter scale. Would it be recorded by a seismograph?
Question 40 :
After full moon day, every night the size of the bright part of the moon appears to become ______ and _________
Question 41 :
Venus appears in the eastern sky before sunrise. Sometimes it appears in the western sky just after sunset. Therefore it is often called a _____
Question 42 :
The ___ is the nearest star from us. It continuously _____ huge amounts of heat and light.
Question 45 :
A celestial body that revolves around a planet is known as_
Question 47 :
A group of stars forming some kind of recognisable figures or patterns are known as
