CBSE Class 7


CBSE Class 7 Science
About the CBSE Class 7 category [CBSE Class 7] (1)
Why does a balloon taken near a candle burst? [CBSE Class 7 Science] (2)
The picture in figure shows tree line along the sea coast on an island near the equator [CBSE Class 7 Science] (1)
Explain briefly how the uneven heating between the equator and the poles generate wind currents [CBSE Class 7 Science] (1)
Describe an activity to demonstrate that warm air is lighter than cool air [CBSE Class 7 Science] (1)
List two reasons that can cause floods [CBSE Class 7 Science] (1)
List the dangers associated with a cyclone [CBSE Class 7 Science] (1)
Write three precautions that need to be taken during a thunderstorm [CBSE Class 7 Science] (1)
Write three precautions that need to be taken in cyclone prone areas [CBSE Class 7 Science] (1)
Which one of the following place is unlikely to be affected by a cyclone? [CBSE Class 7 Science] (1)
What planning is required in advance to deal with the situation created by a cyclone? [CBSE Class 7 Science] (1)
How will you help your neighbours in case cyclone approaches your village/town? [CBSE Class 7 Science] (1)
Explain why holes are made in hanging banners and hoardings [CBSE Class 7 Science] (1)
You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer [CBSE Class 7 Science] (1)
State two experiences that made you think that air exerts pressure other than those given in the text) [CBSE Class 7 Science] (1)
Suggest two methods to find out wind direction at a given place [CBSE Class 7 Science] (1)
Suggest some precautions to be taken to prevent the roof of a tin sheet from flying away during a fierce wind storm [CBSE Class 7 Science] (1)
When strong/high speed wind blows, an umbrella held upright at times gets upturned [CBSE Class 7 Science] (1)
Paheli kept an empty bottle made of plastic inside a refrigerator [CBSE Class 7 Science] (1)
Explain how soil pollution and soil erosion could be prevented [CBSE Class 7 Science] (1)
List the differences between clayey soil and sandy soil [CBSE Class 7 Science] (1)
Explain how soil is formed [CBSE Class 7 Science] (1)
In towns and cities, generally, the bore wells have to be dug very deep to get water as compared to bore wells dug in villages [CBSE Class 7 Science] (1)
Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently [CBSE Class 7 Science] (1)
Why is soil erosion relatively less in dense forests as compared to barren, open fields? [CBSE Class 7 Science] (1)
Continuously water-logged soils are disadvantageous for plant growth. Why? [CBSE Class 7 Science] (1)
How can you calculate the absorption of water by soil? [CBSE Class 7 Science] (1)
What are the constituents of soil? [CBSE Class 7 Science] (1)
List two harmful effects of soil erosion [CBSE Class 7 Science] (1)
What is soil profile? Name the layers found in soil profile [CBSE Class 7 Science] (1)