Showing posts from September, 2018

Ncert solution class 7 science ch 8 Winds, Storms and Cyclones

ncert solution class 7 science ch 8.
Get here detail solution of ncert book solution of class 7 science ch 8. question 1 to 5.Q 1.Fill the missing word...
(d)high and low

Q 2.Suggests two method to find out wind direction at a given place.
Answer:There are two ways to know the direction of the wind.
(i) When flying a kite, the air puts pressure on the kite, due to which the kite flies. The direction in which the kite flies is the direction of flying air.
(ii) When riding a bicycle, the direction in which it is difficult to ride is contrary to the direction of air blowing.
Therefore, while riding a kite or riding a bicycle, the direction of wind can be determined in a given place.

Q 3.Statetwo experiences that made you think that air exerts pressure.
Answer:We have experienced that when we fly a balloon, the balloon becomes tight. If we try to fill more air, the balloon will explode to some degree. This is because air pressure puts.
When we fly at a high speed, we …

Ncert solution of class 7 ch 7 .weather climate and adaptation of animals to climate

Ncert solution class  7 ch 7.Weather, Climate and Adaptations of Animals to ClimateGet here details solution of ncert book of class 7 ch all answer.
questions 1 to 5.Q 1.Namethe elements that determine the weather of a place.
Answer:Elements that determine the location of a place are the temperature, humidity, precipitation and wind speed.
Q 2.Whenare the maximum and minimum temperature likely to occur during the day? Answer:The maximum temperature of the day occurs in the afternoon, while the minimum temperature is in the morning.
Q 3.fill in the blanks:- Only Answer: (i)climate (ii)hot and dry (iii)the polar region and the tropical region.
Q 4.indicateThe type of climate.... Answer: (a)Moderately hot and wet (b)hot and wet

NCERT solution class 7 science ch 6 -physical and chemical change.

Get the NCERT solution for Class VI Science Chapter 6. These NCERT solutions for science topic 7 include detailed answers to all questions in Chapter 6 - Physical and Chemical Changes. .
questions 1 to 5.Q 1.Classify the changes involved in the following processe as physical or chemical changes:-
Answer:(a)photosynthesis→chemical change (b)dissolving sugar in water→physical change (c)Burning of coal→Chemical change (d)melting of wax→physical change (e)beating aluminium to make aluminium foil→physical change (f)Digestion of food→chemical change.
Q 2.state whether true or false.. Only anshwer:(a) F (b) F (c) T (d) F (e) T
Q 3.fill in the blanks... Answer: (a)calcium carbonate (CaCO3) . (b)sodium hydrogen carbonate. (c)galvanization and painting. (d)physical

NCERT solution class 7 science ch 5 acids bases and salts.

ncert sulution class 7 ch 5.Here solution of science book of class 7 ch 5 .detailed solutions of ncert book of class 7.
questions 1 to 5.Q 1.State the differences between acids and bases.
Answer: Acid:- (i) these are sour to taste. (ii) acid turn blue litmus red. (iii) acid do not change colour red litmus paper. Bases:-(I) these are bitter to taste. (ii) bases turn red litmus blue. (iii) bases do not change colour blue litmus paper.
Q 2.ammonia isfound in many household product,such as window cleaner. It turn red litmus blue. What is its nature? Answer:Ammonia is fundamental in nature because it turns the colors of red litmus paper into blue.
Q 3.Name the sources from which litmus solution is obtained.what is the use of this solution? Answer:Litmus solution is obtained from Lifes. To get the solution from the solution, the natural dye extracted in distilled water is dissolved in distilled water. It is used as an indicator to differentiate between acids and bases.        Solution.                 C…