Write a procedure to make a modal of oesophagus to observe how bolus moves forward.

How does the food from oesophagus move into the stomach ?

Write the procedure for observation of algae under microscope.

Write the required materials and procedure for observing the lactobacillus bacteria in curd ?

Write the materials required and procedure to make your own cell.

Write the experimental procedure and list out the materials required to show that the moving object can do work.

Write the procedure involved in the acid and leaf experiment to understand the concept "how the stomach gets protected from its own acid secretions ". Compare the observations with the changes that takes place in human digestive system.

Observe the following decimals 1/2 = 0.5, 1/10 = 0.1, 32/5. = 6.4, 1/3= 0.333... 4/15 =0.2bar66 can you tell the special charecter of denominator which makes the fraction as terminating or non-terminating recurring decimals ? Write prime factors of denominator of each rational no. What did you observe from the results ?

Observe a cow or a buffalo while eating is food.Write your observations in your notebook You may have observed cows and buffalos sitting under the trees and moving their jaws. Do you know why they do that?

We observe the news about cyclones in televisions and newspapers. Write any two questions that arise in your mind about how cyclones are formed.