Is there any difference?

Take a battery and measure the potential difference. Make a circuit and measure the potential difference when the battery is connected in the dircuit. Is there any difference in potential difference of battery ?

Are there any differences between rearing of cows, buffaloes, goats and sheep?

Refer to the Activity 3 in the chapter. Start with distilled water. The LED would not glow. Add two drops of some acid to distilled water and check the glow of LED. Add two more drops and check the intensity of the glow. Repeat the activity 5 to 6 times by adding 2 drops of the same acid each time. Do you see any difference in the intensity of glow with increasing acid content of water? What can be inferred from the above observations? Repeat the entire activity by taking a solution of baking soda and adding drops of it to distilled water instead of acid. Write differences and similarities. (AS_(3),AS_(1))

Find the arithmetic mean of 10 observations 14, 36, 25, 28, 35, 32, 56,42, 50, 62 by assuming mean’as 40. Also find mean by regular formula. Do you find any difference?

Explain in your own words about the state of thermal equilibrium of bodies and write any two differences between Heat and Specific Heat.

Do we find any difference between hairs of all animals ?

Do you find any difference in the taste of a raw and a ripe fruit ?

Do you find any difference in the shape of epidermal cells ?