Collect sweet potato, bottle, salt, and water. Take.a bottle full of water and add salt, then put.sweet potato inside the bottle. Observe for a few days. What happens? Note your observations. How can you prove that sweet potato is also a living thing?

Collect different used water bottles or water pouches from nearby shops. Observe their labels. What quantity of water is mentioned on the label ? Record your. observations.

Take two test tubes with some water. Add salt powder to one test tube and add crystals of salt to the second one. Observe, From your observation you may conclude that solubility depends upon

Carry out the following osmosis experiment: Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now, Keep cup A empty. Put one teaspoon sugar in cup B. Put one teaspoon salt in cup C. Put one teaspoon sugar in the boiled potato cup D. Keep these for two hours. Then observe the four potato cups and answer the following: Explain why water gathers in the hollowed portion of B and C.

Carry out the following osmosis experiment: Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now, Keep cup A empty. Put one teaspoon sugar in cup B. Put one teaspoon salt in cup C. Put one teaspoon sugar in the boiled potato cup D. Keep these for two hours. Then observe the four potato cups and answer the following: Explain why water does not gather in the hollowed out portions of A and D.

Carry out the following osmosis experiment: Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now, Keep cup A empty. Put one teaspoon sugar in cup B. Put one teaspoon salt in cup C. Put one teaspoon sugar in the boiled potato cup D. Keep these for two hours. Then observe the four potato cups and answer the following: Why is potato A necessary for this experiment?

How can you say a bottle is PET Bottlle? Collect different kinds of water bottles of your classmates and look at them carefully. What number is marked in the center of the triangle?

Take some water in a wide mouthed bowl. Put an iron nail in it. What do you observe ? Put an empty iron tin in that bowl. What do you observe ?Also try to observe whether a wooden piece floats on water. What happens when a wooden bowl is dipped in water ? what is your conclusion from the above activity?

Take one or two drops of butter milk on a slide, spread it. Heat the slide slightly on a lamp (3-4 seconds). Add a few drops of crystal violet on it. Leave it for 30 to 60 seconds and wash the slide gently with water. Observe the slide under the compound Microscope. Draw rough sketches in your note book of what you have observed.