Collect one or two earthworms and put them in a bottle containing wet soil.close it with a lid which has holes.Observe how earthworms get their food.Record your observation.

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.

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 an aquatic plant like hydrilla or vallisneria. Also collect any terrestrial plant. Now compare the two and write your.observations On the basis of your observations write how the aquatic is suited to live in water?

Collect some seeds sow them in a particular place in your school garden. Observe how many days each type of seed takes to germinate. Tabulate your observation.

Collect the salt samples like sodium chloride, aluminium chloride, copper sulphate, sodium acetate, ammonium chloride, sodium hydrogen carbonate and sodium carbonate. Dissolve them in distilled water. Check the action of these solutions with litmus papers. Find the pH using pH paper. Classify them into acidic, basic or neutral salts. Identify the acid and base used to form the above salts. Record your observations in table

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.

Every child in your school brings a water bottle containing 2L of water. If all the water is poured into a container which has 2 kilo litre capacity of water. It was found that it needed 600 litres more to be filled. How many children poured water bottles in the container?

Choose the correct answer: Choose the correct order of the given activity . (1) Put some soil and earthworm in the jar 2) Close the jar with a lid with small holes (3) Take a glass jar with black paper (4) Shed some light on the jar ( 5) Earthworm moves to the dark portion of the jar.

Write about any two animals in your list, describing the food types. eaten by them and how they get them.

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.