Rama has collected earthworm, glass bottle, soil, lid with holes and a black paper for doing an experiment. What may be the aim of the experiment?

What is the aim of this experiment? What changes do you observe in thermimeter reading?

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.

Take a glass jar and fill with soil. Show a bean seed near the wall of the jar. After 4 - 5 days you will notice seed germination. Keep the jar under the sun. Observe how root and shoot grows. Then tilt the glass jar and keep the plant horizontally. Observe the direction of the root and shoot growth for more than a week vi) What did they observe by that experiment?

Mercury has an angle of contact equal to 140^@ with soda lime glass. A narrow tube of radius 1.00mm made of this glass is dipped in a trough containing mercury.By what amount does the mercury at the temperature of the experiment is 0.465 Nm^-1 . Density of mercury = 13.6 times 10^3 kg m^-3

What will happen if a decorative colour paper is dipped in water? Predict the possible changes. Verify your prediction by doing experiments and write down the steps of the process?

What is the role of potassium hydroxide solution kept inside the glass bottle in the Mohl's half leaf experiment ?

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.

Do oil paper experiments at three different locations and answer the following questions What do you found on those papers dipped in oil?