Take a boiling tube. Put two spoons of soil in it. Heat it on a spirit lamp and cover it. Do this experiment and write your findings.

Take a boiling tube. Put two spoons of soil in it. Heat it on a spirit lamp and cover it. Do you find any moisture in the soil?

How do you observe the diffusion of coffee powder in water ? Write your findings.

Latha take some quantity of powder of a substance in a test tube. Heated it with spirit lamp. A gas was liberated. She sends the gas into another test tube. The colour of solution in the second test tube turned into milk white. Which substance was heated? Which gas is liberated? What was the solution taken in second test tube? Which type of chemical reactions involved the experiment?

Observing heat conduction by metals: Take an iron rod. Stick pins on it with the help of wax. Now fix the rod to a stand. Heat one end rod with a spirit lamp and see how the pinds fall off. Why did the pins fall from iron rod?

Observing heat conduction by metals: Take an iron rod. Stick pins on it with the help of wax. Now fix the rod to a stand. Heat one end rod with a spirit lamp and see how the pinds fall off. Pin of which end fell first?

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?

Collect a leaf. Take peels from both sides of the leaf and observe stomata size, shape and number under microscope with the help of your class teacher and write your findings.

Abhishek wanted to know what are thermoplastics and thermosetting plastics, materials in his home. He was testing small pieces of plastic materials by heating on spirit lamp. Which precaution will he take during the experiment ?

Does the associate property hold for whole numbers? Take two examples and write your answer.

Do you agree with Von Helmont? If nutrients absorbed by plants from soil is equal to the mass of plant/tree what will happen? Think and write your hypothesis.