Current Electricity and Magnetism — Science STD 8 — Question

Give the names of five non-infectious diseases other than given in the lesson.

What are the symptoms of swine flu?

What is meant by molecular formula?

A star ends its life as a neutron star when the pressure of its electrons balances its gravity.

What is specific gravity?

How is heat generated in the Sun?

Activity Take a moist piece of bread or bhakri and keep it in a container with lid for 2-3 days. After 2-3 days a fine cotton thread like tuft is found growing on the surface of the bread. Prepare a temporary mount of few threads from this culture and observe it under the microscope.

Complex compound.

Which is the most common and effective solution for extinguishing fire ?

Give two examples of gas in liquid.