Question

2. Hot and cold are
3. Steam engine converts____
energy
to______
energy.
4. Mercury and glycerine are two commonly used
liquids in thermometers. True or false?
5. All solid metals expand equally on heating.
True or false?
6. When heat passes from a hot to a cold body, there is a change in mass do you agree​

Answer 1

Answer❣

Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.

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