1st Semester-Academic Year2020-2021- 6th Standard- Science - 60 Marks
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1. True or False-  When a substance changes from one state to another, the process is called change of state of the substance. *
6 points
2.  In the ..............century, the scientist J. Willard Gibbs showed that the characteristic properties of a substance depend on its physical state and the arrangement of particles in it. *
6 points
3. Guess the Corret one Answer - Does not have a shape of its own. Takes the shape of the container. *
6 points
4. A thermometer is used to measure ............. *
6 points
5. .........................is continuously evaporating. *
6 points
6.True Or False - Substances available in nature are called natural substances *
6 points
7. True or False - Silk is a natural thread or fibre obtained from the cocoons of silkworms. *
6 points
8. Guess the correct answer - Long continuous chains formed by small, inter linked chemical units. *
6 points
9. Guess the Correct Answer - These threads were invented at the same time in New York and London. *
6 points
10. Rubber is of two types, natural and artificial. *
6 points
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