Solid Particles

……………….is anything that takes up space and has mass

• Weight

• Gravity

• Matter

• Solid

………..is the state of matter which has a definite size and shape.

• Solid

• Liquid

• Gas

• Plasma

5 grams of copper was heated till it completely melted. The mass of the melted copper is about...……….

• 3g

• 4g

• 5g

• 6g

The temperature at which a substance changes from a solid to a liquid form is called its ………… point.

• condensation

• boiling

• freezing

• melting

Which type of motion is found in the particles of a solid?

• Circulatory

• Random

• Linear

• Vibratory

Alicia filled a glass with water up to the brim. She then put two ice cubes in the glass, due to which the water overflowed and spilled onto the floor. Which one of the following statements correctly states Alicia's observation?

• Matter has mass

• Matter occupies space

• Matter is all around us

• Matter exists in three states

Sawdust is put over blocks of ice to prevent them form melting too quickly. The sawdust...……………..

• increases the melting point of ice

• decreases the melting point of ice

• prevents the surrounding heat from reaching the ice

• traps the cold air and prevents it from escaping

When does a piece of ice melt?

• When the ice gains heat

• When the ice absorbs water vapour

• When the temperature of the ice rises

• When the volume of the ice increases