Matter Solid Liquid and Gas

Why do solids have fixed a shape?

• The particles are tightly packed in a rigid pattern.

• The particles are not so tightly packed and can move.

• The particles are far away from each other and can move freely.

Ravi filled a container with water up to the rim (edge) and kept stones in it .Which of the following was observed by him?

• Stones settled down and the water overflowed

• Stones float on the water

• None of these

Which of the following statement is incorrect?

• Solids have definite shape

• Solids can flow from one place to another

• Solids have definite volume

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Equal amount of water is filled in all the containers and kept under the Sun. In which of the following container the rate of evaporation is faster.

• 
• 
• 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which of the following container the molecules of the matter are tightly packed.

• A

• B

• C

Tags

NGSS.MS-PS1-4

Which of the following statement/s is/are true for solid/s?

• The molecules are tightly packed in a rigid pattern

• It has definite shape

• It can flow

• It takes the shape of the container

Mark the true statements.

• Matter contracts on heating

• Aluminium expands on heating

• Liquid takes the shape of the container

• Kerosene is soluble in water

• Movement of the molecules become slow on cooling the substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The substance which has mass and occupies space is called ______

Tags

NGSS.MS-PS1-5

The process of transformation of solid into liquid is known as _______

Tags

NGSS.MS-PS1-4

In a salt solution,_____is a solvent

• Salt

• Water

• None of these