Nature of Matter

The particles of gases are free to move.

• True

• False

Tags

NGSS.MS-PS1-4

______ is the property of mixing of particles on their own.

Sugar, salt and honney are ______ in water.

• soluble

• insoluble

______ is something which has mass & occupies space.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

NGSS.MS-PS3-4

Match the following

• atom

• a combination of two or more substances physically blended together

• matter

• anything that has mass and takes up space

• mixture

• a small particle that is a building block of matter

• element

• a substance that consists of just one type of atom

One particle of table salt (NaCl) is best described as a (a)   .

• atom

• compound

• element

• mixture

Answer explanation

Table salt (NaCl) is a compound because it is made up of two different elements, sodium (Na) and chlorine (Cl), chemically bonded together.

Tags

NGSS.MS-PS1-1

In this state of matter, particles are tightly packed and cannot move.

• gas

• solid

• liquid

In which of the following diffusion is faster?

• solid in liquid

• liquid in liquid

• gas in gas

• none of the above

Gases dissolve in water.

• True

• False

When temperature increases solubility of a solid substance in a liquid___________

• decreases

• remains unchanged

• increases

Tags

NGSS.MS-PS1-4