Science

The molecules are held firmly by the force of attraction between them. The molecules are very close to each other and The molecules are compressed and have definite shapes and volume

• Matter

• Solid

• Liquid

• Gas

2.   It is made of tiny particles called “molecules”

• Atom

• Matter

• Molecules

• Gas

Molecules are made of still tinier particles called _______.

• Gas

• Matter

• Atom

• Molecules

The molecules are farther apart from each other. It has a definite volume but no definite shape.

______ may dissolve some solids, _______ like water, flow easily and ______ some viscous they flow slowly.

• Solid

• Liquid

• Gas

The molecules are farther apart compared to those liquids. The molecules bounce off and move in every direction. The force of attraction between the molecules is to weak to hold them. No definite volume and no definite shape.

• Solid

• Liquid

• Gas

• Matter

________ is a change that takes place only in the appearance of the material while its compositions remain the same

• Physical change     

• Chemical Change

_________ is a change when a substance breaks down and loses its properties and a new substance is formed

• Physical Change

• Chemical Change

Property of solid that can resist scratching or abrasion.

• Brittleness

• Hardness

• Malleability

• Strength

Ability of a material to be pressed, hammered, or rolled into various shapes and sizes without breaking

• Malleability

• Hardness

• Elasticity

• Strength

The tendency of a material to be easily broken into pieces.

• Brittleness

• Hardness

• Malleability

• Elasticity