grade 6 , con 4, lesson 1

The molecule is composed of very small particles called

• atoms

• compounds

• cells

• mixtures

All of these substances are solids, except

• pen

• table

• soup

• snow

Both ........ and.............. are examples of liquid matter.

• water-milk

• oil - paper

• water-copper

Particles of all the following substances have a lot of energy, except....

• Water vapor

• carbon dioxide

• oxygen

• glass

Thermal energy affects............. and...............of a matter.

• temperature - state

• temperature - color

• color-taste

• color-smell

The..... energy is related to the motion of particles of a matter.

• chemical

• potential

• light

• thermal

On boiling water inside a kettle,

• water particles will move faster.

• water particles will move slower.

• thermal energy of water will decrease.

• thermal energy of water will not change.

Matter can be changed from one state to another

• True

• False

Glass can be melted at very low temperatures

• True

• False

Substance in gas form have the least thermal energy

• True

• False