Science Form 1 (Matter)

WHAT IS A MATTER?

• Substance that has shape and weight

• Substance that has mass and occupies space

• Substance that has color and shape

• Substance that has mass and did not occupies space

Activity shown in the picture is to prove

• Balloon can be blown and burst

• Red balloon is heavier than grey balloon

• Air has mass and occupies space

• Air can escape when balloon burst

Which one is chemical properties?

• density

• boiling

• decomposition

• freezing

Ice melting is an example of a

• physical change

• chemical change

• physical property

• chemical property

What is the substance that exists in all three states naturally?

• Air

• Water

• Fire

• Sound

Particles vibrate in fixed position.

• Solid

• Liquid

• Gas

Particles move randomly and collide with one another.

• Solid

• Liquid

• Gas

What is diffusion?

• Process in which the particles of substances diffuse from high concentration area to a low concentration area

• Process in which the particles of substances diffuse from low concentration area to a high concentration area

During condensation,

• heat is absorbed

• heat is released

• heat is trapped

• heat is gone

The clothes hung on the clothesline is undergoing ______.

• Boiling

• Melting

• Evaporation

• Condensation