Sumatif Harian Science G6

Reversible change is . . . .

• Changes in the form of objects that can be changed back into their original form

• Changes in the form of objects that cannot changed back into their original form

• Permanent change in the state of an object

• There is no change whatsoever to the object

Burning of paper is a . . . change

• There is no change in the shape of the object

• Reversible

• Irreversible

• Permanent change

Cooking a marshmallow on a fire is an example of . . . .

• Cooling

• Freezing

• Heating

• Hardening

The image that shows the irreversible process are . . . .

• 
• 
• 
• 

The image that shows the reversible process are . . . .

• 
• 
• 
• 

The rotting of wood is a irreversible change.

• True

• False

Decomposition is a irreversible change.

• True

• False

Baking a cake is an example of . . . .

Factors that cause rotting of wood are . . . .

Wood rot fungi attack wood cells which cause the wood to become . . . and . . .