Science CBA1-Forrest

Is burning wood a chemical or physical change?

• chemical
• physical

Photosynthesis is an example of a

• physical change
• chemical change

Freezing juice is an example of a(n) ________

• physical change
• chemical change
• chemical reaction
• heredity

Exploding fireworks is an example of a(n) __________ .

• physical change 
• chemical change 
• static electricity
• heredity

Melting a chocolate bar is an example of a(n)  ______________ .

• physical change
• chemical change 
• photosynthesis
• heredity

Rotting bananas is an example of a(n) ___________ .

• physical change
• chemical change
• heredity
• cloning

Cutting your hair is an example of a(n) __________ .

• physical change
• chemical change
• photosynthesis
• selective breeding

The diagram below shows changes happening to water in a specially shaped bottle.
What changes did the water undergo?

• melting and then freezing
• freezing and then evaporation
• condensation and then melting
• evaporation and then condensation

A group of students investigated physical and chemical changes using paper.  The students recorded their observations in a table.
Which student correctly recorded all the changes that took place?

• Student 1
• Student 2
• Student 3
• Student 4

tire is inflated 

• chemical change 
• physical change