physical and chemical changes

Is burning wood a chemical or physical change?

• chemical
• physical

Is glass breaking a chemical or physical change?

• chemical
• physical

Is melting ice a chemical or physical change?

• chemical
• physical

Is frying an egg a physical or chemical change?

• chemical
• physical

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green

Which of the following options provides evidence of a CHEMICAL change?

• Wood is burned releasing ash and smoke

• Rocks separate when soil is sifted

• Boiling water bubbles when heated

• Salt dissolves in water

True or False: a physical change may produce a new substance.

• True
• False

What kind of change occurs if matter changes in amount, size, or shape?

• substance change

• chemical change

• physical change

• elemental change

What does the picture represent ?

• physical change

• chemical change

Observe the picture and choose the correct option.

• Irreversible physical change

• Reversible physical change