Material changes

A change that can be reversed is called a/an ____________ change.

• reversible

• irreversible

A change that cannot be changed back to what it was before is called a/an ____________ change.

• reversible

• irreversible

A new substance is formed in a/an _____________ change.

• reversible

• irreversible

No new substance is formed in a/an ____________ change.

• reversible

• irreversible

Melting of an ice-cube is ____________.

• reversible

• irreversible

A cake mixture is ___________

• reversible

• irreversible

Folding a paper is ________

• reversible

• irreversible

Burning wood is ____________

• reversible

• irreversible