Reversible and irreversible changes

What is an irreversible change?

• A reversible change that can be undone easily.
• A temporary change that lasts for a short period of time.
• An irreversible change is a change that cannot be reversed to restore the original state.
• A change that occurs without any effect on the original state.

What is a reversible change?

• A reversible change cannot be undone under any circumstances.
• A reversible change is a permanent alteration of a substance.
• A reversible change is a change that can be reversed, restoring the original substance.
• A reversible change is a transformation that creates a new substance.

Baking a cake in an oven is an example of what type of change?

• reversible change

• irreversible change

Lighting a match is an example of what type of change?

• Reversible change

• irreversible change

Melting a zooper dooper and then placing it into a freezer is an example of what kind of change?

• reversible change

• irreversible change

A rusty tin roof is an example of what type of change?

• reversible change

• irreversible change

Dissolving salt in water then evaporating the water is an example of what type of change?

• reversible change

• irreversible change

Cracking an egg is an example of what type of change?

• reversible hange

• irreversible change

Filling an ice cube tray with water, then placing it in a freezer, then taking it out again to melt, is an example of what type of change?

• reversible change

• irreversible change

Your body aging is an example of what type of change?

• reversible change

• irreversible change