What type of change occurs when ice melts into water?

Physical change

Which of the following is a characteristic of a chemical change? A) Temporary B) No new substance C) Permanent D) Shape change

C) Permanent

Riddle: I can be reversed by freezing, but when I melt, I become a liquid. What am I?

Ice

True or False: Rusting of iron is a physical change.

False. Rusting of iron is a chemical change because it creates a new substance (rust).

The change of seasons is an example of a ______ change.

Periodic change

Which of the following is NOT a physical change? A) Boiling water B) Burning wood C) Melting ice D) Freezing water

B) Burning wood

Riddle: I transform from solid to gas without becoming liquid, often used to keep clothes fresh. What am I?

Camphor

True or False: Digestion of food is a reversible change.

False. Digestion of food is an irreversible change.

What type of change is represented by the cooking of food?

Chemical change

Fill in the blank: Changes that happen because of human actions are called ______ changes.

Man-made

Which of the following is a reversible change? A) Baking a cake B) Cutting paper C) Baking bread D) Melting ice

D) Melting ice

Riddle: I happen every day, signaling the start and end of light. What change am I?

Day changing into night

True or False: The fermentation of dough is a physical change.

False. Fermentation is a chemical change.

What happens to sugar when it dissolves in water? It creates a ______.

Solution

Which type of change involves the formation of a new substance? A) Physical B) Irreversible C) Chemical D) Reversible

C) Chemical

Fill in the blank: Changes that occur on their own, without human help, are known as ______ changes.

Natural

Riddle: I can break easily, but I am still the same material after. What change am I describing?

Breaking glass (physical change)

True or False: The freezing of water is a chemical change.

False. Freezing of water is a physical change.

What type of change is rusting of iron categorized as?

Chemical change

Which of the following is an example of an irreversible change? A) Melting of ice B) Baking a cake C) Dissolving sugar in water D) Folding a paper

B) Baking a cake