Matter & Its Changes

A change of matter that does not produce a new substance is called a ... change.

Which of the following is a chemical change?

A property that can be observed without changing a substance into another substance is a ... property.

The particles of a solid are arranged ...

A substance whose shape and volume change to fit its container is ...

An everyday example of a physical change is ...

Characteristics of a chemical change include ...

Cassava fermented into tape (fermented cassava) undergoes a ... change.

Mothballs placed in a wardrobe slowly disappear. This is a ... change.

Which group of properties belongs to physical properties?

Consider these events! (1) Ice melts. (2) Wood burns. (3) Water evaporates. (4) Iron rusts. The events that are physical changes are ...

A property that depends on the amount and size of a substance is called an ... property.

Rice left out for several days becomes stale. This is a ... change.

Water condensing on the surface of a cold glass is a ... change.

Consider these changes! (1) Paper burns to ash. (2) Ice cream melts. (3) Iron rusts. (4) Sugar dissolves in water. The chemical changes are numbers ...

Baking soda mixed with vinegar produces gas bubbles. This shows a ... change.

Which chemical change produces a precipitate?

Why can a physical change generally be reversed, while a chemical change cannot?

Which group of properties belongs to the chemical properties of a substance?

An iron nail left in a damp place rusts. The correct conclusion about this event is ...