HUNT-Science MAP Review 1

Front

What is a physical change?

Back

A physical change is a change in which no new substances are formed. Examples include breaking a cracker or freezing juice.

Front

What happens to water when it evaporates?

Back

When water evaporates, it changes from a liquid to a gas due to heat.

Front

What is a neutral charge?

Back

A neutral charge occurs when an object has an equal number of positive and negative charges, resulting in no overall charge.

Front

What happens when two charged balloons are brought near each other?

Back

The balloons will repel each other if they have the same charge.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not create new substances (e.g., melting ice), while a chemical change results in new substances being formed (e.g., rusting iron).

Front

What is evaporation?

Back

Evaporation is the process by which liquid water turns into water vapor (gas) when heat is applied.

Front

What is condensation?

Back

Condensation is the process by which water vapor cools and changes back into liquid water.

Front

What is an example of a chemical change?

Back

An example of a chemical change is burning wood, which produces ash and smoke.

Front

What is the role of heat in changing the state of matter?

Back

Heat can cause matter to change states, such as melting ice into water or evaporating water into steam.

Front

What is the definition of charge in physics?

Back

Charge is a property of matter that causes it to experience a force when placed in an electromagnetic field.