Physical Science Study Guide 2024

Front

What type of change occurs when water changes states of matter due to heat being added or removed?

Back

Physical change.

Front

What method can be used to separate a salt water solution?

Back

Boiling the water.

Front

What is created when an acid and a base are mixed?

Back

A chemical change.

Front

What occurs when baking soda and vinegar are mixed?

Back

They chemically combine and form a new gas.

Front

What causes ice to melt?

Back

The temperature of the ice increases, allowing the particles to move more rapidly.

Front

Define physical change in the context of matter.

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties.

Front

What is the significance of boiling in separating mixtures?

Back

Boiling can separate components of a mixture based on differences in boiling points.

Front

Explain the role of temperature in state changes of matter.

Back

Temperature affects the energy of particles, leading to changes in state such as melting, freezing, boiling, and condensing.

Front

What is the result of a chemical reaction between baking soda and vinegar?

Back

The reaction produces carbon dioxide gas, water, and sodium acetate.