Science DBA Review

Front

What happens to the atoms in matter when temperature increases?

Back

The atoms in matter move faster and may change state (e.g., solid to liquid).

Front

What is a chemical formula?

Back

A representation using letters and numbers that shows the types and numbers of atoms in a substance.

Front

What does a graph of motion show?

Back

It visually represents the distance and direction of an object's movement over time.

Front

How do you determine the concentration of a solution?

Back

Concentration is determined by the amount of solute in a given volume of solvent.

Front

What is Newton's Third Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

What is the state of matter?

Back

The distinct forms that different phases of matter take on, such as solid, liquid, and gas.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not alter the chemical composition of a substance, while chemical changes do.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What is the role of a solute in a solution?

Back

A solute is the substance that is dissolved in a solvent to form a solution.

Front

What is the significance of a data table in experiments?

Back

A data table organizes and presents data clearly for analysis.