1st Semester Exam Review

Front

What gas do plants take in during photosynthesis?

Back

Carbon dioxide (CO2)

Front

What gas do plants release during photosynthesis?

Back

Oxygen (O2)

Front

What are the primary factors that determine the state of matter of a substance?

Back

Temperature and pressure

Front

What is the measure of how well a substance can dissolve in another substance?

Back

Solubility

Front

What happens to the solubility of most solids in water as the temperature increases?

Back

It increases.

Front

What is the atomic theory?

Back

A scientific theory that describes the nature of matter, stating that all matter is composed of atoms.

Front

What is the significance of new evidence in the atomic theory?

Back

It leads to changes and advancements in the understanding of atomic structure.

Front

What is the relationship between pressure and the solubility of gases in liquids?

Back

Increasing pressure increases the solubility of gases.

Front

What is the definition of density?

Back

Density is the mass of a substance divided by its volume.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.