1st Semester Review (PS)

Front

What is a Double Replacement reaction?

Back

A chemical reaction where ions in two compounds switch places, forming two new compounds.

Front

What is density?

Back

Density is the amount of mass in a given volume of an object.

Front

What are the steps in the scientific method?

Back

The steps typically include: question, research, hypothesis, experiment, observation, and conclusion.

Front

What does a graph showing population trends indicate?

Back

It can predict future population changes based on current trends.

Front

Which elements are classified as nonmetals?

Back

Nonmetals are elements that are typically poor conductors of heat and electricity and are often found on the right side of the periodic table.

Front

What is a Synthesis reaction?

Back

A chemical reaction where two or more simple substances combine to form a more complex product.

Front

What is a Combustion reaction?

Back

A chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat.

Front

What is a Single Replacement reaction?

Back

A chemical reaction where one element replaces another in a compound.

Front

What is the significance of the scientific method?

Back

It provides a systematic approach to inquiry and experimentation, ensuring that scientific investigations are conducted in a reliable manner.

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.