2024 - 2025 (R) Review for Flashcard #5, Semester 1

Front

What is a dependent variable?

Back

The dependent variable is the variable that is measured in an experiment. It is affected by changes in the independent variable.

Front

What is an independent variable?

Back

The independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is a compound?

Back

A compound is a chemical combination of two or more elements that can be separated by chemical reactions.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed and can be easily distinguished.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are uniformly distributed and cannot be easily distinguished.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically bond together.

Front

What does a particle diagram represent?

Back

A particle diagram visually represents the arrangement and types of particles in a substance, helping to classify it as an element, compound, or mixture.

Front

What is the x-axis in a graph?

Back

The x-axis is the horizontal axis in a graph, typically representing the independent variable.

Front

What is oxygen production in the context of photosynthesis?

Back

Oxygen production is the amount of oxygen released by plants during photosynthesis, which can be measured to assess the rate of photosynthesis.

Front

What is an example of a heterogeneous mixture?

Back

Italian salad dressing is an example of a heterogeneous mixture, as its components can be seen and separated.