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

Front

What is an independent variable in an experiment?

Back

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

Front

What is a dependent variable in an experiment?

Back

The dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

What is a control in an experiment?

Back

A control is the standard to which comparisons are made in an experiment. It is the group that does not receive the experimental treatment.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat.

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases energy to its surroundings, usually in the form of heat.

Front

What is a mixture of compounds?

Back

A mixture of compounds is a combination of two or more different compounds that are not chemically bonded together.

Front

What is a particle diagram?

Back

A particle diagram is a visual representation of the arrangement and types of particles in a substance, used to illustrate elements, compounds, and mixtures.

Front

What is the purpose of measuring temperature in an experiment?

Back

Measuring temperature helps to determine the effects of different variables on the state or behavior of a substance.

Front

What is the significance of oxygen production in photosynthesis?

Back

Oxygen production is a key indicator of the rate of photosynthesis, as it is a byproduct of the process where plants convert light energy into chemical energy.

Front

What is the relationship between water volume and plant growth?

Back

The volume of water provided to a plant can affect its growth and photosynthesis rate, as water is essential for various physiological processes.