Semester 1 Review - Part 1

Front

What is a hypothesis?

Back

A hypothesis is a testable statement or prediction about the relationship between two or more variables.

Front

What is an independent variable?

Back

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

Front

What is a dependent variable?

Back

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

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the purpose of a control group in an experiment?

Back

A control group is used as a standard for comparison to determine the effect of the independent variable.

Front

What is the role of sunlight in plant growth?

Back

Sunlight is essential for photosynthesis, the process by which plants convert light energy into chemical energy.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights to compare quantities.

Front

What does it mean to record data?

Back

Recording data means to write down observations and measurements during an experiment for analysis.

Front

What is germination?

Back

Germination is the process by which a seed develops into a new plant.