Semester 1 Review - Part 1

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. For example, in a plant growth experiment, the growth of the plant is the dependent variable.

Front

What precaution should be taken when transferring hazardous materials?

Back

Always clearly label the new container with its contents to avoid confusion and ensure safety.

Front

What is a suitable method for visually representing data?

Back

A bar graph or a table is suitable for visually representing data, such as monthly sales data.

Front

How can you test a hypothesis about plant growth?

Back

To test a hypothesis about plant growth, you can change one variable (like the amount of sunlight) and observe the effect on another variable (like the number of flowers produced).

Front

What is the best method for tracking the phases of the moon?

Back

The most effective method is to observe the moon every night and record its shape.

Front

What is an independent variable in an experiment?

Back

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

Front

Why is it important to label containers in a laboratory?

Back

Labeling containers is crucial for safety and organization, preventing accidental misuse or exposure to hazardous materials.

Front

What is a bar graph used for?

Back

A bar graph is used to visually compare different categories of data, making it easier to see trends and differences.

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 a hypothesis?

Back

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