Lab Reporting Quiz

Imagine you are preparing a lab report for a complex experiment involving the synthesis of a new compound. What is the main purpose of the title in your lab report?

• To entertain the reader with a catchy phrase

• To describe every material used in the experiment

• To provide a concise overview of the experiment's focus and objectives

• To present a detailed hypothesis that outlines expected outcomes

In a recent biology experiment, a group of students was tasked with investigating the effects of different fertilizers on plant growth. As they prepared their project, they needed to formulate a research question that would guide their investigation. Which of the following best defines a research question in this context?

• A prediction made before the experiment

• A general topic for discussion

• A clear and focused question about the experiment's aim

• A list of materials required

Imagine you are conducting a study on the impact of social media on mental health. What is the correct format of a research question that would guide your investigation effectively?

• Why does social media usage lead to anxiety?

• What are the results of social media on mental health?

• To what extent / How does social media influence mental health outcomes?

• Where can we apply the findings of this research?

During a chemistry experiment aimed at synthesizing a new compound, the researcher needs to prepare a detailed plan. Which section of the experiment report should the researcher focus on to ensure that all necessary tools and chemicals are accounted for before starting the experiment?

• Hypothesis

• Results

• Materials Required

• Observations

In a scientific experiment designed to test the effect of different amounts of sunlight on the growth of tomato plants, researchers manipulate the amount of sunlight each group of plants receives. Which variable is being changed in this experiment?

• Dependent Variable

• Independent Variable

• Control Variable

• Measurement Variable

In a scientific experiment designed to test the effect of different amounts of sunlight on plant growth, researchers measured the height of the plants over a period of four weeks. Which variable is being measured during this experiment?

• Independent Variable

• Fixed Variable

• Control Variable

• Dependent Variable

In a recent experiment to test the effect of different fertilizers on plant growth, a researcher decided to keep the amount of sunlight and water constant for all plants. What is the purpose of these control variables in the experiment?

• To keep results hidden

• To increase the number of tests

• To keep the experiment fair by staying constant

• To test different factors

In a controlled experiment to determine the effect of different fertilizers on plant growth, a researcher decides to measure the height of plants after applying various types of fertilizers. Which of the following is a correct combination of variables in this experiment?

• IV: Measured, DV: Changed

• IV: Changed, DV: Measured, CV: Kept constant

• IV: Constant, DV: Ignored, CV: Changed

• IV: Predicted, DV: Random

In a scientific experiment, researchers are trying to determine the effect of a new fertilizer on plant growth. They hypothesize that the fertilizer will enhance growth compared to no fertilizer. Which of the following is a correct hypothesis template that the researchers could use to frame their hypothesis?

• What will happen next?

• How does the system work?

• If …, then … because …

• Therefore … must be true

In a scientific experiment, a researcher is trying to determine the effect of sunlight on plant growth. What should the researcher include in their hypothesis to ensure it is scientifically valid?

• An opinion and a conclusion

• A prediction and a scientific reason

• A question and a diagram

• A statement and a graph