Quiz LibraryGrade 7 Science Quarter 1 Scientific Method Quiz
Created from Youtube video: https://www.youtube.com/watch?v=EKI2ZWyrTyovideo
Concepts covered:hypothesis, independent variable, dependent variable, control group, scientific method
The video provides a quiz on the scientific method for Grade 7 students, covering key concepts such as hypotheses, independent and dependent variables, the purpose of control groups, and the importance of repeating experiments. It emphasizes understanding the steps of the scientific method, including making observations, forming hypotheses, conducting experiments, analyzing data, and communicating results.
Table of Contents1.Fundamental Concepts in Scientific Experimentation2.Fundamentals of Experimental Design and Scientific Method3.Key Steps in Scientific Research and Data Analysis
chapter
1
Fundamental Concepts in Scientific Experimentation
Concepts covered:hypothesis, scientific method, observation, independent variable, dependent variable
This chapter explains key concepts in scientific experimentation, including the definition of a hypothesis as an educated guess, the importance of making observations as the first step in the scientific method, and the roles of independent and dependent variables in experiments. Examples are provided to illustrate how these variables are manipulated and measured to understand their effects.
Question 1
Making an observation is the first step in the scientific method.
Question 2
What is the first step in the scientific method?
Question 3
The first step in the scientific method is to _____.
Question 4
CASE STUDY: You are conducting an experiment to test the effect of a new drug on reducing blood pressure. You measure the blood pressure of participants before and after administering the drug.
All of the following are independent variables except:
Question 5
CASE STUDY: An experiment aims to determine the impact of various exercise routines on muscle strength. Participants follow different routines while their muscle strength is measured.
Select three correct independent variables:
chapter
2
Fundamentals of Experimental Design and Scientific Method
Concepts covered:control group, independent variable, experimental design, scientific method, hypothesis testing
This chapter explains key concepts in experimental design, including the purpose of a control group, the role of the independent variable, and the importance of testing only one independent variable at a time. It also covers the significance of publishing scientific findings and the main purpose of conducting experiments to test hypotheses.
Question 6
The independent variable is changed by the experimenter.
Question 7
What part of the scientific method involves publishing findings?
Question 8
The purpose of a control group in an experiment is to provide a _____.
Question 9
CASE STUDY: A scientist is investigating the impact of different water pH levels on fish health. They use three tanks with different pH levels and one tank with neutral pH.
All of the following are correct applications of a control group except:
Question 10
CASE STUDY: In an experiment to test the effect of temperature on bacterial growth, the scientist changes the temperature in one group and keeps it constant in another.
Select two correct statements about the independent variable:
chapter
3
Key Steps in Scientific Research and Data Analysis
Concepts covered:hypothesis formation, scientific method, data analysis, experiment repetition, qualitative data
The chapter discusses the essential steps a scientist should take before forming a hypothesis, emphasizing the importance of careful observation and thorough research. It also covers key aspects of the scientific method, including the purpose of repeating experiments, the role of data analysis, and the characteristics of qualitative data.
Question 11
Repeating experiments ensures consistent and reliable results.
Question 12
What should a scientist do before forming a hypothesis?
Question 13
The primary purpose of repeating an experiment is to _____ the results.
Question 14
CASE STUDY: A scientist is studying the effects of a new fertilizer on plant growth. Before forming a hypothesis, the scientist needs to gather relevant data and review existing literature.
All of the following are correct steps except...
Question 15
CASE STUDY: A team of scientists has conducted an experiment multiple times to test the reliability of their results. They are now analyzing the data using graphs and tables.
Select two correct purposes of repeating experiments.

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