Class Procedures

What is the first step in the scientific method?

• Formulating a hypothesis

• Conducting an experiment

• Making an observation

• Analyzing data

Which of the following is a controlled variable in an experiment?

• The independent variable

• The dependent variable

• The variable that is kept constant

• The variable that is changed

In a classroom experiment, students measure the temperature of water every minute. What type of data are they collecting?

• Qualitative data

• Quantitative data

• Subjective data

• Descriptive data

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

• To provide a standard for comparison

• To test the hypothesis

• To introduce a new variable

• To ensure the experiment is valid

Tags

NGSS.MS-PS2-5

Which of the following best describes a hypothesis?

• A proven fact

• An educated guess

• A random assumption

• A scientific law

What is the role of a conclusion in a scientific experiment?

• To summarize the experiment

• To interpret the data

• To prove the hypothesis

• To record the observations

Which of the following is an example of a qualitative observation?

• The liquid is blue

• The temperature is 25°C

• The mass is 50 grams

• The length is 10 cm

In a science class, students are asked to predict the outcome of mixing vinegar and baking soda. What scientific skill are they practicing?

• Observation

• Prediction

• Experimentation

• Data analysis

Tags

NGSS.5-PS1-4

What is the importance of repeating experiments in science?

• To increase the sample size

• To verify results

• To change the hypothesis

• To make the experiment more complex

Tags

NGSS.MS-LS1-5

Which of the following is a real-world application of the scientific method?

• Developing a new medicine

• Writing a novel

• Painting a picture

• Composing music

Tags

NGSS.MS-LS1-5