Scientific Investigation

What is the first step in a scientific investigation?

• Make Observations

• Ask a Question

• Test Your Hypothesis

• Form a Hypothesis

What do you use to gather information during scientific investigation?

• Conclusions

• Your senses

• Calculations

• Predictions

Tags

NGSS.MS-LS1-8

What is a hypothesis in a scientific investigation?

• A question that initiates the investigation

• The result of an experiment

• An educated guess based on observations

• A conclusion based on data

What is the independent variable in an experiment?

• The outcome of the experiment

• What you change

• What you keep the same

• What you measure

Why are controlled variables important in an experiment?

• They ensure the experiment is fair by keeping conditions the same

• They are what you are testing in the experiment

• They show the effect of the independent variable

• They are the results of the experiment

What type of graph is best for comparing different categories?

• Scatter Plots

• Pie Charts

• Bar Graphs

• Line Graphs

Tags

NGSS.MS-PS3-1

What type of graph should you use to show changes over time?

• Bar Graphs

• Pie Charts

• Scatter Plots

• Line Graphs

Tags

NGSS.MS-PS3-1

What is the purpose of using graphs in data analysis?

• To make the data look more complex

• To visualize data and identify trends

• To replace numerical data with images

• To confuse the reader

What does a scatter plot help you see?

• How much of something there is

• The relationship between two variables

• How data is divided into categories

• Changes in data over time

Tags

NGSS.MS-PS3-1

Why is scientific investigation important?

• It is only used by scientists

• It replaces old technologies

• It helps us make informed decisions

• It makes experiments unnecessary