Nature of Science

Using the graph above, what sport seems to be the favorite?

• Baseball

• Basketball

• Gymnastics

• Soccer

• Tennis

Using the graph, what do you think the hypothesis was that the experimenter was trying to test?

Answer explanation

In 5th grade, the most popular favorite sport among students is soccer.

What are constants in a scientific experiment?

Answer explanation

1. Constants in a scientific experiment are the factors or conditions that are kept the same throughout the experiment for all groups. They ensure that the experiment is fair by preventing other variables from affecting the outcome, so any changes in the results can be attributed only to the variable being tested.

Tags

NGSS.MS-PS1-2

Which of the following is an example of qualitative data?

• The temperature of water is 25°C

• The plant is tall and has green leaves

• There are 10 students in the classroom

• The liquid volume is 50 milliliters

Which of the following is an example of quantitative data?

• The flower is bright yellow

• The student feels happy today

• The book weighs 2.5 kilograms

• The soup tastes salty

In an experiment, a student waters two plants with different amounts of water to see how it affects their growth. What is the independent variable and what is the dependent variable?

Answer explanation

• Independent variable: The amount of water given to the plants

• Dependent variable: The growth of the plants (how tall or healthy they become)

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What are the 6 steps of the scientific method?

Answer explanation

Purpose, Research, Hypothesis, Experiment, Data Analysis, Conclusion

Tags

NGSS.MS-LS1-1

A good hypothesis must be (a)   and an ​ (b)   guess.

​ ​ ​

• testable
• educated

What are the 5 rules for a proper graph?

Answer explanation

• Title: Provide a clear, descriptive title that explains what the graph is about.

• Labels: Label both the x-axis and y-axis with the variables and units of measurement.

• Scale: Use an appropriate and consistent scale on both axes to represent the data accurately.

• Data Points: Plot all data points clearly and accurately.

Legend (if needed): Include a legend to explain symbols, colors, or patterns when multiple data sets are shown.

Tags

NGSS.MS-PS3-1

What is the control group in an experiment?

Answer explanation

The control group in an experiment is the group that does not receive the treatment or experimental variable. It serves as a baseline to compare the results against, helping to show the effect of the variable being tested.