Safety
What should you always wear?
Safety goggles or appropriate personal protective equipment (PPE).
What is a hypothesis?
A possible explanation or prediction that can be tested through experimentation.
What is an independent variable?
The variable that is changed or manipulated in an experiment.
What is qualitative data?
Data that describes qualities or characteristics and cannot be measured numerically.
What type of graph shows parts of a whole? (group)
Pie chart.
What do you do if there's a spill?
Inform the teacher, contain the spill if safe, and follow the emergency procedures.
What is a controlled experiment?
An experiment where all variables are kept constant except for the one being tested.
What is a dependent variable?
The variable that is measured or affected in an experiment.
What is quantitative data?
Data that can be measured and expressed numerically.
How do you create a line graph?
Plot data points on a grid and connect them with lines to show trends over time.
What is the purpose of safety goggles?
To protect your eyes from harmful substances and debris.
What comes after making observations?
Formulating a hypothesis.
What are controlled variables?
Variables that are kept constant to ensure a fair test.
What does it mean to interpret data?
To make sense of the collected data and understand its significance.
What is a scatter plot used for?
To show the relationship between two quantitative variables.
Name one item in the safety kit.
Fire blanket or first aid kit.
What is the purpose of a conclusion?
To summarize the results and determine if the hypothesis was supported or not.
What happens if you change too many variables?
It becomes difficult to determine which variable caused any observed changes in the outcome.
What is the difference between data and observations?
Observations are what you notice or record, while data is the information collected from those observations.
What does a positive trend in data look like?
As one variable increases, the other variable also increases, resulting in an upward slope.
Why is it important to follow safety rules?
To prevent accidents and injuries in the lab.
Explain what analyzing data means.
Interpreting the data collected during an experiment to draw conclusions.
Why is it important to keep one variable constant?
To ensure that the experiment is fair and that results are valid.
Why might scientists change their hypotheses?
Based on new evidence or data that contradicts the original hypothesis.
Why is it important to label axes on a graph?
To clearly indicate what variables are being represented and the units of measurement.