Vocabulary
"pseudo" means:
fake
What is the use of goggles in the lab?
To keep your eyes safe
What is 1 branch of science?
Options: chemistry, biology, physics, zoology, botany, astronomy, etc.
The part of the scientific method where we share our results
communication
This type of graph shows parts of a whole.
Pie graph/chart
An educated guess. Often in an "if...then...because" format.
hypothesis
How should chemicals be handled in the lab?
Carefully/treat every chemical as dangerous
Why would skepticism be valuable in science?
It causes us to ask questions, do experiments, then make changes
Write a hypothesis statement for the question: "Does the amount of studying affect test scores?"
Option: If more studying is done, then test scores will improve, because studying give extra practice before taking a test.
An independent variable goes on the __________________ of a graph.
x-axis
What is the term for the variable that is changed in an experiment?
Independent variable
Should broken glassware be used in an experiment? Why or why not?
NEVER. Could result in leaks, or further damage which can be dangerous.
What are the 3 main branches of science?
physical science, earth science, life science
List all the steps of the scientific method in order.
problem/question, research, hypothesis, experiment, analysis, conclusion, communication
DRY MIX stands for:
Why would you use this acronym?
dependent/responding y-axis
manipulated/independent x-axis
To help remember which variable goes on which axis
What do we call the variable that is measured or observed?
dependent variable
What should be done if glass breaks or spills?
Tell the teacher immediately. Then it will be cleaned up with a broom/dustpan.
What are the tenets of science?
Natural, observable, testable/measureable, consistent, tentative
A group of 8th-grade students wanted to test the effect of different types of fertilizers on the growth of tomato plants. They set up an experiment where they planted four groups of tomato plants. Each group of plants received a different treatment:
The students measured the height of the plants in each group after four weeks.
What the independent variable?
The type of fertilizer used
A line graph is best used when:
showing changes over a period of time
Give 2 examples of qualitative data and 2 examples of quantitative data
qualitative: the cat had fluffy fur, the cat had orange fur
quantitative: the cat weighed 20lbs, the cat ran 3mph
What should the lab room look like before starting an experiment?
List 4 types of pseudoscience
Options: flat earth, horoscopes, aliens, santa,
problem/question: Will students get more hours of sleep if they read more before bedtime?
Design an experiment to explore this problem/question. Include hypothesis, IV, DV, control group, and explanation of your procedure.
H: I predict that the more hours of sleep a student gets, the more hours they will sleep.
IV: amount of reading time
DV: hours of sleep
Control group: students who do no reading before bedtime
Procedure: have group A read for 1 hour, group B read for 3 hours, and group C read for no hours. Record hours of sleep for each group.
Draw a graph that indicates as time increases, temperature increases
Ask Mrs. Perillat