Vocabulary
Lab Safety
Tenets of Science
Scientific Method
Graphs
100

"pseudo" means: 

fake

100

What is the use of goggles in the lab?

To keep your eyes safe

100

What is 1 branch of science?

Options: chemistry, biology, physics, zoology, botany, astronomy, etc. 

100

The part of the scientific method where we share our results

communication

100

This type of graph shows parts of a whole. 

Pie graph/chart

200

An educated guess. Often in an "if...then...because" format.

hypothesis

200

How should chemicals be handled in the lab?

Carefully/treat every chemical as dangerous

200

Why would skepticism be valuable in science? 

It causes us to ask questions, do experiments, then make changes

200

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. 

200

An independent variable goes on the __________________ of a graph.

x-axis

300

What is the term for the variable that is changed in an experiment?

Independent variable

300

Should broken glassware be used in an experiment? Why or why not? 

NEVER. Could result in leaks, or further damage which can be dangerous. 

300

What are the 3 main branches of science? 

physical science, earth science, life science

300

List all the steps of the scientific method in order. 

problem/question, research, hypothesis, experiment, analysis, conclusion, communication

300

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

400

What do we call the variable that is measured or observed?

dependent variable

400

What should be done if glass breaks or spills?

Tell the teacher immediately. Then it will be cleaned up with a broom/dustpan.

400

What are the tenets of science?

Natural, observable, testable/measureable, consistent, tentative

400



Scenario:

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:

  • Group 1: No fertilizer (just water).
  • Group 2: Organic fertilizer.
  • Group 3: Chemical fertilizer.
  • Group 4: Mixed organic and chemical fertilizer.

The students measured the height of the plants in each group after four weeks.

What the independent variable? 

The type of fertilizer used

400

A line graph is best used when: 

showing changes over a period of time

500

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

500

What should the lab room look like before starting an experiment?

clean with no clutter, teacher should be present, proper materials should be present
500

List 4 types of pseudoscience

Options: flat earth, horoscopes, aliens, santa, 

500

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. 

500

Draw a graph that indicates as time increases, temperature increases

Ask Mrs. Perillat