Approved eye protection devices (such as goggles) are worn in the laboratory

anytime heat, chemicals, or glassware is used in the lab

The graph below shows atmospheric CO2 levels. what conclusions can be drawn from this graph?

CO2 levels have risen at a higher rate as time progressed.

The variable manipulated by the experimenter in order to study changes in the outcome variable

test variable (Independent variable)

Scientific law and a scientific theory are the similar in that that both:

Represent large amounts of scientific evidence

When you finish working with chemicals, biological specimens, and other lab substances, always:

Wash your hands thoroughly with soap and water.

If a lab experiment is not completed, you should

discuss the issue with your techer

Which of the following conclusions is supported by the graph?

Infection in embanked increased during the sampling period

Which of the following should be inferred about cells with semi permeable membranes?

H2O enters cell when placed in environment of high water

Which is the best conclusion for this experiment?

High acidity is harmful to this type of plant

studbud

Unit 1 Review

19 termsStudBud Administration1,291 plays

Scientific Method, Safety, Graphing

Flashcards19 cardsFPractice quizPHost liveL

Questions 19

Answers

1
If a piece of equipment is not working properly, stop, turn it off, and tell
your science teacher
your best friend in the class
the custodian
your lab partner
2
A factor or condition in a scientific experiment that is purposefully kept the same
outcome variable (dependent variable)
test variable (independent variable)
control variable
quartile variable
3
Approved eye protection devices (such as goggles) are worn in the laboratory
to avoid eye strain
to improve your vision
only if you don't wear glasses
anytime heat, chemicals, or glassware is used in the lab
4
Information about the natural world gathered through the senses and/or scientific instruments
Law
Theory
Prediction
Observation
5
The number of square units needed to cover a surface.
Plot
Area
Set
Line
6
The graph below shows atmospheric CO2 levels. what conclusions can be drawn from this graph?
CO2 levels rise about the same rate for the past century.
CO2 levels have remained the same over the past century.
CO2 levels are responsible for global temperature change
CO2 levels have risen at a higher rate as time progressed.
7
The variable manipulated by the experimenter in order to study changes in the outcome variable
control variable
quartile variable
outcome variable (dependent variable)
test variable (Independent variable)
8
A scientific principle based on observations, & states it to be true under certain conditions
Observation
Variable
Theory
Law
9
Scientific law and a scientific theory are the similar in that that both:
Explain why events & conditions occur in the natural world
Are based on what we expect to happen
Describe the events that can be observed in nature
Represent large amounts of scientific evidence
10
When you finish working with chemicals, biological specimens, and other lab substances, always:
Treat your hands with skin lotion
Wash your hands thoroughly with soap and water.
Wipe your hands on a towel.
Wipe your hands on your clothes
11
If a lab experiment is not completed, you should
sneak in after school and do the experiment alone
make up the results
come in during lunch and finish while eating
discuss the issue with your techer
12
You have been injured in the laboratory (cut, burn, etc.). First you should:
visit school nurse after class
go see a doctor after school
tell your teacher at once
apply first aid yourself
13
If a laboratory fire erupts, immediately
open the windows
run for the fire extinguisher
notify your instructor
throw water on the fire
14
A graph that uses either vertical or horizontal bars to display countable data.
Histogram
Table
Circle/Pie Graph
Bar Graph
15
To locate a point by means of coordinates, or curve by plotted points.
Line
Set
Plot
Chart
16
Which of the following conclusions is supported by the graph?
Protozoa reproduce faster in embanked ponds than creek-fed
Infection in embanked increased during the sampling period
Infection in creek-fed ponds remained constant
Protozoa were more common in creek fed ponds than embanked
17
Which of the following should be inferred about cells with semi permeable membranes?
Substances other than water may block pores in cell membrane
H2O enters cell when placed in environment of high water
H20 leaves cell when placed in environments with low solutes
Substances other than water may also cross the cell membrane
18
Explanation for naturally occurring event developed from observations, experiments, &reasoning
Observation
Variable
Theory
Law
19
Which is the best conclusion for this experiment?
Low acidity is harmful to this type of plant.
High acidity is harmful to this type of plant
High acidity is helpful to this type of plant.
Acid has no effect on the health of this type of plant.

Unit 1 Review Flashcards | StudBud