stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
12.1.1 Biology Test 1 Review Flashcards | StudBud
Explore
/
12.1.1 Biology Test 1 Review
12.1.1 Biology Test 1 Review
24 terms
·
StudBud Administration
·
162 plays
Scientific method and tools.
Flashcards
24 cards
F
Practice quiz
P
Host live
L
Questions
24
Answers
1
Use the table below to answer the question.
control data for normal rate is missing
not enough trials were conducted
variablility in pulse rates is too great
exercise was not strenuous
2
In the metric system, the units for volume could be. . .
milligram, gram, kilogram
ounce, quart, gallon
meter, liter, gram
milliliter, cm3, liter
3
Based on the results from the data below, which environment do earthworms prefer at 15 minutes?
bright light
no preference
darkness
low light
4
Which term describes the set of steps used to test a hypothesis?
theory
experiment
analysis
conclusion
5
Why is it best to limit an experiment to test only one factor at a time?
to know what caused the change
to save on expensive supplies
to make it easier to record data
to speed up the experiment
6
The eyepiece of a microscope is 10x and the objective lens is 40x. What is the magnification?
1000x
40x
400x
400x
7
Use the table below to answer the question.
Golf ball and ping pong ball had same avg. bounce height.
The golf ball had the greatest average bounce height.
The ping pong ball had the greatest average bounce height.
The three balls bounced the same average height.
8
What does a controlled experiment allow a scientist to test?
a conclusion
a single variable
a mass of information
several variables
9
Where should laboratory instruments be read to avoid errors?
above eye level
from the side
below eye level
at eye level
10
Which type of graph would you used to represent the relationship between variables over time?
circle
line
pictograph
bar
11
What piece of laboratory equipment would you use to accurately measure volume?
beaker
Erlenmeyer flask
graduated cylinder
round bottom flask
12
What would be an effective way to represent data collected by counting?
table
statement
flow chart
picture
13
Which tool would be used in an experiment to give the most detailed quantitative observations?
beaker
test tube
flask
graduated cylinder
14
What must be true of a hypothesis to be accepted in science?
must be testable
must be correct
must be observable
must be measurable
15
Which item would be used to look at an organism too small to be seen with the naked eye?
stereoscope
compound microscope
telescope
dissecting microscope
16
Which variable is usually plotted on the horizontal (x-axis)?
variable with greatest change
dependent variable
variable with the smallest range
independent variable
17
Which statement is true about a scientific theory?
It is a controlled experiment.
It is an unchangeable statement.
It is an absolutely certain statement.
It can be revised and changed as new evidence is presented.
18
Which piece of lab equipment is used to measure mass?
metric ruler
meter stick
balance
spring scale
19
How would you express 12,300,000 kg in scientific notation?
12.3 million kg
1.23 x 107 kg
123 x 105 kg
123 x 10000 kg
20
A well designed experiment has which of the following characteristics?
One independent variable.
One independent and multiple dependent variables.
One independent and one dependent variable.
One dependent variable.
21
What should a student NOT do if the results of the experiment do not support the hypothesis?
change the data to fit the expected outcome
repeat the experiment immediately
change the variables in the experiment
adjust procedures and repeat the experiment
22
In an experiment to determine the effect of temp on reactions, what is the dependent variable?
type of reaction
heat given off
temperature
rate of reaction
23
Which term describes a testable statement used to guide a scientific investigation?
conclusion
experiment
theory
hypothesis
24
What instrument would be used to obtain the most precise measurement of the volume of liquid?
a graduated cylinder marked in 1mL increments
a 25mL test tube
a beaker in 10 mL increments
a pipette marked in 0.1mL increments
