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SCIENTIFIC METHOD Flashcards | StudBud
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SCIENTIFIC METHOD
SCIENTIFIC METHOD
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#scientificmethod #variables
Flashcards
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Answers
1
Which of the following steps to solve a problem must be completed first?
forming a hypothesis
testing a hypothesis
recognizing and identifying the problem
analyzing data
2
Name this scientific tool
red balloon
pipet bulb
pipet
sucky uppy thing
3
Which of the following scientific tools would give you the most
PRECISE
measurement of 25ml H
2
0
25ml Erlenmeyer flask
500ml beaker
50 ml beaker
50ml graduated cylinder
4
What is the first step in the Scientific Method?
State the question
Draw a conclusion
Form a hypothesis
Collect Information
5
Name this piece of scientific equipment
thermometer
glass rod
pipet
pipet bulb
6
The amount of salt in a body of water affects the number of plants that can live in the water.
independent variable= amount of salt
independent variable= number of living plants
independent variable= body of water
independent variable= environment
7
What is this?
Erlenmeyer Flask
Flask
Florence Flask
Glass bottle
8
The amount of pollution produced by cars was measured for cars using different amounts of lead.
Independent Variable= speed of car
Independent Variable= amounts of Lead
Independent Variable= type of gasoline
Independent Variable= pollution produced
9
True or False: A beaker is used to measure volumes of water
True
False
10
What size is this Erlenmeyer Flask?
5 cups
550 ml
1000 ml
500 ml
11
A series of logical steps that is followed in order to solve a problem is called the
scientific theory
experimental process
scientific method
model method
12
What size is this beaker?
400 ml
500ml
300 ml
1 cup
13
What size is the graduated cylinder?
110 ml
100 ml
50 ml
90 ml
14
In science, an educated guess is called a/an
question
hypothesis
conclusion
observation
15
Which Step of SM? Lying in bed you notice you get cold every time your brother opens the door.
Make an Observation
Make a hypothesis
Test Hypothesis
Draw a conclusion
16
Scientists test hypothesis by...
doing experiments
formulating questions
designing models
drawing conclusions
17
In an experiment, Plant A = no fertilizer, Plant B =5mg, and Plant C=10mg. Which Control Group?
Plant A
All of them
Plant B
Plant C
18
The temp an alligator's egg is incubated will determine if the alligator will be male/female.
The Independent Variable= male/female alligator
The Independent Variable= alligator egg
The independent variable = temp of incubation
Independent variable= alligator
19
What skill is a scientist using when she listens to the sounds that whales makes.
interpreting data
drawing conclusions
making a hypothesis
making an observation
20
When a scientist shares her findings with other scientists, she is
making a hypothesis
communicating results
analyzing data
experimenting
21
The variable that doesnt change during an experiment, it remains the same, its not being tested
outside factor
dependent variable
controlled variable
independent variable
22
What is this?
Graduated cylinder
a cup
Flask
Beaker
23
In an experiment, the factor that we measure is called the
independent variable
experimental variable
dependent variable
controlled variable
24
A factor in an experiment that can change is a(n)____.
variable
observation
hypothesis
control
25
Which of the following tools would give the most precise measurement of 1 ml of water
100 ml graduated cylinder
10 ml beaker
5ml pipet
5ml beaker
26
What is a hypothesis?
An experiment
An untestable statement
best “educated guess” to the answer of a question
Whatever the teacher tells you is the truth
27
You measure the volume of liquid in science equipment by reading the __________ of the meniscus
middle
bottom
top
side
28
What characteristic must be true of a good hypothesis?
It must be testable by observation or experiment.
It must have been observed many times
It must be correct
it must involve quantitative data.
29
In an experiment, the one variable that is changed is called the
dependent variable
experimental variable
independent variable
controlled variable
30
The temp an alligator's egg is incubated will determine if the alligator will be male/female.
dependent variable = temperature
dependent variable= environment
dependent variable = incubation time
dependent variable = male/female alligator
31
An investigation found that more bushels of potatoes grew when the soil was fertilized more
dependent variable= bushels of potatoes
dependent variable= type of soil
dependent variable= amount fertilizer
dependent variable= amount of sunlight
32
Which of the following is a hypothesis?
Squid sometimes squirt ink
What is a reason for squid to squirt ink?
Scientific evidence shows that squid squirt ink in defense
If a squid is attacked by a predator, it will squirt ink
33
In the science lab, What do you do when you spill something on the floor ?
inform all of your classmates
clean it up
tell the teacher
look at it
34
The line of liquid you read on a graduated cylinder is called a ____________________
water level reading
liquid mark
meniscus
minuser
35
The_________variable is affected by the independent variable. It is being observed and measured
controlled
independent
dependent
lonely
36
The final part; a summary of reasonable inferences is a/an
hypothesis
state the question
conclusion
analyze data
37
Distance from an eye chart affects the number of letters recognized on a line.
independent variable= number of letters recognized
independent variable= the eye chart
independent variable= distance from eye chart
independent variable= the person reading eye chart
38
When you decide whether or not the data supports the original hypothesis, you are
making observations
forming a hypothesis
drawing conclusions
asking questions
39
All the things in an experiment that must be the same to make it fair are called
independent variables
hypotheses
controlled variables/ constants
dependent variable
40
Name this scientific tool
meniscus
measuring tube
flask
graduated cylinder
41
The amount of salt in a body of water affects the number of plants that can live in the water.
dependent variable= environment
dependent variable= amount of salt
dependent variable= number of living plants
dependent variable= body of water
