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SCIENTIFIC METHOD Review Flashcards | StudBud
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SCIENTIFIC METHOD Review
SCIENTIFIC METHOD Review
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#scientificmethod #variables #middleschool
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1
The variable that doesnt change during an experiment, it remains the same, its not being tested
independent variable
dependent variable
controlled variable (constant)
control
2
Name this piece of scientific equipment
glass rod
thermometer
pipett
pipett bulb
3
The line of liquid you read on a graduated cylinder is called a ____________________
water level reading
liquid mark
meniscus
minuser
4
What is a hypothesis?
Whatever the teacher tells you is the truth
best “educated guess” to the answer of a question
An experiment
An untestable statement
5
True or False: A beaker is used to measure volumes of water
True
NOPE... NOTHING! I just pour! Who measures anyway?
False
I don't know what you are talking about
6
The final part; a summary of reasonable inferences is a/an
hypothesis
analyze data
state the question
conclusion
7
What is this?
Graduated cylinder
Beaker
a cup
Flask
8
Which of the following is a hypothesis?
If a squid is attacked by a predator,then it will squirt ink
Squid sometimes squirt ink
If a squid is attacked by a predator,then he will squirt ink
What is a reason for squid to squirt ink?
9
You measure the volume of liquid in science equipment by reading the __________ of the meniscus
top
middle
bottom
side
10
In an experiment, the one variable that is changed is called the
independent variable
experimental variable
dependent variable
controlled variable
11
What is it called when you trick your brain into thinking something that may not be happening?
The Parameter Effect
The Brain Effect
The Placebo Effect
The Mrs. Serio Effect
12
In the science lab, What do you do when you spill something on the floor ?
look at it and point!
clean it up
inform all of your classmates
tell the teacher
13
An investigation found that more bushels of potatoes grew when the soil was fertilized more
dependent variable= type of soil
dependent variable= amount fertilizer
dependent variable= amount of sunlight
dependent variable= bushels of potatoes
14
In an experiment, the factor that we measure is called the
dependent variable
controlled variable
independent variable
experimental variable
15
What size is the graduated cylinder?
200mL
300 mL
50 mL
110 mL
16
What is the IV? Distance from an eye chart affects the number of letters recognized on a line.
independent variable= number of letters recognized
independent variable= distance from eye chart
independent variable= the eye chart
independent variable= the person reading eye chart
17
When you decide whether or not the data supports the original hypothesis, you are
asking questions
making observations
drawing conclusions
forming a hypothesis
18
All the things in an experiment that must be the same to make it fair are called
hypotheses
dependent variable
independent variables
controlled variables/ constants
19
What skill is a scientist using when she listens to the sounds that whales makes.
making a hypothesis
making an observation
interpreting data
drawing conclusions
20
A series of logical steps that is followed in order to solve a problem is called the
scientific theory
model method
scientific method
experimental process
21
The_________variable is affected by the independent variable. It is being observed and measured
dependent
independent
lonely
controlled
22
In an experiment, Plant A = no fertilizer, Plant B =5mg, and Plant C=10mg. Which Control Group?
All of them
Plant B
Plant C
Plant A
23
What size is this beaker?
300 mL
500mL
400 mL
1 cup
24
What is this?
Florence Flask
Erlenmeyer Flask
Flask
Glass bottle
25
Scientists test a hypothesis by...
formulating questions
drawing conclusions
doing experiments
designing models
26
The amount of salt in a body of water affects the number of plants that can live in the water.
independent variable= environment
independent variable= number of living plants
independent variable= amount of salt
independent variable= body of water
27
In science, an educated guess is called a/an
conclusion
hypothesis
observation
question
28
When a scientist shares her findings with other scientists, she is
experimenting
making a hypothesis
analyzing data
communicating results
29
What size is this Erlenmeyer Flask?
1000 mL
10,000 mL
550 mL
800mL
30
Name this scientific tool
flask
meniscus
measuring tube
graduated cylinder
31
Which of the following scientific tools would give you the most
PRECISE
measurement of 25mL H
2
0
50 mL beaker
50mL graduated cylinder
500mL beaker
25mL Erlenmeyer flask
32
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= body of water
dependent variable= number of living plants
33
The amount of pollution produced by cars was measured for cars using different amounts of lead.
Independent Variable= amounts of Lead
Independent Variable= type of gasoline
Independent Variable= speed of car
Independent Variable= pollution produced
34
A factor in an experiment that can change is a(n)____.
hypothesis
control
variable
observation
35
What is the first step in the Scientific Method?
State the question
Form a hypothesis
Draw a conclusion
Collect Information
36
The temp an alligator's egg is incubated will determine if the alligator will be male/female.
The independent variable = temp of incubation
The Independent Variable= male/female alligator
The Independent Variable= alligator egg
The Independent variable= alligator
37
The temp an alligator's egg is incubated will determine if the alligator will be male/female.
dependent variable = incubation time
dependent variable= environment
dependent variable = male/female alligator
dependent variable = temperature
38
Which of the following steps to solve a problem must be completed first?
analyzing data
recognizing and identifying the problem
forming a hypothesis
testing a hypothesis
39
What characteristic must be true of a good hypothesis?
It must be correct
It must be testable by observation or experiment.
it must involve quantitative data.
It must have been observed many times
40
Which of the following tools would give the most precise measurement of 1 mL of water?
10 mL graduated cylinder
5mL beaker
100 mL graduated cylinder
10 mL beaker
41
Which Step of SM? Lying in bed you notice you get cold every time your brother opens the door.
Make an Observation
Test Hypothesis
Draw a conclusion
Make a hypothesis
