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