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Love 7th Scientific Method Review Flashcards | StudBud
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Love 7th Scientific Method Review
Love 7th Scientific Method Review
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Review of Scientific Method
Flashcards
17 cards
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Questions
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Answers
1
If you wanted to measure the distance from here to Phoenix, what unit would you use?
millimeters
kilometers
meters
centimeters
2
What is an hypothesis?
an observation scientists make during an experiment
a statement that can be tested experimentally
the last step of the scientific method
a question that can be tested experimentally
3
In an experiment, the factor that we measure is called the _________________.
independent variable
controlled variable
experimental variable
dependent variable
4
What kinds of data does a line graph typically use?
data over time
data that is in percents
data from surveys
category data
5
In an experiment, the one variable that is changed is called the ____________.
experimental variable
dependent variable
controlled variable
independent variable
6
Which question would be the best high level scientific question?
Does the amount of salt in water affect its boiling point?
How many giraffes live in Africa?
Who made the first microscope?
How long ago did dinosaurs live on the Earth?
7
What is the amount of space an object takes up called?
volume
density
length
mass
8
What skill is a scientist using when he or she listens to the sounds that birds makes?
making inferences
forming hypotheses
drawing conclusions
making observations
9
If you were measuring the mass of a fly, which unit should you use?
kilograms
grams
liters
meters
10
If you wanted to know volume of water in a bottle of soda, what unit would you use?
kiloliters
liters
milliliters
grams
11
How do you calculate density?
length multiplied by width
volume divided by mass
mass divided by volume
speed multiplied by mass
12
All the things in an experiment that must be the same to make it fair are called _____________.
dependent variables
independent variables
experimental variables
controlled variables
13
Which of the following statements about the data in the picture is correct?
the most tadpoles occurred at the highest pH of 8.0
the amount of tadpoles did not change from pH
the most tadpoles occurred at the lowest pH of 5.5
the most tadpoles occurred at a middle pH of 6 to 7
14
What trend does the line graph show?
both a positive and negative change
no change
positive change
negative change
15
Which of the following is important when creating a graph in science?
lables
all three things
title
neatness
16
Which of the following statements is the best written hypothesis?
Frozen tennis balls will not bounce as high.
If a tennis ball is frozen, it won't bounce as high.
If I freeze a tennis ball, then it will not bounce as high.
If I heat up a tennis ball, it will bounce high.
17
What is the amount of matter in an object called?
density
length
mass
volume