In an experiment testing different building materials for stronger bridges, which might be a good dependent variable?

How much weight the bridge can hold

What is a hypothesis?

A educated statement about what the outcome of an experiment will be

Define Independent Variable

A variable that doesn't change in an experiment

What is Quantitative Research?

Uses numers and stats in the collection and analysis of data

Which question can be answered by this bar graph?

How many more students like basketball than softball?

A double bar graph allows the creator to

compare groups within different categories

You want to find out if pigeons prefer bread crumbs or seeds. Choose a possible dependent variable for this experiment.

The amount of each type of food the pigeons eat

Why are graphs important in science?

They help to organize data and identify patterns/trends

What is a qualitative observation?

an observation that involves describing

testable prediction that gives direction to research

What is an experimental procedure?

Step by step instructions on how to do a scientific experiment

How do you know whether to make a bar graph or a line graph?

If the IV is quantitative, use a line graph

What is a source of error in your experiment?

Something in the experiment that can mess up your results.

studbud

Scientific Method and Graphs & Graphing (Grade 7 Science)

22 termsStudBud Administration80 plays

Imported from external platform

Flashcards22 cardsFPractice quizPHost liveL

Questions 22

Answers

1
In a hypothesis the DV comes after the IF and the DV comes after the THEN
False
True
2
A good hypothesis must always contain a _______________.
A solution
Prediction
An answer
Question
3
What is the independent variable?
temperature of water
number of tadpoles
amount of sunlight
water pH
4
In an experiment testing different building materials for stronger bridges, which might be a good dependent variable?
The type of building material used
How much weight the bridge can hold
How much water can flow below the bridge
How much the bridge costs to build
5
What is the scale of this bar graph?
Counting by 10's
Counting by 4's
Counting by 2's
Counting by 5's
6
What is a hypothesis?
A question or observation
A random guess about the outcome of an experiment
Prediction about the outcome of an experiment that is always correct
A educated statement about what the outcome of an experiment will be
7
Define Independent Variable
A graph that shows how variables are connected
A way to show how variables are connected
A variable that doesn't change in an experiment
A variable that changes in response to another variable
8
During an experiment dropping marbles from various heights into sandboxes, the INDEPENDENT variable is:
Size of the crater
Material inside the tray
The height of the marble drop
Size of marble
9
Where do you write about sources of error in a lab report?
In the procedure
In the conclusion
In the hypothesis
In the introduction
10
What is Quantitative Research?
Uses mainly words and lego
Uses mainly words & other non-numeric symbols in collection & analysis
Uses numers and stats in the collection and analysis of data
11
Which question can be answered by this bar graph?
What are the other types of sports that students liked?
Which sport did girls like to play?
Where were the sports played?
How many more students like basketball than softball?
12
A double bar graph allows the creator to
show a relationship
compare groups
confuse people
compare groups within different categories
13
You want to find out if pigeons prefer bread crumbs or seeds. Choose a possible dependent variable for this experiment.
The type of food given to the pigeons
The amount of bread crumbs you throw to the pigeons
The time of day in which the pigeons are fed
The amount of each type of food the pigeons eat
14
Why are graphs important in science?
They help to make your report look more professional
They help to make your report look more complicated
They help to organize data and identify patterns/trends
They make your report more biased
15
What is a qualitative observation?
an observation that involves describing
an observation that involves a number or measurement
16
A hypothesis is a
observeabl relation betwen indpendent and dpendent variables
statement of proceduures used to define research variables
testable prediction that gives direction to research
Set of principles that organizes observations
17
Which of the following is also known as a manipulated variable?
Dependent variable
Independent variable
Constant variable
Controlled variable
18
What is an experimental procedure?
Step by step instructions on how to do a scientific experiment
Step by step instructions on how to work well with your lab partner
Step by step instructions on how to stay safe in the lab
Step by step instructions on how to clean the lab
19
How do you know whether to make a bar graph or a line graph?
If the IV is quantitative, use a bar graph
If the DV is qualitative, use a bar graph
If the IV is quantitative, use a line graph
If the IV is qualitative, use a line graph
20
According to the graph below, which month had the fewest days of snow?
March
February
December
January
21
In a graph, the independent variable goes on the ______________.
z-axis
y-axis
none of the above
x-axis
22
What is a source of error in your experiment?
The variables that you choose to test in your experiment.
The independent variable.
Something you do very well.
Something in the experiment that can mess up your results.

Scientific Method and Graphs & Graphing (Grade 7 Science) Flashcards | StudBud