Quiz about Nature of Science

Question 1

Justin blows his nose, but mucus seems to leak through the tissue.  He decides to test which tissue holds up the best while sneezing.  What is the independent variable?

Accepted Answer

type of tissue

Answer

sneezing

Answer

Justin

Answer

amount of tissue

Question 2

Mr. McNeice wanted to know if different types of music affected people's heart rates, so he played different music and checked their pulses.  What is the dependent variable?

Accepted Answer

heart rate

Answer

type of music

Answer

how long they listend to music

Answer

Mr. McNeice

Question 3

This is the outcome of the experiment. We get data and results from this.

Accepted Answer

Dependent Variable

Answer

Independent Variable

Answer

Control

Answer

Constant

Question 4

How many independent variables should be tested at a time in a scientific investigation?

Accepted Answer

one

Answer

none

Answer

two

Answer

three

Question 5

Which is the dependent variable in Amelia's experiment?

Accepted Answer

the height of each bean plant

Answer

the number of bean plants in each group

Answer

the amount of water given daily to each plant

Answer

the amount of fertilizer given to each group of bean plants

Question 6

The variable that is changed on purpose is:

Accepted Answer

Independent

Answer

Control

Answer

Dependent

Answer

Outcome

Question 7

When experimenting with the growth of a plant, a scientist uses three plants, two different fertilizers, equal light, and equal water. What type of variable is the water?

Accepted Answer

Control

Answer

Dependent

Answer

Independent

Answer

Outcome

Question 8

Which of the following might lead to the changing of a scientific idea?

Accepted Answer

a scientist gets results that do not fit a current idea and other scientists find his results are valid

Answer

A scientist describes an experiment to a group of students

Answer

A scientist gets the same results when repeating an experiment a second time

Answer

a scientist has to redo her experiment because she finds the correct procedure was not followed

Question 9

During a scientific investigation which step will a scientist likely perform first?

Accepted Answer

define the problem

Answer

form a conclusion

Answer

experiment

Question 10

I want to see how the amount of water affects plant growth.  What is the independent variable?

Accepted Answer

amount of water

Answer

plant growth

Answer

type of plant

Answer

soil type

Question 11

A testable idea or explanation that leads to a scientific investigation is called (can be stated as an if/ then statement)

Accepted Answer

hypothesis

Answer

conclusion

Answer

experiment

Question 12

The variable that stays the same

Accepted Answer

control

Answer

independent

Answer

dependent

Question 13

All the measurements and data scientists gather in support of a scientific explanation

Accepted Answer

empirical evidence

Answer

hypothesis

Answer

valid

Answer

invalid

Question 14

Sometimes scientist imitate something that is too big or too small to work with by creating a(n)

Accepted Answer

model

Answer

experiment

Answer

data station

Question 15

When forming a conclusion you should

Accepted Answer

Prove or disprove your hypothesis

Answer

Always confirm your hypothesis

Answer

State it as an if/ then statement

Question 16

How are theory and hypothesis alike?

Accepted Answer

They attempt to explain natural phenomenon.

Answer

Both are completed by experts.

Answer

Neither of them can be revised.

Answer

They both describe an event in nature.

Question 17

Something that is always true and is expected to happen every time is called a _____

Accepted Answer

scientific law

Answer

conclusion

Answer

hypothesis

Answer

scientific theory

Question 18

A well-tested explanation for a set of observations is called a ____

Accepted Answer

scientific theory

Answer

scientific law

Answer

observation

Answer

metaphor

Question 19

Sometimes scientist imitate something that is too big or too small to work with by creating a(n)

Accepted Answer

model

Answer

experiment

Answer

data station

Question 20

What is the systematic study of the natural world, events and conditions?

Accepted Answer

Science

Answer

Pseudoscience

Answer

Math

Answer

Psychology

Question 21

Empirical evidence is__________________.

Accepted Answer

Data

Answer

Opinion

Question 22

Why would a scientist run an experiment with several trials instead of a single trial?

Accepted Answer

Repetition increases the accuracy of the results

Answer

Repetition increases the sample size

Answer

Replication lets the experimenter change variables

Answer

Replication lets the the experimenter change the procedure

Question 23

A possible explanation to a problem that has not yet been tested.

Accepted Answer

hypothesis

Answer

data

Answer

theory

Answer

fact

Question 24

Which list is in the correct order that a scientist might follow during an experiment?

Accepted Answer

Collect Data -> Analyze Data ->Conclude

Answer

Collect Data -> Form Hypothesis -> Create a Question

Answer

Form a Procedure -> Ask a question-> Form an opinion

Answer

Analyze Data -> Run an experiment -> Form a Procedure

Question 25

Which phrase best describes why a scientist would modify an idea

Accepted Answer

Scientist gained new data and then debated the change

Answer

They wanted to prove another scientist wrong

Answer

They proposed a Law

Answer

Scientist had to much information to look at

Question 26

What does it mean to replicate

Accepted Answer

performing another scientist's study; following the same procedures

Answer

Copy another person's answers down

Answer

Complete repeated trials of an experiment to test the authentication of data

Answer

Collect data and put it in a chart

Question 27

What does it mean to go through repetition?

Accepted Answer

To complete many trials over and over to authenticate data

Answer

To change the variables and retest

Answer

To copy another scientist's answers

Answer

To perform another scientist's study to check the procedure and data

Question 28

What is the difference between an independent and a dependent variable?

Accepted Answer

The dependent variable changes based on the independent variable.

Answer

The dependent variable does not change while the independent variable does

Answer

The dependent variable does not change while the independent variable does not change

Answer

The dependent variable is the test variable and the independent is the outcome variable

Question 29

What could change a scientific idea?

Accepted Answer

New evidence doesn't support a theory, other scientist agree with the new finding

Answer

technology is used to teach a specific concept

Answer

two scientist replicating the same experiment under the same conditions gain different results

Answer

An experiment is found out to have contaminated variables.

Question 30

On which axis would you place the independent variable?

Accepted Answer

X

Answer

Y

Answer

Z

Question 31

On which axis would you place the dependent variable?

Accepted Answer

Y

Answer

X

Answer

Z

Question 32

According to this graph, what is the most popular flavor of Jolly Rancher?

Accepted Answer

Blue Rasberry

Answer

Cherry

Answer

Grape

Answer

Watermelon

Question 33

What percent of people chose gummy bears as their favorite candy?

Accepted Answer

25%

Answer

15%

Answer

30%

Answer

None of these

Question 34

Researchers were studying Disney employees and how they traveled to work. They collected their findings and graphed the data. Which question could the graph be used to answer?

Accepted Answer

How many more Disney employees take the bus than walk to work?

Answer

What is the number of cars owned by Disney employees?

Answer

How many Disney employees can ride a bike?

Answer

Ho many Disney employees ride with another person to get to work?

Question 35

Samantha runs an experiment and collects data on how far a ball travels. She runs four trials and the last one is drastically different from the first three. How could she improve the accuracy of the investigation?

Accepted Answer

do more trials

Answer

Get rid of the data that is different

Answer

average the data from each trial together

Answer

try a different ball

Question 36

Which item might be used to record the measurements of height, and weight for each student in a class?

Accepted Answer

data table

Answer

A camera

Answer

sketch

Answer

graph

Question 37

A set of principles that explains and predicts a phenomena is called a _____.

Accepted Answer

scientific theory

Answer

scientific law

Answer

scientific method

Answer

scientific instructor

Question 38

What is a theory?

Accepted Answer

Explains a process

Answer

Describes what happens

Question 39

What is a law?

Accepted Answer

Describes what happens

Answer

Explains a process

Question 40

Theory or law? The cell _________ of living things: living things are made of cells, which explains how things grow and live.

Accepted Answer

Theory

Answer

Law

Question 41

Theory or Law? Kepler's ______ of Planetary Motion: how planets orbit the sun. Shows what happens with planets.

Accepted Answer

Law

Answer

Theory

Question 42

Theory or Law? Tectonic ________ of Geology: the surface of the earth is made of tectonic plates, which move slowly. Explains why mountains are formed, earthquakes happen, etc.

Accepted Answer

Theory

Answer

Law

Question 43

Theory or Law? Newton's first ______ of Motion: Objects will stay in motion unless stopped. Shows what happens with moving objects.

Accepted Answer

Law

Answer

Theory

Question 44

Theory or law: Atomic _____ of matter: all matter is made up of atoms. Explains why matter behaves a certain way.

Accepted Answer

Theory

Answer

Law

Question 45

Can be expressed by a mathematical equation

Accepted Answer

Law

Answer

Theory

Answer

Both

Question 46

When a another scientist does someone's experiment to see if the results are valid?

Accepted Answer

replication

Answer

repetition

Answer

experimental method

Answer

controlled variable

Question 47

Josue goes to Silver River each week for 4 weeks and collects 5 samples of water to test the pH.

Accepted Answer

repetition

Answer

replication

Question 48

An environmental group contacts Nina to get her procedures so that they can check her results.

Accepted Answer

replication

Answer

repetition

Question 49

Kevin was mixing a batch of glue and borax solution to make silly putty and discovered a new substance that glows in the dark. He gave Ja'nay his specific amounts of ingredients and the steps of his procedure. He asked Ja'nay to try the experiment to see if she gets the same results.

Accepted Answer

replication

Answer

repetition

Question 50

Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs.
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?

Accepted Answer

d

Answer

c

Question 51

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

Accepted Answer

The type of liquid

Answer

The type of plant

Answer

The amount of sunlight

Answer

The type of music

Question 52

Kreedence wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?

Accepted Answer

Amount of seed eaten

Answer

Length of the birdfeeders

Answer

Amount of time feeders are outside

Answer

Location the feeders are put in.

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