Quiz about Nature of Science Practice

Question 1

Using one or more of your senses to gather information is called

Accepted Answer

Observing

Answer

Inferring

Answer

Predicting

Answer

Hypothesizing

Question 2

An educated guess or testable prediction is a

Accepted Answer

hypothesis

Answer

theory

Answer

law

Answer

conclusion

Question 3

A statement that describes the most logical explanation based on experiment is a

Accepted Answer

theory

Answer

law

Answer

hypothesis

Question 4

The statement that correctly lists the steps of the scientific method in order is ______

Accepted Answer

ask a question-hypothesis- experiment-collect data and analyze

Answer

conclusion- research-hypothesis-ask a question

Answer

conclusion-hypothesis-research-experiment

Question 5

The steps commonly used by scientists in gathering information to test hypotheses and solve problems are called _____.

Accepted Answer

scientific method

Answer

scientific inquiry

Answer

hypothesis

Question 6

The variable that is changed by the scientist to test a hypothesis is called the _________________________ .

Accepted Answer

independent variable

Answer

dependent variable

Answer

control

Question 7

What type of graph shows trends over time?

Accepted Answer

Line graph

Answer

Circle graph

Answer

Bar graph

Question 8

A process that uses observation and experimentation to gain knowledge about events in nature is _________________________.

Accepted Answer

science

Answer

gravity

Answer

scientific method

Question 9

Which is the best description of the dependent variable?

Accepted Answer

the measurable variable

Answer

the variable that is changed by the scientist

Answer

the variable that does not change

Question 10

Which of the following should be a goal of a scientific investigation?

Accepted Answer

to help the scientist solve a problem

Answer

to help the scientist make money

Answer

to make sure the scientist is correct

Question 11

A prediction about a problem that can be tested is ____________________

Accepted Answer

hypothesis

Answer

variable

Answer

theory

Answer

law

Question 12

At one point in time, many people thought disease was caused by fate or by incorrect behavior. Following the invention of the microscope, bacteria were discovered. After this, a new theory of what causes disease arose that was known as the germ theory.  Why was the original theory modified?

Accepted Answer

New evidence prompted revision to the original ideas.

Answer

It quickly became obvious that germs cause disease.

Answer

The person who invented the microscope became ill.

Answer

The proponents of the germ theory had political power.

Question 13

Why is it important that scientists modify scientific theories when important new information is discovered?

Accepted Answer

to keep the theory as accurate and effective as possible

Answer

to confuse other scientists

Answer

to keep the theory interesting and fresh

Answer

to make sure the general public does not understand the theory

Question 14

A biologist is investigating the effects of growth hormone on the rate of metamorphosis in butterflies. Which of the following methods of investigation would work best for the biologist investigating any possible effects?

Accepted Answer

controlled experiments

Answer

models

Answer

systematic observations

Answer

random sampling of populations

Question 15

Which of the following is a scientific observation?

Accepted Answer

The potato is brown in color.

Answer

The potato tastes the best.

Answer

The potato may cause allergies.

Answer

The potato smells funny.

Question 16

A scientist is collecting data on the number of times a cricket chips per minute. What sense is the scientist most likely using to make observations?

Accepted Answer

hearing

Answer

smell

Answer

sight

Answer

touch

Question 17

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 18

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 19

Which question can best be investigated by a scientist?

Accepted Answer

Does a plant need sunlight to grow?

Answer

Should I buy a red shirt or a green shirt?

Answer

Does chocolate milk or plain milk taste better?

Answer

Which feels softer, cat fur or dog fur?

Question 20

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

Accepted Answer

one

Answer

none

Answer

two

Answer

three

Question 21

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 22

The variable that is changed on purpose is:

Accepted Answer

Independent

Answer

Control

Answer

Dependent

Answer

Outcome

Question 23

The variable in the experiment that is the outcome that you measure is called:

Accepted Answer

Dependent

Answer

Control

Answer

Independent

Answer

Hypothesis

Question 24

In the paper airplane experiment, changing the size of the airplane would be which variable?

Accepted Answer

Independent

Answer

Dependent

Answer

Control

Answer

Conclusion

Question 25

An independent variable ......(check all that apply)

Accepted Answer

is what is changed during an experiment.

Accepted Answer

is graphed on the x-axis.

Answer

is what is measured during an experiment.

Answer

is always quantitative.

Question 26

A good scientist has the following characteristics (check all that apply).

Accepted Answer

Skeptical

Accepted Answer

Open-Minded

Accepted Answer

Curious

Answer

Biased

Question 27

Puppies are cuter than kittens is a(n)

Accepted Answer

opinion

Answer

fact

Question 28

The statement puppies have four legs, two eyes and one mouth is an example of

Accepted Answer

a fact

Answer

an opinion

Question 29

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 30

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 31

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

Accepted Answer

replication

Answer

repetition

Question 32

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 33

Ms. Spiers has taught Mini Bear to run a maze. She thinks that the hamster will go faster if she puts its favorite treat at the end. She has the hamster run the maze ten times with the favorite treat and ten times with a regular food pellet. She uses a stopwatch to measure how long it takes for the hamster to get to the reward.

Accepted Answer

repetition

Answer

replication

Question 34

The Independent Variable is represented on which Axis?

Accepted Answer

X

Answer

A

Answer

B

Answer

Y

Question 35

The Dependent Variable is represented on which Axis?

Accepted Answer

Y

Answer

A

Answer

X

Answer

B

Question 36

What is the Dependent (responding) Variable in this graph?

Accepted Answer

Growth (cm)

Answer

Plant Growth

Answer

Hours

Answer

15

Question 37

What was the dependent variable in this experiment?

Accepted Answer

Force

Answer

Stretch Distance

Answer

Type of Spring Used

Question 38

What was the independent variable in this experiment?

Accepted Answer

Stretch Distance

Answer

Force

Answer

Type of Spring Used

Question 39

Identify the dependent variable:
A study was done to find if different tire treads affect the braking distance of a car.

Accepted Answer

The distance the car took to brake

Answer

The car

Answer

The different tire treads

Answer

The drive

Question 40

Identify the independent variable:
The height of bean plants depends on the amount of water they receive.

Accepted Answer

The amount of water provided daily

Answer

The bean seed

Answer

The amount of sunlight they're exposed to daily

Answer

How tall they grow by the end of the experiment

Nature of Science Practice

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