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Nature of Science Review

Total questions: 50

Worksheet time: 46mins

Name
Class
Date
1.

This variable in an experiment is purposefully changed.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

2.

Experiments should be repeated over and over to see if the results are the same each time. What is this called?

a)

Repeated trials

b)

Validity

c)

Constants

d)

Hidden variables

3.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
4.
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the independent variable.
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
weight of the ball
5.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
6.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
7.
If I study for my scientific method quiz, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
8.

This part of the experiment serves as a basis of comparison; it does NOT receive the independent variable.

a)

experimental group

b)

control group

c)

data

d)

variables

9.
Why do we want to test only one independent variable at a time?
a)
Because it is hard to setup a data table with more than one variable
b)
To better identify what is causing the changes
c)
It is what has always been done
d)
It's easier to perform the experiment
10.
If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?
a)
Procedure
b)
Hypothesis
c)
Question
d)
Results
11.

The part of the experiment that remains the SAME for the control and experimental group.

a)

constants

b)

control

c)

independent

d)

dependent

12.
What skill is a scientist using when she listens to the sounds that an elephant makes?
a)
drawing conclusions
b)
making observations
c)
interpreting data
d)
making a hypothesis
13.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
14.
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 ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
15.
A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
16.

After you complete your experiment, you look carefully at data. This may involve creating a chart or graph. When you do this you _____________ the data.

a)

Analyze

b)

Conclude

c)

Communicate

d)

Predict

17.
The final results and answers to your big question is shared in your ________________.
a)
conclusion
b)
hypothesis
c)
observation
d)
inquiry
18.
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?
a)
sneezing
b)
Justin
c)
amount of tissue
d)
type of tissue
19.
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?
a)
type of music
b)
heart rate
c)
how long they listend to music
d)
Mr. McNeice
20.

Something we observe over and over again

a)

model

b)

pattern

c)

system

d)

theory

21.

How does listening to music affect test scores? The independent variable is

a)

music

b)

test scores

c)

the group of students who listen to music

d)

the group of students who don't listen to music

22.

It is important for scientists to write down every step of their experiment so that other scientists can ________ it.

a)

repeat

b)

judge

c)

tell about

d)

make fun of

23.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
24.

"If a child drinks milk everyday, then his bones will get stronger." The independent variable is

a)

strength of bones

b)

white milk vs chocolate milk

c)

milk

d)

there is no independent variable

25.

Jane is investigating to find out if bean plants grow taller in ordinary topsoil or special potting soil over a three week period. She sets up her investigation with 10 bean plants of equal size in each type of soil. What should Jane do each day to make sure she gets valid results?

a)

Water only the plants in special potting soil.

b)

Calculate the average plant height for each soil type.

c)

Move the plants in ordinary topsoil to different locations.

d)

Use a special fertilizer if the plants don't seem to be growing well.

26.

Jonathan and Sarah have performed an experiment and are not sure their results are valid. What should they do to check their results?

a)

average their data

b)

change their lab report

c)

perform a new experiment

d)

repeat the same experiment

27.

Which of the following statements about science is true?

a)

Science always contains the opinions of the investigator.

b)

Science proves the predictions of scientists to be correct.

c)

Science is based on observation or measurement that answers a question.

d)

Science answers all questions using strict rules called the scientific method

28.

6th grade science students are experimenting with the mass of a planet and its gravitational pull. It is true that a planet with more mass will have more gravity. With this understood, which statement is true?

a)

There is no gravity on the moon.

b)

The mass of a planet is the independent variable. The gravitational pull is the dependent variable.

c)

The gravitational pull is the independent variable. The mass of the planet is the dependent variable.

d)

Mars has a larger gravitational pull because it is larger and contains more mass than Earth.

29.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
30.
A study was done to see if different tire treads affect the braking distance of a car.
What is the dependent variable?
a)
Tire treads
b)
Braking distance
c)
Road conditions
d)
Model of car
31.

An investigation found that more potatoes would be produced on a farm if the soil was fertilized more.

What is a constant in this experiment?

a)

Number of potatoes

b)

Amount of fertilizer

c)

The location of the farm

32.
The height of a bean plant depends on the amount of water it receives.
What would you graph on the Y axis from this statement?
a)
Height of a bean plant
b)
Amount of water 
c)
Type of plant
d)
Life span of a bean plant
33.

Facts about something that can be used in calculating, reasoning, or planning are called

a)

hypothesis

b)

conclusions

c)

data

d)

graphs

34.

Bonita wondered - Will adding mass to a paper helicopter cause it to stay in the air longer? In her experiment, the helicopter with no additional mass is considered the

a)

dependent variable

b)

control

c)

a boring helicopter

d)

hidden variable

35.

A well-supported explanation of some aspect of the natural world is called a

a)

scientific law

b)

hypothesis

c)

valid idea

d)

scientific theory

36.

What tool is used to measure length?

a)

Graduated cylinder

b)

Triple beam balance

c)

Meter stick

d)

Scale

37.
Select the temperature in °C
a)
50°C
b)
10°C
c)
20°C
d)
60°C
38.
What is the correct volume of the blue liquid?
a)
5 ml
b)
15 ml
c)
20 ml
d)
25 ml
39.

Thinking about the Scientist's Toolbox, which does NOT belong?

a)

liter

b)

cubic centimeter

c)

gram

d)

graduated cylinder

40.

The average kinetic energy of molecules is measured by using a

a)

beaker

b)

thermometer

c)

electronic balance

d)

triple beam balance

41.

What is this tool?

a)

balance

b)

thermometer

c)

flask

d)

pipet

42.
Which of these contains steps in the right order?
a)
Ask a question, state your hypothesis, research, experiment, analyze, make a conclusion
b)
State your hypothesis, ask a question, research, experiment, analyze, make a conclusion
c)
Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion
d)
State your hypothesis, ask a question, research, make a conclusion, experiment, analyze
43.
A detailed list of all types and exact amounts of items used in an experiment.
a)
Procedure
b)
Hypothesis
c)
Materials
d)
Grocery List
44.

Which is the best scientific question?

a)

Who prefers multicolored bouncy balls over solid colored bouncy balls?

b)

What makes a ball bounce?

c)

Why do some bouncy balls bounce higher than others?

d)

Does increasing the temperature of a bouncy ball change the height it bounces?

45.

an object, diagram, or computer program that helps us understand something by making it simpler or easier to see

a)

pattern

b)

hypothesis

c)

scientific law

d)

model

46.

the compactness of a substance expressed as its mass per unit volume (how "crowded" something is)

a)

volume

b)

density

c)

mass

d)

weight

47.

a lipped cylindrical glass container for laboratory use.

a)

flask

b)

test tube

c)

jug

d)

beaker

48.

the amount of space an object takes up; measured in cm3, milliliters (mL), liters (L)

a)

mass

b)

volume

c)

density

d)

weight

49.

a narrow, cylindrical container marked with horizontal lines to represent units of measurement to measure liquids.

a)

test tube

b)

beaker

c)

flask

d)

graduated cylinder

50.

Which problem question is stated most correctly?

a)

How does the mass of an ice cube affect its melting rate?

b)

Does ice melt quickly?

c)

Temperature affects the way ice melts.

d)

If the mass of an ice cube is greater, then it will take longer to melt.

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