Free Printable Nature of Science

1.

An organized procedure for testing a hypothesis is a(n) _.

a)

experiment

b)

independent variable

c)

constant

2.

What two things are needed for a scientific investigation?

a)

Data and observations

b)

Observations and a hypothesis

c)

Evidence and observations

d)

Hypothesis and conclusion

3.

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable

a)

Type of fertilizer

b)

Size of sunflower

c)

type of sun flower

4.

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable

a)

Type of fertilizer

b)

Size of sunflower

c)

Type of sunflower

5.

This variable in an experiment is the one being deliberately changed by the scientist.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

6.

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

a)

constants

b)

control

c)

independent

d)

dependent

7.

An experiment is being done to determine how light affects the growth of small zinnia plants. One plant is placed in full sunlight, the second in a shaded area, the third in an unlit closet. The hypothesis of this experiment could be:

a)

Plants grow differently under different conditions.

b)

Zinnia plants in direct sunlight grow taller than zinnia plants in little or no sunlight.

c)

Many things, including sunlight, affect the growth of a plant.

8.

Why do we want to test one variable at a time?

a)

Because it is hard to setup a data table with more than one

b)

It keeps the experiment fair and you can see what caused the change

c)

It is what has always been done

d)

It makes the results better in an experiment

9.

Mrs. G set up an experiment to see how the type of ball affects the distance it rolls off a ramp. Identify the manipulated in this experiment.

a)

distance traveled by the ball

b)

height of the ramp

c)

the type of ball

10.

Mrs. Ditty wants to investigate which brand of trash bag can withstand the most amount weight before ripping. Identify the responding variable for her investigation.

a)

amount of trash bags

b)

brand of trash bags

c)

amount of weight

d)

same size trash bags

11.

Mrs. Ditty wants to investigate which brand of trash bag can withstand the most amount weight before ripping. Identify one possible control variable for her investigation.

a)

amount of trash bags

b)

brand of trash bags

c)

amount of weight

d)

same size trash bags

12.

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

13.

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, what is the responding variable?

a)

Type of plant

b)

Water, apple juice, milk

c)

Plant growth

14.

How many variables should a scientist change with each new experiment?

a)

1

b)

2

c)

3 or more

d)

as many as he wants to

15.

Hui Ling would like to test the rate of heat conduction of different materials. She set up the apparatus below with different number of ice cubes and two plates of different materials. What should she do to ensure a fair test?

a)

Use the same type of plates and different number of ice cubes.

b)

Use the same type of plates and the same number of ice cubes.

c)

Use different types of plates and different number of ice cubes.

d)

Use different types of plates and the same number of ice cubes.

16.

A variable is...

a)

Something that is always measured

b)

Something that can be changed

c)

Something that has to stay the same

17.

In a fair test you should...

a)

only change one variable (the independent variable)

b)

change all the variables

c)

change no variables

18.

What is the first thing that a scientist does?

a)

Experiment

b)

Make observations

c)

Ask a question

d)

Make a prediction

19.

What are the number of times each level of the independent variable is tested?

a)

constants

b)

control

c)

trials

d)

dependent variable

20.

Students used various temperatures of water to see which one dissolved candy faster.
What was the Independent Variable?

a)

Amount of Candy

b)

Amount of Water

c)

Temperature of Water

d)

Time for Candy to Dissolve

21.

Students wanted to see if the type of material affected the temperature after being placed under a heat lamp for 10 minutes.

What is the dependent variable for this investigation?

a)

Type of material (rocks, sand etc)

b)

Temperature after 10 minutes

c)

Time under the lamp

d)

Heat lamp, amount of material

22.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

a)

the male alligators

b)

the incubator

c)

the gender of the alligator

d)

the temperature

23.

Jeff is 6 feet 2 inches is a ___________ assesment

a)

Qualitative

b)

Quantitative

24.

The cake has a sweet smell is a _______ assessment.

a)

Qualitative

b)

Quantitative

25.

The type of variable that you change or manipulate in an experiment. It is what you are testing.

a)

Independent

b)

Dependent

c)

Control

26.

The type of variable that responds to the experiment and is what you measure to determine if your hypothesis is true.

a)

Independent

b)

Dependent

c)

Control

d)

Constant

27.

The purpose of the control group is:

a)

Used for comparisons

b)

Application of the I.V.

c)

Application both the I.V. and D.V.

d)

Application of all constants.

28.

Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?

a)

height of the players

b)

color of the balls thrown

c)

order in which the players throw

d)

spot from which the players throw

29.

Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?

a)

Water

b)

Soda

c)

Milk

d)

No liquid

30.

Maya designed an experiment to answer the following question: How does the amount of water given to a lima

bean seed affect how tall it grows?

In this experiment, what variable should Maya CHANGE?

a)

the amount of water

b)

the kind of plant

c)

the type of soil

d)

the amount of sunlight it gets

31.

Anthony designed an experiment to answer the following question: How does the temperature of water affect the time it takes for a sugar cube to dissolve?

Which factor should Anthony CHANGE in his experiment with the sugar cubes?

a)

the amount of water he uses

b)

the size of the sugar cubes

c)

the temperature of the water

32.

Melika made a model to help understand why craters on the moon are different sizes. She represented the moon’s surface with a pan of flour. Melika represented objects that hit the moon with marbles. She thinks that dropping marbles from a greater height will make the crater’s diameter larger.

What should she change in her experiment to test her hypothesis?

a)

the weight of the marbles

b)

the kind of flour in the pan

c)

the height she drops the marbles from

d)

the size of the marbles

33.

You decide to clean your bedroom. You notice that your floor is covered with clothes. You decide to try to get rid of the clothes by throwing the clothes into the air. You throw clothes from a 1/3 of the room into the closet and a second 1/3 of the room straight up in the air. The last 1/3 of the room you leave the clothes on the floor. After 30 minutes of "cleaning", the floor of the room is now visible. WHAT IS THE INDEPENDENT VARIABLE?

a)

The bedroom

b)

How clean the bedroom is

c)

The amount of clothes

d)

Throwing the clothes

34.

You decide to clean your bedroom. You notice that your floor is covered with clothes. You decide to try to get rid of the clothes by throwing the clothes into the air. You throw clothes from a 1/3 of the room into the closet and a second 1/3 of the room straight up in the air. The last 1/3 of the room you leave the clothes on the floor. After 30 minutes of "cleaning", the floor of the room is now visible. WHAT IS THE DEPENDENT VARIABLE?

a)

The bedroom

b)

How clean the bedroom is

c)

The amount of clothes

d)

Throwing the clothes

35.

You decide to clean your bedroom. You notice that your floor is covered with clothes. You decide to try to get rid of the clothes by throwing the clothes into the air. You throw clothes from a 1/3 of the room into the closet and a second 1/3 of the room straight up in the air. The last 1/3 of the room you leave the clothes on the floor. After 30 minutes of "cleaning", the floor of the room is now visible. WHAT ARE TWO CONTROLLED VARIABLES?

a)

The amount of clothes

b)

The direction you are throwing the clothes

c)

The bedroom

d)

How clean the bedroom is

36.

I am doing a test to see if there is a connection between how long you run and how fast your heart beats. I will be performing an experiment where a person will run for a 1 minute and I will check their heartbeat. Then they will run for 2 minutes and I will check their heart rate. I will do this up to 6 minutes and see if there is a connection. WHAT IS THE INDEPENDENT VARIABLE?

a)

Heart rate

b)

6 minute time limit

c)

Time they are running

d)

The person

37.

I am doing a test to see if there is a connection between how long you run and how fast your heart beats. I will be performing an experiment where a person will run for a 1 minute and I will check their heartbeat. Then they will run for 2 minutes and I will check their heart rate. I will do this up to 6 minutes and see if there is a connection. WHAT IS THE DEPENDENT VARIABLE?

a)

Heart Rate

b)

6 minute time limit

c)

How long they run

d)

The person

38.

I am doing a test to see if there is a connection between how long you run and how fast your heart beats. I will be performing an experiment where a person will run for a 1 minute and I will check their heartbeat. Then they will run for 2 minutes and I will check their heart rate. I will do this up to 6 minutes and see if there is a connection. WHAT ARE TWO CONTROLLED VARIABLES?

a)

The time between tests

b)

The same person

c)

Heart Rate

d)

How fast they run

39.

Soccer season is here and I think I need to make sure I am healthy and I want to lose some weight. I keep seeing these commercials for Special K cereal and if you eat it for 2 weeks, you will lose 10 pounds. I want to test this idea and see if it actually works. I plan on eating whatever I want for the next two weeks and am going to track my weight every morning. Then I will eat nothing but Special K cereal, milk and water for two weeks and track my weight in the morning. WHAT IS THE INDEPENDENT VARIABLE?

a)

My weight

b)

The cereal

c)

10 lbs

d)

Eating whatever I want

40.

Soccer season is here and I think I need to make sure I am healthy and I want to lose some weight. I keep seeing these commercials for Special K cereal and if you eat it for 2 weeks, you will lose 10 pounds. I want to test this idea and see if it actually works. I plan on eating whatever I want for the next two weeks and am going to track my weight every morning. Then I will eat nothing but Special K cereal, milk and water for two weeks and track my weight in the morning. WHAT IS THE DEPENDENT VARIABLE?

a)

My weight

b)

The cereal

c)

10 lbs

d)

Eating whatever I want

41.

Soccer season is here and I think I need to make sure I am healthy and I want to lose some weight. I keep seeing these commercials for Special K cereal and if you eat it for 2 weeks, you will lose 10 pounds. I want to test this idea and see if it actually works. I plan on eating whatever I want for the next two weeks and am going to track my weight every morning. Then I will eat nothing but Special K cereal, milk and water for two weeks and track my weight in the morning. WHAT ARE TWO CONTROLLED VARIABLES?

a)

10 lbs

b)

Special K, milk and water

c)

2 week trial

d)

Eating whatever I want

42.

These kind of observations are made using instruments such as rulers, balances and thermometers.

a)

qualitative

b)

quantitative

43.

These kind of observation use your senses to observe results.

a)

qualitative

b)

quantitative

44.

The leaf is 5 mm wide.

a)

qualitative

b)

quantitative

45.

The clouds are grey and ground is wet.

a)

qualitative

b)

quantitative

46.

The box is brown

a)

quantitative data

b)

qualitative data

47.

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.

a)

experimental group

b)

control group

c)

data

d)

variables

48.

What variable is MANIPULATED (changed) by the scientists?

a)

Independent variable

b)

Dependent Variable

c)

Control Variable

d)

Featured Variable

49.

How many variables can be changed in a fair test experiment?

a)

one (1)

b)

two (2)

c)

three (3)

d)

four (4)

50.

What is also known as the responding variable?

a)

Dependent Variable

b)

Independent Variable

c)

Constant Variable

d)

New Variable

Nature of Science - 2021-22

Total questions: 50

Worksheet time: 58mins

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