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Scientific Method Study Guide/Practice Questions

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.

Match each vocabulary term with the correct definition: Dependent Variable

a)

Variable that is being measured

b)

Variable that is manipulated

c)

Constant variable

d)

Variable that is not affected

2.

Match each vocabulary term with the correct definition: Scientific Method

a)

Accepted organized way to explore a problem

b)

A random guess without evidence

c)

A fictional story

d)

A mathematical equation

3.

Match each vocabulary term with the correct definition: Control Group

a)

Group used in an experiment that does not have any changes in variables

b)

Group that receives the experimental treatment

c)

Group that is randomly selected from the population

d)

Group that is used to measure the effect of the independent variable

4.

Match each vocabulary term with the correct definition: Observation

a)

Information gathered through the senses

b)

A random guess

c)

A scientific theory

d)

A mathematical calculation

5.

Match each vocabulary term with the correct definition: Investigation

a)

Scientific explanation that can be tested

b)

A random guess without evidence

c)

A fictional story

d)

An artistic expression

6.

Match each vocabulary term with the correct definition: Independent Variable

a)

Variable that is controlled/changed by a scientist

b)

Variable that is measured in an experiment

c)

Variable that remains constant throughout the experiment

d)

Variable that is dependent on other variables

7.

Match each vocabulary term with the correct definition: Experimental Group

a)

Group in an experiment that is expected to show change due to changing one variable

b)

Group in an experiment that is not exposed to the variable being tested

c)

A group that receives a placebo instead of the actual treatment

d)

A group that is used to measure the effect of the variable being tested

8.

Match each vocabulary term with the correct definition: Inference

a)

Reasonable conclusion based on observed clues

b)

A random guess without evidence

c)

An exact replication of an event

d)

A detailed description of a process

9.

Match each vocabulary term with the correct definition: Experiment

a)

Observed or using models to test a hypothesis

b)

A random guess without any basis

c)

A detailed description of a natural phenomenon

d)

A mathematical calculation

10.

Match each vocabulary term with the correct definition: Hypothesis

a)

Scientific explanation that can be tested

b)

A random guess without evidence

c)

A proven fact

d)

An untestable opinion

11.

A scientist would research auto safety by conducting a

a)

Experiment

b)

Test

c)

Investigation

d)

Lab

12.

The purpose of a scientific investigation is to

a)

Identify interactions and relationships

b)

Discover patterns and trends

c)

Gather information in order to solve problems

d)

All of these

13.

If the variables cannot be controlled, the scientist will be able to

a)

conduct an experiment by using the scientific method

b)

conduct an experiment by observing and making models

c)

conduct an investigation by observing and making models

d)

conduct an investigation by using the scientific method

14.

Anthony wants to determine if music attracts more customers to his store. All of these are control variables EXCEPT

a)

the type of music

b)

the genre of music

c)

not playing music at all

d)

the volume of music

15.

Which of the following is NOT a data collection tool?

a)

Hand Lens

b)

Graduated Cylinder

c)

Knife

d)

Thermometer

16.

A tool used to grasp dangerous or small objects is a

a)

Beaker

b)

Thermometer

c)

Forecep

d)

Spring Scale

17.

Isabella makes observations and looks for patterns. Isabella then states what she thinks will happen next. This is

a)

Drawing Conclusions

b)

Hypothesizing

c)

Identifying Variables

d)

Inferring

18.

Liam wants to determine if red hummingbird feeders attract more hummingbirds than feeders that are other colors. The dependent variable is

a)

The number of feeders

b)

The size and shape of the feeders

c)

The color of the feeders

d)

The number of hummingbirds

19.

Which of the following is NOT part of the scientific method?

a)

Interpret Data

b)

Observe

c)

Record Data

d)

Take a guess

20.

Variables that should remain constant throughout an experiment are called

a)

Independent

b)

Control

c)

Measurable

d)

Dependent

21.

Which tool would a scientist use to examine an animal cell?

a)

Hand Lens

b)

Magnifying Glass

c)

Magnifying Box

d)

Microscope

22.

Which of the following pieces should be seen in a correct hypothesis?

a)

Identification of both the independent and dependent variables

b)

A description of the relationship between the variables

c)

A prediction of the outcome

d)

All of the above

23.

An observation that is giving a description and is not measured is a

a)

Quantitative observation

b)

Qualitative observation

c)

Adjective observation

d)

None of the above

24.

An observation that is measured or counted is a

a)

Quantitative observation

b)

Qualitative observation

c)

Adjective observation

d)

None of the above

25.

Why is a control group needed in an experiment?

a)

To provide a baseline for comparison

b)

To introduce variables

c)

To ensure the experiment is biased

d)

To increase the sample size

26.

Why is a hypothesis tested more than once?

a)

To ensure accuracy and reliability of results

b)

To save time and resources

c)

To avoid any form of bias

d)

To make the process more complex

27.

Parker is trying to determine if increasing the size of a car’s tires affects gas mileage. Which of the following could be a hypothesis for this experiment?

a)

Increasing the size of a car's tires will improve gas mileage.

b)

Increasing the size of a car's tires will decrease gas mileage.

c)

Increasing the size of a car's tires will have no effect on gas mileage.

d)

Increasing the size of a car's tires will make the car faster.

28.

A lab is never a failure because:

a)

It always provides learning opportunities and information is still gained.

b)

It guarantees successful results.

c)

It is always conducted in a controlled environment.

d)

It requires expensive equipment.

29.

An investigation is conducted by observing and making models. How is an experiment conducted?

a)

By guessing the outcome

b)

By using the scientific method

c)

By asking random questions

d)

By observing without recording

30.

A reasonable conclusion based on observed clues is an

a)

Opinion

b)

Observation

c)

Inference

d)

Hypothesis