Free Printable Scientific Method

1.

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

2.

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

a)

data

b)

theory

c)

hypothesis

d)

fact

3.

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

a)

dependent variable

b)

independent variable

c)

data

d)

control group

4.

The summary at the end of an experiment that explains the results.

a)

conclusion

b)

procedures

c)

materials

d)

responding variable

5.

The name of the information that you get from your experiment (you organize it into charts and graphs).

a)

observations

conclusion

b)

data

c)

variables

d)

hypothesis

6.

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

7.

Dependent variable means

a)

the scientist controls what to test

b)

educated guess

c)

ask a question

d)

what is being measured

8.

Which of the following would be considered quantitative data?

a)

Color

b)

Smell

c)

6.84 cm

d)

texture

9.

Explaining the color of a chemical would be what kind of observation?

a)

Qualitative

b)

Quanitative

10.

A student conducted an original, well-designed experiment, carefully following proper scientific procedure. In order for the conclusions to become generally accepted, the experiment must

a)

support the original hypothesis

b)

be conducted by a scientist

c)

be repeated to verify the reliability of the data

d)

contain several experimental variables

11.

To test the effect of hormones on plant growth, 6 potted plant seedlings of the same species were measured and then sprayed with auxin (a growth hormone). After 4 weeks of growth under ideal conditions, the plants were measured again. To set up a proper control for this experiment, the investigator should

a)

spray the same plants with different amounts of auxin

b)

wash the auxin off three of the plants after 2 weeks

c)

grow another 6 seedlings of the same species under the same conditions, spraying them with distilled water only

d)

spray auxin on 6 plant seedlings of the same species and grow them in the dark for four weeks

12.

In an investigation designed to determine the effect of ultraviolet light on mold growth spore, 2 groups of mold spores were grown under identical conditions, except one group was exposed only to ultraviolet light , while the other group was grown in total darkness. The group grown without receiving any ultraviolet light is known as the

a)

control

b)

hypothesis

c)

limiting factor

d)

dependent variable

13.

Kira wants to test which type of soda creates the biggest foam explosion when adding a Mentos candy. She chose Sprite, Coke, and Mountain Dew. One at a time, she added a single Mentos candy and measured the height of the foam eruption. Mountain Dew created a foam eruption of 7 inches. Coke and Sprite tied at 5 inches. What is her dependent variable?

a)

Brand of soda

b)

Number of mentos candies used

c)

Height of foam eruption

d)

Temperature of soda

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, what are the experimental constants?

a)

Type of plant, amount of music, and sunlight

b)

Water, apple juice, milk

c)

Plant growth

15.

What is another name for the control group in an experiment?

a)

Comparison Group

b)

Independent Group

c)

Dependent Group

d)

Experimental Group

Scientific Method

Total questions: 15

Worksheet time: 15mins

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