Free Printable Twig Fair Test and Variable

Worksheets

Twig Fair Test and Variable

Total questions: 20

Worksheet time: 15mins

Name

Class

Date

The independent variable...

is the thing we measure

is the thing we draw

is the thing we keep the same

is the thing we change

The variable that we measure is called the...

independent variable

control variable

dependent variable

right variable

In a fair test you should...

only change one variable (the independent variable)

change all the variables

change no variables

The control variables....

are kept the same

are observed, measured and recorded

are gotten rid of

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

data

theory

hypothesis

fact

A fair test means our results are...

valid

repeatable

both

Ms. Sosa wants to test her pet snail's favorite food, Which one should she use for a fair test?

Amy wants to investigate which brand of batteries last longer. She want to use her MP3 player to test them.

Which of the following is the independent variable?

Volume of the MP3 player

Time of playing

Brand of batteries

Status of batteries (new/used)

Size of batteries (AA, AAA, C, D...)

Amy wants to investigate which brand of batteries last longer. She want to use her MP3 player to test them.

Which of the following is the dependent variable?

Volume of the MP3 player

Time of playing

Brand of batteries

Status of batteries (new/used)

Size of batteries (AA, AAA, C, D...)

10.

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

dependent variable

independent variable

data

control group

11.

What is a hypothesis?

A hypothesis is the right answer to an experiment.

A hypothesis is the wrong answer to an experiment.

A hypothesis is an educated guess.

I don't know.

12.

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

conclusion

procedures

materials

responding variable

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, the independent variable is ...

The type of plant

The amount of sunlight

The type of music

The type of liquid

14.

If you increase the amount of spinach you eat, then you will increase the iron in your blood.

What's the dependent variable?

amount of iron in your blood

spinach you eat

15.

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

True

How fast you get to school

Riding a bike or walking

False

16.

Will a construction paper air plane fly faster than an airplane made from notebook paper? What is the independent variable

type of paper

design of paper plane

distance of flight

speed of paper plane

17.

What is the part of the experiment that is left alone or “natural", and is used to compare back to?

Independent Variable

Dependent Variable

Control Group

Experimental Group

18.

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

19.

What should a method have?

The steps for doing the experiment so that I know what I am doing

Detailed steps of everything I am going to do so it can be repeated by someone else

An overview of how I conducted the experiment

Detailed steps but I don't need to include values or the variables

20.

Will a construction paper air plane fly faster than an airplane made from notebook paper? What is the dependent variable