Scientific Investigation Skills

Any factor, trait, or condition that can exist in differing amounts or types in an experiment.

• variable

• independent variable

• dependent variable

• constant variable

quantities or variables that a scientists keeps the same throughout an experiment.

• variable

• independent variable

• dependent variable

• constant variable

The X axis is labeled with,

• the constant variable

• the independent variable

• the sample variable

• dependent variable

The Y axis is labeled with the

• control variable

• independent variable

• sample variable

• dependent variable

Which step of the scientific method uses an "If...then...because" statement to provide a possible answer to the question?

• Purpose

• Research

• Hypothesis

• Conclusion

A variable that a scientist controls/manipulates in

an experiment. "I" the scientist change it.

• Independent variable

• Dependent variable

• Constant

• s

How many variables can you change in a controlled experiment?

• 1

• 3

• 5

• 7

What is the independent variable in the following hypothesis?

HYPOTHESIS: If I spend more time studying, then my grades in science will improve.

• An improvement in grades

• Location for studying science

• Time spent studying

• Playing soft music in the background

What is the dependent variable in the following hypothesis?

HYPOTHESIS: If I add fertilizer to my flowers, then the flowers will grow taller.

• Fertilizer

• Flower height

• Number of blooms on each plant

• Amount of time flowers took to bloom

What is a qualitative observation?

• A. observations that deal with numbers

• B. observations that guess the outcome

• C, deal with descriptions that can not be expressed by numbers

• D. making a model