Free Printable Scientific Method

Worksheets

Scientific Method

Total questions: 10

Worksheet time: 14mins

Name

Class

Date

I want to know if low strength bleach, medium strength bleach, or maximum strength bleach will get Heinz ketchup stains out of white T-shirts the best. What is the variable in this experiment?

the type of stain

the strength of the bleach

the color of shirt

the brand of ketchup

In an experiment, the factor that we measure is called the

controlled variable

conclusion

independent variable

dependent variable

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the dependent variable is _______________________________.

the water

the temperature of the water

the number of plants that can live in the water

the amount of salt in the water

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the independent variable is _______________________________.

the water

the temperature of the water

the number of plants that can live in the water

the amount of salt in the water

If you increase the amount of spinach you eat, then you will increase the iron in your blood.
What's the dependent variable?

increase the amount of iron in your blood

spinach you eat

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

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

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

A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.Which is the best conclusion for this experiment?

Acid has no effect on the health of this type of plant.

B. High acidity is helpful to this type of plant.

C. Low acidity is harmful to this type of plant.

High acidity is harmful to this type of plant.

10.

Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable
-Amount of water
-Height of Ice cube
-Temperature the ice cube was at its highest height
-Temperature of the water
-Size of the ice cube

Amount of water

Height of Ice cube

Temperature the ice cube was at its highest height

Size of the ice cube

100 %

Scientific Method

Total questions: 10

Worksheet time: 14mins

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