Final Exam (mixed review #8)

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

• Type of gasoline
• which car the gas is put into
• how fast the car can drive
• how much gas is put into the car

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

Which variable do you measure?

• Independent
• Dependent

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

• dependent variable
• independent variable
• data
• control group

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

• law
• theory
• hypothesis
• fact

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

• conclusion
• procedures
• observation
• analysis

the process of obtaining information by using one or more of your five senses or technology/tools that extend our senses.

• hypothesis

• observation

• inference

observations, measurements, and other types of data that is gathered to support and evaluate scientific explanations

• emperical evidence

• hypothesis

• independent variable

Which of the following is a system of learning about the world?

• Science
• Math
• Scooby Doo
• The Metric System