Quiz Review 1.1-1.3 (8th)

What does the term contingency mean?

• Time in a project plan that has no tasks assigned. Used if tasks are not completed on time.

• Shows what task is dependent on another, what task has to be completed before another can be completed

• The things needed to complete the project, could include software and hardware

• A given point in time when a task is expected to be started or completed

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

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

• data
• theory
• hypothesis
• fact

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

• conclusion
• procedures
• materials
• responding variable

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

• dependent variable
• independent variable
• data
• control group

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

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

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

A hypothesis is a testable question that can be used to plan a scientific investigation.

• true

• false

A representation of something in the natural world.

• law

• model

• theory

• limitation