Physical Science Chapter 1 Test

A testable prediction is a(n) ______.

• hypothesis
• experiment
• exercise
• variable

When designing an experiment, the first step is to. ______.

• state a hypothesis
• list a procedure
• state the problem
• analyze the data

A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ______.

• control
• independent variable
• constant
• dependent variable

A factor that changes in an experiment from manipulation of the independent variable is the ______.

• control
• hypothesis
• constant
• dependent variable

A factor that does not change in an experiment is the ______.

• control
• independent variable
• constant
• dependent variable

An organized process used to gather observations and test a hypothesis is a(n) ______.

• problem
• experiment
• exercise
• constant

A statement that describes what happens in nature is a ______.

• scientific law
• hypothesis
• theory
• variable

An explanation of an event that is based on repeated observations and experiments is a ______.

• problem
• hypothesis
• theory
• variable

An idea, event, or object that can be used to represent something you are trying to explain is a ______.

• model
• constant
• hypothesis
• variable

In an experiment to determine if the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n) ______.

• conclusion
• control
• hypothesis
• data