phy sci test 1 2020

Using one or more of your senses to gather information is called 

• observing
• scientific inquiry
• communicating
• inferring

You are inferring when you

• make a forecast of what will happen in the future
• develop an imaginative way to solve a problem
• explain or interpret the things you observe
• draw a conclusion about your hypothesis

A factor that can change in an experiment is called a 

• conclusion
• variable
• hypothesis
• theory

A well-tested explanation for a wide range of observations or experimental results is a 

• scientific law
• responding variable
• manipulated variable
• scientific theory

How people change the world around them to meet their needs or to solve practical problems is called

• technology
• feedback
• science
• design

What is a factor that limits or restricts a design?

• goal
• constraint
• trade-off
• prototype

Physical science is divided into two main areas: chemistry and ____________.

• astrology
• chemistry
• physics
• botany

A(n) ______ is a statement that describes what scientists expect to happen every time under a particular set of circumstances. 

• scientific law
• scientific theory
• hypothesis
• inference

A(n) __________ is a person gained to use both technology and scientific knowledge to solve practical problems.

• scientist
• engineer
• technician
• botanist 

A(n) quantitative observation deals with a number, or amount.

• True
• False