Chapter 2: The World Of Science

Question 0

What is empirical evidence?

Answer 0

The data and observations that have been collected through scientific processes.

Question 1

What is a scientific explanation?

Answer 1

Scientific explanation describes how something works or why something happens.

Question 2

What is an opinion?

Answer 2

And opinion is an idea that maybe formed from evidence but is not been confirmed by evidence.

Question 3

What is controversy?

Answer 3

A public disagreement between groups.

Question 4

What is a scientific theory?

Answer 4

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

Question 5

What is a scientific law?

Answer 5

A scientific law is a statement that describes what scientists expect to happen every time under a particular set of conditions.

Question 6

What is a model?

Answer 6

Any representation of an object or process.

Question 7

What is a system?

Answer 7

A group of parts that work together to perform a function or produce a result.

Question 8

What is input?

Answer 8

The material or energy that goes into a system.

Question 9

What is a process?

Answer 9

What happens in a system.

Question 10

What is an output?

Answer 10

The material or energy that comes out of a system.

Question 11

What is feedback?

Answer 11

Output that changes the system in some way