Scientific Law and Theory

Scientific theories do not change once they have been written down.

• True
• False

Scientific theories are based on

• general assumptions of how systems work.
• mathematical principles that can be proven true.
• large amounts of data collected over time.
• observations from within only one scientific discipline.

Tags

NGSS.MS-LS4-1

Which of these can change when new evidence is presented?

• theory

• law

Which of these can be represented mathematically and provide no explanation why a phenomenon occurs?

• theory

• law

Scientists create both scientific theories and scientific laws as they make observations and conduct experiments about the natural world. Which of the following statements most accurately compares the difference between scientific theories and scientific laws

• science laws are based on evidence while science theories are not

• science theories involve only biology, while laws involve all types of science

• science theories involve mathematical equations, while science laws are based on observations

• science theories are ideas that explain natural events, while science laws predict what will happen in a natural event.

Scientific theories can be tested.

• True
• False

Tags

NGSS.HS-PS1-2

What is a theory?

• Describes what happens
• Explains a process

What is a law?

• Describes what happens
• Explains a process

Which of these can change when new evidence is presented?

• theory

• law

Tags

NGSS.HS-PS1-2

Scientific theories do not change once they have been written down.

• True
• False