Nature of Science Review

 An organized procedure to study something under controlled conditions is called:

• theory
• experiment 
• observation
• hypothesis

Tags

NGSS.MS-PS1-2

 A testable idea or explanation that leads to scientific investigation based on prior knowledge is known as: 

• theory
• experiment 
• observation
• hypothesis

What does science include?

• Asking questions and searching for answers.

• Asking questions and guess the answers.

• Do experiments without asking questions.

Tags

NGSS.MS-PS1-2

How observations are made?

• With your senses

• With lab tools

• Both of them are correct

These describe a natural phenomenon or relationship that always occurs under specific conditions

• theory

• law

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

NGSS.HS-PS3-4

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.

What is a theory?

• Describes what happens
• Explains a process

What is a law?

• Describes what happens
• Explains a process

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Tags

NGSS.MS-ETS1-1

What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?

• the paper used
• the type of paper airplane
• the distance of each plane's flight
• how hard the plane is thrown

Tags

NGSS.MS-PS2-2