Scientific Knowledge and Practices

Which of these scientists would most likely engage in fieldwork to observe organisms?

• chemist

• biologist

• physicist

• mathematician

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

A statement that describes the way the world works under certain conditions

• empirical evidence

• scientific theory

• scientific law

• scientific method

Tags

NGSS.HS-PS2-1

An explanationof nature that is well-supported and widely accepted

• empirical evidence

• scientific theory

• scientific law

• scientific method

Tags

NGSS.HS-LS4-2

The information acquired by observation or experimentation.

• empirical evidence

• scientific theory

• scientific law

• scientific method

Tags

NGSS.HS-LS4-1

NGSS.HS-PS2-5

Which statement does NOT describe a scientific theory?

• A scientific theory can never be proven

• A scientific theory is supported by facts

• A scientific theory eventually becomes a fact

• A scientific theory is a generally accepted explanation

A(n) __________ is a rule that describes a pattern in the natural world.

• theory

• hypothesis

• scientific law

• observation

In 1859, Charles Darwin described a model of how living things change over time. He described this model and the evidence that supported it in a book called On The Origin of Species. Which scientific term is used to describe a testable model that seeks to explain natural phenomena?

• data

• hypothesis

• theory

• observation

Tags

NGSS.MS-LS3-1

Scientists form _________ hypothesis to answer questions.

• accurate

• short

• mathematical

• testable

Before a scientific theory is accepted and supported, it has

• been tested by only one scientist.

• been published in scientific journals.

• been tested many times by different scientists.

• been approved by the International Committee of Scientists.

Tags

NGSS.MS-LS2-4

A scientific ____________ is a statement that describes what always happens under certain conditions in nature.

• law

• theory

• method

• variable