PHYS U1 Q2 Review (Intro)

A(n) _ is a concise statement based on repeated experimental observation that describes some aspect of the world.

• Hypothesis

• Theory

• Scientific Law

• scientific investigation

Tags

NGSS.HS-PS2-1

A(n) ___ is a detailed explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.

• Hypothesis

• Theory

• Scientific Law

• scientific investigation

• none of these

Tags

NGSS.HS-ESS1-2

A(n) __ is an educated guess to the outcome of a scientific investigation.

• Hypothesis

• Theory

• Scientific Law

• scientific investigation

• none of these

Tags

NGSS.MS-LS1-5

The __ sciences include physics, chemistry, and geoscience.

• physical

• life

• formal

• social

• none of these

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

NGSS.HS-PS3-1

_ is the branch of science that seeks to explain how the universe works at its most fundamental levels.

• Physics

• Chemistry

• Biology

• Astronomy

• none of these

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A __ is a letter or symbol that represents an unknown number.

• variable

• constant

• coefficient

• term

• none of these

A __ is a number multiplied by a variable.

• variable

• constant

• coefficient

• term

• none of these

These are numbers that do not have a variable attached to it, so they never change.

• variables

• constants

• coefficients

• terms

• none of these

These are parts of the equation that are separated by plus and minus signs.

• variables

• constants

• coefficients

• terms

• none of these

These are letters or numbers that are written or printed above the line, like exponents.

• superscripts

• subscripts

• special characters

• variables

• none of these