Earth Science Review

Front

What is the Mohs scale of hardness?

Back

A scale used to measure the hardness of minerals based on their ability to scratch one another, ranging from 1 (talc) to 10 (diamond).

Front

What is the definition of a mineral?

Back

A naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

Front

What is luster in mineralogy?

Back

The way a mineral reflects light, which can be described as metallic, glassy, pearly, or dull.

Front

What is streak in mineral identification?

Back

The color of the powder left when a mineral is scraped across a streak plate.

Front

What is cleavage in minerals?

Back

The tendency of a mineral to break along flat, even surfaces.

Tags

NGSS.MS-PS1-1

Front

What is the difference between an independent variable and a dependent variable?

Back

The independent variable is the one that is changed or controlled in an experiment, while the dependent variable is the one that is measured or affected.

Tags

NGSS.MS-PS3-4

Front

What is meteorology?

Back

The scientific study of the atmosphere and weather patterns.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

NGSS.MS-ESS3-2

Front

What is the geosphere?

Back

The solid part of the Earth, including the crust and the upper mantle.

Front

What is the definition of a hypothesis?

Back

A proposed explanation for a phenomenon, which can be tested through experimentation.

Tags

NGSS.HS-PS1-2

Front

What is the significance of the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2