Earth & Space Science - Teacher on a Trip - White Sands Flashcard 1

Front

What causes the differences in sand color on beaches?

Back

The color of minerals that make up the sand.

Front

What is a mixture where different materials keep their own properties?

Back

Heterogeneous mixture.

Front

What is the variable that is manipulated in an experiment?

Back

Independent variable.

Front

What factor causes crystals to form more slowly and become larger?

Back

Lower rate of cooling.

Front

What process is responsible for the formation of mineral deposits in caves?

Back

Precipitation from mineral-rich water.

Front

What is the definition of a mineral?

Back

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

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has distinct, separate components.

Front

What is the role of the control group in an experiment?

Back

The control group serves as a baseline to compare the effects of the independent variable.

Front

What is the definition of an independent variable?

Back

The variable that is changed or controlled in a scientific experiment.

Front

What is the definition of a dependent variable?

Back

The variable that is measured or tested in an experiment.