Gypsum Formation and Characteristics Quiz

Circle TWO abiotic factors that must be present in order for gypsum to form.

• Water

• Salt

• Nitrates

• Heat

• Wind

Tags

NGSS.MS-ESS2-4

White Sands National Park in New Mexico is home to unique gypsum sand dunes. How are these crystals formed?

• Evaporation of water leaves crystals behind.

• Crystal precipitates form in a supersaturated solution.

• Earthquakes shake the ground, leaving crystals around the earth.

• As lava cools slowly underground, the minerals form.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Gypsum sand appears WHITE. What causes sands to be different colors?

• The size of minerals that form the sand

• The color of minerals that form the sand

• The hardness of minerals that form the sand

• The luster of minerals that form the sand

The Cave of Crystals in Mexico has large crystals formed underground. How are these crystals formed?

• Evaporation of water leaves crystals behind.

• Crystal precipitates form in a supersaturated solution.

• Earthquakes shake the ground, leaving crystals around the earth.

• As lava cools slowly underground, the minerals form.

Although both sites form gypsum crystals, which variable results in a vast difference in the SIZE of crystal?

• temperature

• elevation/location

• wind

• water source

Tags

NGSS.MS-PS1-4

How many variables should a researcher change in an experiment at a time?

• 1

• 2

• 3

• It is up to the researcher

Tags

NGSS.MS-PS2-2

Which of these is a control variable?

• Rock soaking in acid rain

• Rock soaking in distilled water

• Starting mass of the rocks

• Mass of the rocks after soaking

Which of these is the independent variable?

• Rock soaking in acid rain

• Rock soaking in distilled water

• Starting mass of the rocks

• Mass of the rocks after soaking

Tags

NGSS.MS-PS1-2

Which of these is the dependent variable?

• Rock soaking in acid rain

• Rock soaking in distilled water

• Starting mass of the rocks

• Mass of the rocks after soaking

Tags

NGSS.MS-PS1-2

What is one thing wrong with this experiment set-up?

• More than one variable is being tested at the same time

• There is no way to measure the outcome

• There are too many plants in each group

• The plants receive the same amount of water

Tags

NGSS.MS-PS1-2