Crystals

Which of the following is a way that crystals can form in nature?

• When liquids cool and start to harden.

• When magma cools.

• When water evaporates from a mixture.

• All of the above.

What state or phase of material are crystals?

• Gas

• Plasma

• Liquid

• Solid

Tags

NGSS.MS-PS1-4

What is a crystal?

• A pure material that can’t be changed.

• Material with a regular,repeating arrangement of atoms.

• A foggy like material.

Which of the following best describes a crystal?

• Molecules fit together in a random pattern.

• Molecules fit together in a repeating pattern.

Crystallization is the process by which ______________ are arranged to form a material with a crystal structure.

• atoms

• elements

• rocks

• shapes

Tags

NGSS.MS-PS1-1

Halite and Galena are examples of this crystal shape?

• Cubic

• Hexagonal

• Triclinic

• Monoclinic

Molecules that have a crystalline structure

Tags

NGSS.MS-PS1-1

The crystal in the image belongs to which crystal system?

• Triclinic

• Monoclinic

• Hexagonal

• Isometric

Crystals that exhibit well-formed crystal faces are referred to as

• euhedral

• pristine

• anhedral

• subhedral

Tags

NGSS.MS-PS1-1

Classify the shape of the crystal

• Hexagonal

• Isometric/Cubic

• Monoclinic

• Basic

Tags

NGSS.MS-PS1-1