WorksheetsCrystals TedEd Talk
Total questions: 6
Worksheet time: 3mins
What elements make up the mineral galena?
Silicon and oxygen
Potassium, aluminum, silicon, and oxygen
Potassium, aluminum, silicon, and oxygen
Lead and sulfur
How are the atoms generally arranged in crystals?
Randomly
Always in a highly organized, repeating way
Always in a double helix
Scientists have not figured this out yet
What geometric shape does quartz form when it grows as a perfect crystal?
A six-sided column with pointed tips
A cube
An octohedron
Quartz never grows as a geometric shape
Why does glass have a random arrangement of atoms?
The elements that make up glass does not allow its atoms to be arranged in an highly organized, repeating way
The random atomic arrangement of the liquid glass is locked in with fast cooling
The random atomic arrangement of the liquid glass is locked in with quick cooling
Because it wasn’t made by a volcano
What is one important requirement listed below that help allows a growing crystal to form a geometric shape?
The crystal must contain silicon and oxygen
There must be open space for the crystal to grow into
Space must be limited for the growing crystal
The crystal must grow rapidly
What is origin of the shapes of diamond found in jewelry?
The diamond is cut into the shapes seen
The diamond must have grown in the earth’s mantle
The diamond must have grown in the presence of germanium
The diamond must have grown at very high pressure
