WorksheetsTough Stuff: Homework
Total questions: 25
Worksheet time: 13mins
The Mohs scale measures:
the quality of diamonds
the size of minerals
the hardness of minerals
the weight of diamonds
Diamonds are made from:
gypsum
carbon
lead pipes
talcum
By the time a diamond reaches the Earth's surface,
it has turned into carbon
a volcano will be formed
it will have become a gem
it will be billions of years old
A mineral can scratch any other mineral that is listed below it on the Mohs scale.
True
False
Diamonds are measured in grams.
True
False
A mineralogist is someone who sells diamonds.
True
False
Most diamonds are used in jewelry.
True
False
Diamonds are brought up to the surface by special volcanoes.
True
False
Without pressure and heat, diamonds will not be formed.
True
False
The hardest natural substance on Earth is gypsum.
True
False
Diamond comes from the Greek word "adamas" which means unbeatable.
True
False
It takes billions of years to create a diamond.
True
False
Diamonds are carried to the Earth's surface by:
excavation trucks
volcanoes
rivers
geysers
Who is the German scientist who invented the Mohs scale?
Eric Mohs
Gerald Mohs
Friedrich Mohs
Gilbert Mohs
What is the softest mineral in the Mohs scale?
diamond
lead
gypsum
talc
What are the other uses of diamonds aside from jewelry?
they are used in making hammers
they are used to make bags
the are used to make the edges of saw blades
they are used to make walls
What is a solid element or compound that is found naturally on Earth? It does not contain living matter.
element
mineral
rocks
gravel
What do you call a scientist who studies rocks and minerals?
geologist
mixologist
seismologist
mineralogist
Which of the following words describes something that is not made or changed by human beings?
artificial
natural
synthetic
basic
For millions of years, heat and pressure work together to change bits of _________ into diamonds.
iron
carbon
lava
sand
What do you call a valuable stone that is cut and polished for decoration?
copper
pearl
crystal
gem
Diamonds are measured in _________, a kind of weight.
grams
kilograms
carats
karats
The ____________ is one of the largest diamonds ever found.
Elizabeth Diamond
Cartier Diamond
Gaultier Diamond
Cullinan Diamond
Diamonds are formed deep below the Earth's surface, nearly _______ underground.
50 miles
1000 miles
250 miles
100 miles
_______ are compounds that contain at least two, sometimes several, different minerals.
Gems
Rocks
Sand
Coins
