It is the mineral property measured on the Mohs scale.
What is hardness?
This type of rock is formed from molten material that has cooled and hardened.
What is igneous?
They are resources that can take millions of years to form.
What are fossil fuels?
It is usually made using an "If..., then..." statement.
What is a hypothesis?
This cloud is usually big and puffy.
What is cumulus?
It is the way light is reflected off of a mineral
What is luster?
This type of rock is formed by layers of sediment that are compacted and cemented together.
What is sedimentary?
It is the primary source of renewable energy for the Earth
What is the Sun?
It is the hottest planet, usually reaching temperatures up to 460°C.
What is Venus?
These are the clouds that are at low altitude and produce little to no precipitation.
What is stratus?
It is the way a mineral breaks (i.e. clean, perfect, bad, good, imperfect)
What is cleavage?
This type of rock is created when existing rock is transformed by high heat and intense pressure.
What is metamorphic?
They are resources that are found in nature.
What are natural resources?
It is the body's largest organ.
What is skin?
They are at high altitudes and are made entirely out of ice.
What is cirrus?
You can find this by rubbing a mineral on a porcelain tile or plate.
What is streak (color)?
This type of porous volcanic rock is the only one that can float on water, often rafting for miles.
What is pumice?
They are two renewable energy sources.
What are Solar, Wind, Hydro, Geothermal, or Biomass?
The 5 tallest volcanoes are located in this mountain range.
What are the Andes?
They are towering clouds that are mostly grey at the bottom and produce high amounts of precipitation.
What is cumulonimbus?
It happens to some minerals under a UV light.
What is luminescence?
Because of its extremely high silica content, this volcanic glass can produce an edge far sharper than high-quality surgical steel.
What is obsidian?
This is the cleanest burning fossil fuel.
What is natural gas?
It is the temperature at which Celsius and Fahrenheit are exactly equal.
What is -40°?
They are at high altitudes and appear scattered or patched in the sky.
What is cirrocumulus.