Earth and Space Semester 1 Review

What is the hydrosphere?

• Water
• All water on Earth 
• The Earth's surface
• All life on Earth

What is Earth science?

• the scientific study of chemical mixtures
• the scientific study of Earth and the universe around it
• the scientific study of animal behavior
• the scientific study of life on Earth

__________________ is the scientific study of the universe.

• Geology
• Meteorology
• Astrology
• Astronomy

Which branch of science is most interested in the atmosphere and weather?

• Astronomy
• Ecology
• Biology
• Meteorology

The color of a mineral in powder form is called the mineral's 

• hardness
• specific gravity
• luster
• streak

How light reflects off of a mineral is called the mineral's 

• luster
• streak
• cleavage
• fracture

Why is coal not a mineral?

• It's not a solid
• It is man-made
• It is not inorganic
• It is made of carbon

By definition, a mineral has which of the following characteristic(s)?

• definite chemical composition
• crystal structure
• naturally occuring
• all of the above

A mineral's resistance to being scratched is called?

• streak
• luster
• hardness
• heft

Which of the following properties does the Mohs scale measure?

• Luster
• Hardness
• Density
• Streak