Science Basics
Soil & Weathering
Mineral Mania
Rock Stars
Earth in Motion
Science Challenge
100

What term describes how much matter is in an object?


Mass

100

Which imaginary lines measure distance north or south of the equator?


Lines of latitude

100

What is the color of a mineral in powdered form called?


 Streak

100

What are the three basic types of rock?


 Igneous, sedimentary, and metamorphic

100

What is Earth's outermost layer of rock called?


The crust

100

 What is the formula for density?


Density = mass divided by volume

200

What is a unit created by mathematically combining simpler units?


Derived unit

200

What is the movement of water through pores in soil or rock called?


Answer: Percolation

200

What property describes the way a mineral shines when light hits it?


Luster

200

What type of sedimentary rock forms from fragments of preexisting rocks?


Clastic sedimentary rock

200

What is the ancient supercontinent called?


Pangea

200

A mineral bubbles when exposed to acid. What property is being observed?


Effervescence

300

 What does a chemical formula tell us?


The number of atoms of each element in a substance.

300

 What process transports rock and soil to a different location?


Erosion

300

What is the tendency of a mineral to break along flat surfaces called?


Cleavage

300

What process turns sediment into sedimentary rock?


 Lithification

300

What is the process of tectonic plates splitting apart at mid-ocean ridges?


Seafloor spreading

300

What type of rock forms when magma cools deep underground?


 Intrusive igneous rock

400

A building measures 15 meters long, 10 meters wide, and 3 meters tall. What is its volume?


450 cubic meters

400

Which soil horizon contains the parent material of soil?


The C-horizon

400

 A mineral is weakly attracted to a magnet but cannot become a magnet. What is it called?


Paramagnetic mineral

400

 Which type of metamorphic rock forms from both intense heat and pressure?


 Regional metamorphic rock

400

What type of plate boundary occurs when two plates slide alongside one another?


Transform boundary

400

What is a contact between igneous or metamorphic rock and sedimentary rock above it called?


Nonconformity

500

An object has a mass of 135 grams and a volume of 147 milliliters. What is its density, and will it float in water?


0.92 g/mL; yes, it will float.

500

What is the difference between uniformitarianism and catastrophism?

.

Uniformitarianism emphasizes slow, gradual processes. Catastrophism emphasizes large-scale catastrophic events

500

A ruby has a mass of 0.75 grams. How many carats is it if one carat equals 0.2 grams?


3.75 carats

500

What principle states that in an undisturbed series of rock layers, the oldest layer is at the bottom?


 Principle of Superposition

500

What process occurs when one tectonic plate is forced beneath another?


Subduction

500

 Explain the difference between divergent, convergent, and transform plate boundaries.

.

 Divergent plates move apart; convergent plates move toward each other; transform plates slide alongside each other

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