The inner most layer of the earth
What is the inner core
What is the Milky Way
What is a cave
This is the largest star in our solar system
What is the sun
This is the third planet from the sun
This type of rock is formed when molten rock solidifies.
What is igneous rock
A star system containing from millions to billions of stars
What is a galaxy
What do we call the study of caves?
What is the speleology
This is the eighth planet from the sun
What is Neptune
This is the brightest planet
What is Venus
This is the hardest of all known substances
What is a diamond
This type of galaxy, which includes the Milky Way, look like giant pinwheels spinning through the void of space
What is a spiral galaxy
These thick, icicle-shaped formation of dissolved minerals shaped like thin hollow tubes, hang from the ceiling of a cave
What are stalactites
This is what the earth spins on
What is the earth's axis
This is often referred to as the red planet
What is Mars
This type of rock is a cemented skeleton of microscopic sea animals
What is chalk
Name the 2 regions that constellations can be seen within
What is the northern and the southern constellations
A steep mound or spike of minerals that forms on the surface of a cave and forms a spike or mound
What is a stalagmite
A very useful material commonly found in sedimentary rocks
What is coal
This planet was discovered by William and Caroline Hershel
What is Uranus
These rocks are made up of layers like the leaves of a book.
What is foliated rock
These are large clouds of gas and dust that float through space and can be very beautiful
What are nebulae
Animals that make their homes in caves
What are trogloxenes
Name how many miles earth is away from the sun
What is 93,000,000 miles
Name two of the dwarf planets
What is Makemake, Eris, Ceres, Pluto or Humea