Properties
I am a solid natural material made from nonliving substances in the ground. What am I?
Mineral
I am a rock that forms from sediments. What am I?
Sedimentary rock
Igneous rocks form as ________cools and hardens.
Lava
Metamorphic rocks are formed when sedimentary and igneous rocks change because of _________ and _________.
Heat and pressure
I am what minerals are made of. What am I?
Elements
Sedimentary rocks are made from materials that have been...
Compacted (pressed) and cemented together
Igneous rocks that forms from magma inside the Earth are called...
Intrusive
The shape, size, or location of _______ can change under heat and pressure.
Crystals
I am the color of the powder left when a mineral is rubbed on a rough surface. What am I?
Streak
Smaller, rounded rocks that have been cemented together are called...
Conglomerate rocks
Intrusive igneous rocks often contain large...
Crystals
Give some examples of metamorphic rocks
I am the way that a mineral reflects light (I make things shiny). What am I?
Luster
These types of rocks can be used for...
Buildings, statues, other decorations, concrete
Igneous rocks that form from lava on Earth's surface are called...
Extrusive
How can rocks be used in your neighborhood?
Patios, decorations, driveways, walls, building materials
I am how well a mineral resists scratching. What am I?
Hardness
What is it called when rocks form and change into other types of rocks?
True or false...extrusive rocks form very small crystals.
True
Minerals and rocks can be identified by their _______.
Properties