Rocks and Minerals
A rock is a non-living material made up of different types of?
Minerals
What is geology?
The study of the earth.
What are the layers of the Earth.
Inner Core Outer Core Mantle Crust
The way mineral reflects light from its surface is called?
Lustre.
A measure of a minerals resistance to scratching is called.
Hardness.
What is a mineral?
Minerals are a pure and made of the same substance throughout.
What is the Earth's crust made up of?
rock
What are the 3 different types of rocks?
igneous, sedimentary and metamorphic
There are two types of lustre _____________ and ________________.
metallic and non-metalic
A minerals that is rare, beautiful, usually transparent, and glitters or shines in the light is called?
Gem.
What do geologists do?
Geologists are scientists who study the Earth and everything that makes it up (e.g., rocks and minerals, landforms, fossils etc).
Which minerals is the most resistant to scratching?
Diamond.
Name two things they used rocks for in the Stone Age.
weapons tools fire pits caves stools
What are the three types of rocks.
Igneous, sedimentary, metamorphic
Which mineral is the pencil core made up of?
Graphite.
What is a gemstone?
The best and most beautiful art of a mineral's crystal.
What is the rock cycle?
The rock cycle is the continuous process that forms, alters and reforms rocks.
What did they do to rock in the Bronze Age.
They mixed them with metals to create stronger materials for building.
Name two examples of how we use rocks and minerals in our everyday lives.
Answers will vary.
What is the difference between a rock and a mineral?
Rocks are made up of 2 or more minerals. Minerals are made up of the same substance throughout.
List at least 4 properties of minerals.
Color, streak, lustre, magnetism, transparency and hardness.
How is igneous rock formed?
Igneous rocks have formed through the cooling and hardening of lava and magma.
How are sedimentary rocks formed?
Sedimentary rocks are formed from other pieces of existing rocks that get compacted tightly and form a rock.
What did they learn to make in the Iron Age.
They learned how to make tools out of metal.