Show:
The Earth
Soil
Rocks
Minerals
Properties of Rocks
100
What is the name of the centre of the Earth?
The Core.
100
What is clay?
A material that holds water and can be shaped easily when wet. It is hard when dry.
100
What are rocks made out of?
Minerals
100
What are minerals?
Pure substances (aka. not a mixture, like rocks).
100
What is shape?
The form of a rock.
200
What is the name of the outside of the Earth?
The Crust
200
What is Humus?
A mixture of leaves, twigs, small animals or other decayed substances. It is a topsoil and has lots of nutrients.
200
Who are geologists?
People who study rocks.
200
Name one mineral.
Ex. Ruby, Diamond, Sapphire.
200
What is colour?
The outer/ inner colour of a rock.
300
What is the name of the layer of the Earth underneath the crust?
The Mantle.
300
What is Silt?
Very small broken pieces of rocks.
300
What are the 3 types of rocks?
Igneous, Metamorphic and Sedimentary.
300
Are minerals ussually more valuable than rocks (yes or no)?
Yes
300
What is luster?
If a rock is shiny or dull.
400
What are two of the three things that we have studied that make up the Earth's crust?
Rocks, Minerals and Fossils.
400
What is Sand?
Very tiny grains of rock. It is larger than sand.
400
Name 3 things made from rocks and minerals.
Houses, buildings, bridges, tunnels, statues, roads, dams, sidewalks, chalk, jewelry, gravestones and pottery.
400
Minerals are always clear (true or false)?
False
400
What is hardness?
If a rock is hard or soft.
500
What is the hottest part of the Earth?
The Core.
500
What is rock?
Minerals combined together. It is larger than all other kinds of soils.
500
How are Igneous, Metamorphic and Sedimentary rocks formed?
Igneous rocks are formed by volcanoes, Sedimentary rocks are formed by pieces of rocks in rivers, lakes and oceans that are pressed together and Metamorphic rocks are Sedimentary and Igneous rocks that have changed by very high heat.
500
Minerals are smaller than rocks (true or false)?
False
500
What is texture?
If a rock is rough or smooth.