What do you know about salt?
Roman empire used salt instead of money.
What does salt do to food?
We use it to flavour food. Also, if you put meat or fish in salt, they stay good for a long time.
There are many different types of rocks. True or False?
False.
How many layers is the Earth made up of?
Three.
Explain the atmosphere.
The atmosphere is made up of air.
Explain the hydrosphere.
The hydrosphere is all the water ob Earth.
Explain the geosphere.
The geosphere is the hard part of the Earth.
Name the inner layer of the geosphere.
Core.
What is the thickest layer of the geosphere?
What are rocks?
The hard part of the Earth is made from rocks.
Name a liquid rock.
Petroleum.
Some rocks, like basalt, are made up of lava from volcanoes. Name the type.
Igneous.
Coal and petroleum, are made from living things after they die. Name the type.
Sedimentary.
Marble is made from limestone. Slate is made from clay. Name the type.
Metamorphic.
Clay is a hard rock. True or False?
False.
What are rocks used for?
Getting energy (pertoleum), building things (brivk), making things.
