Combining materials Flashcards
1
Q
How is concrete made?
A
Cement is mixed with sand, gravel and water.
2
Q
What is GYPSUM?
A
Another name for Plaster of Paris. The white powder is mixed with water and then sets to a hard product.
3
Q
How are bricks made in the rural areas?
A
They are made from clay, animal dung and straw mixed with water.
4
Q
How are bricks made in an industrial setting?
A
Rock and coal are ground into fine particles and mixed with water. The mixture is compressed and fired at 600-900 degrees Celsius.
5
Q
Define DISSOLVE.
A
Mixes completely with water.
