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U4. Properties of materials
Author :
tekno TEKNESO
1.
A raw material is any object created by humans to satisfy their needs and improve their standard of living.
A.
TRUE
B.
FALSE
2.
Materials are substances that are extracted directly from natural objects
A.
TRUE
B.
FALSE
3.
Raw materials are materials transformed used for manufacturing.
A.
TRUE
B.
FALSE
4.
The three main groups of raw materials come from animal, vegetable and stone origin .
A.
TRUE
B.
FALSE
5.
If a material is transformed through chemical processes, this substance only changes its state.
A.
TRUE
B.
FALSE