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Jouer Froggy Jumps
1. Where do metals come from?
A
Earth’s crust with minerals
B
Earth's mantle with rocks and minerals
C
Minerals
2. What does ferrous metals contain?
A
Copper
B
Paper
C
Iron
3. You can recycle it:
A
To a clean point
B
Directly to the bin
C
To the floor
4. All metals are hard except:
A
Sodium and potassium
B
Iron and copper
C
Diamond and gold
5. ... and ... are the two best conductors of heat
A
Silver and iron
B
Silver and copper
C
Gold and copper
6. The first step of making metal is:
A
Crushing
B
Reclaim
C
Screening
7. Adistinguishing feature of non-ferrous metals is that they are:
A
Highly malleable
B
Poor conductors of heat
C
They come from Ore
8. Metals have ... and boiling points.
A
Low melting
B
A lot of pressure
C
High melting
9. ---: Metals can be drawn into wires.
A
Ductility
B
Crashing
C
Melting and Boiling Points
10. What is a disadvantage?
A
It lasts a long time
B
It can be corrode and oxide
C
It can be recycle