Scientific Principles T-Levels

What is the SI Unit for time?

• s

• m

• k

• m/s

What is the SI Unit for thermodynamic temperature?

• s

• m

• k

• N

What is the SI Unit for current?

• s

• A

• K

• m

What is the SI Unit for mass?

• k

• s

• A

• kg

What is an alloy?

• A mixture of plastics and metals

• Metal derived directly from the ore

• Thermosetting metal

• A mixture of two or more metals

A ferrous metal...

• Is prone to ferrous oxide

• Is not prone to ferrous oxide

• Can not be remoulded once set

• Is impervious to heat transfer

Metals such as aluminium, chromium and zinc are more anodic metals than copper or gold. This means that they are more likely to suffer electrolytic corrosion and is represented by their placement in the...

• Pop charts

• Electromotive series

• Mohs scale

• Sacrificial anode scale

UV and heat damage is likely to weaken and deform which material the most?

• Wood

• Metal

• Concrete

• Plastic

The ability to withstand tension from being stretched is known as...

• Compressive strength

• Shear strength

• Tensile strength

• Ductility

Newton's Third Law defines a force as anything that causes an object to accelerate. What is the equation to use to find force?

• F= m/s

• F= ma

• F= N/m2

• F= m/s/s