Classifying materials and testing their properties (2)

is the amount of light that a material allows to pass through.

• Transparency

• Transparent materials

• Translucent materials

• Opaque materials

are materials that allow some light to pass through.

• Transparency

• Transparent materials

• Translucent materials

• Opaque materials

are materials that allow almost all the light to pass through.

• Transparency

• Transparent materials

• Translucent materials

• Opaque materials

are materials that do not allow any light to pass through.

• Transparency

• Transparent materials

• Translucent materials

• Opaque materials

is the ability of a material to withstand scratches.

• Magnetism

• Hardness

• Magnetic materials

• Non-magnetic materials

is the ability of a material to be magnetized by weak magnetic fields.

• Magnetism

• Hardness

• Magnetic materials

• Non-magnetic materials

are materials that can be attracted by magnets.

• Magnetism

• Hardness

• Magnetic materials

• Non-magnetic materials

are materials that cannot be attracted by magnets.

• Magnetism

• Hardness

• Magnetic materials

• Non-magnetic materials