Classify the following objects based on the given properties and complete the table.

Objects Transparency Conductivity

Glass piece

Thermocol box

Iron nail

Copper wire

Butter paper

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Solution

The ability of a material to pass light through it is called transparency.
Conductivity is the ability of a material to allow heat and electricity to pass through them.

The given objects can be classified as shown below:

Objects Transparency Conductivity

Glass piece Transparent Insulator

Thermocol box Opaque Insulator

Iron nail Opaque Conductor

Copper wire Opaque Conductor

Butter paper Translucent Insulator

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Similar questions

Q. Classify the following into good conductors, resistors and insulators:

Rubber, Mercury, Nichrome, Polythene, Aluminium, Wood, Manganin, Bakelite, Iron, Paper, Thermocol, Metal coin

Q.
During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table below. Help them in filling the Table.

Name of the material

Appearance (Hard/soft)

Transparency

(Transparent/Translucent/

Opaque)

Floats/ Sinks in water

Soluble/ Insoluble in water

Question 18

During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table. Help them in filling the table.

$\begin{matrix} Name of the & Appearance & Transparency & Floats/Sinks & Soluble / Material & (Hard/Soft) & (Transparent / & in water & insoluble in Translucent/Opaque) & Water . . . . . . . . . . & . . . . . . . . . . & . . . . . . . . . . & . . . . . . . . . . & . . . . . . . . . . . . . . . . . . . . & . . . . . . . . . . & . . . . . . . . . . & . . . . . . . . . . & . . . . . . . . . . \end{matrix}$

Classify the following as combustible and non-combustible substances- Paper, iron nails, cloth, glass.

Classify the objects or materials given below as opaque, transparent or translucent, luminous or non-luminous:

Air, water, piece of rock, sheet of aluminium, mirror, wooden board, sheet of polythene, CD, smoke, sheet of plane glass, fog, piece of red hot iron, umbrella, lighted florescent tube, wall, sheet of carbon paper, flame of a gas burner, sheet of cardboard, lighted torch, sheet of cellophane, wire mesh, kerosene stove, sun, firefly, moon.

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Objects	Transparency	Conductivity
Glass piece
Thermocol box
Iron nail
Copper wire
Butter paper

Classify the following objects based on the given properties and complete the table. Objects Transparency Conductivity Glass piece Thermocol box Iron nail Copper wire Butter paper

Classify the following objects based on the given properties and complete the table.

Objects Transparency Conductivity

Glass piece

Thermocol box

Iron nail

Copper wire

Butter paper