Question

Find out the correct meaning for the given words (4)

7. Circuit

i.

A closed path through which electrons flow.

ii.

Combined atoms of two or more elements.

iii.

In an experiment, a factor that does not change.

iv.

A push or pull one body exerts on another.

8. Combustion

i.

Rapid burning.

ii.

A refrigerant gas used in refrigerators and air conditioners.

iii.

An instrument used to detect electric currents.

iv.

Thermal energy that flows from a warmer material to a cooler material.

9. Ductile

i.

The human perception of sound intensity.

ii.

Ability of metals to be pulled into wires

iii.

Negatively charged particles that move around the nucleus of an atom.

iv.

Fats, oils, and related organic compounds.

10. Neutron

i.

Atomic particle with no charge that is part of an atom's nucleus.

ii.

A table of the elements arranged according to repeated changes in properties.

iii.

A horizontal row in the periodic table.

iv.

The amount of force exerted per unit of area​

Answer 1

Answer:

7. Circuit - i.A closed path through which electrons flow.

8. Combustion - i.Rapid burning.

9. Ductile - ii.Ability of metals to be pulled into wires.

10. Neutron - i.Atomic particle with no charge that is part of an atom's nucleus.