Q1 :Write the scientific term:

Second class lever

1 -Levers that have the resistance between the effort force and the fixed point.

Q1 :Write the scientific term:

Lunar eclipse

2 -The type of eclipse that can be seen at night

Q1 :Write the scientific term:

3- An inert gas that is used in the electric lamp.

Argon

Q1 :Write the scientific term:The color of the moon during the starting of the total lunar eclipse

Red

Q1 :Write the scientific term:Materials that allow the electric current to pass through them

Electric conductors

Q1 :Write the scientific term:

The faint outer shadow of the moon

Penumbra

Q1 :Write the scientific term:The phenomenon that occurs two times per year in the middle of lunar month

Lunar eclipse

Q1 :Write the scientific term:

The most popular levers in our daily life

First class lever

Q1 :Write the scientific term:The solar eclipse in which the sun appears as a lighting ring

Annular solar eclipse

Q1 :Write the scientific term:The lunar eclipse in which a part of the moon enters the earth’s umbra

Partial lunar eclipse

Q1 :Write the scientific term:The material that should not be used to put out electric fires

Water

Q1 :Write the scientific term:Levers that have the force between the resistance and the fulcrum

Third type lever

Q1 :Write the scientific term:A form of energy that is used in operating some machines as television

Electric energy

Q1 :Write the scientific term:-Materials not allowing the electric current to pass through them

Electric insulators

Q1 :Write the scientific term:They are levers that have the fixed point between the effort force and the resistance force

First class lever

Q1 :Write the scientific term:A tool used to convert the electric energy into lighting

Electric lamps

Q1 :Write the scientific term:A tool used to convert the electric energy into lighting

Electric lamps

Q1 :Write the scientific term:The eclipse in which the sun disappears completely.

Total solar eclipse

Q1 :Write the scientific term:

A coiled thin wire made of tungsten in light bulbs

Tungsten filament

Q1 :Write the scientific term:The harmful rays emitted from the sun during the solar eclipse

Ultraviolet & Infrared rays.

Q1 :Write the scientific term:A way of connection in the electric lamps that is used to decrease the luminous intensity as their number increases

Series connection

Q1 :Write the scientific term:The area at which the total solar eclipse appears.

Umbra

Q1 :Write the scientific term:The way where the bulbs are connected by branching routes.

Parallel connection

Q1 :Write the scientific term:

The type of levers which always saves effort

Second class lever

Q1 :Write the scientific term:The lever in which the arm of force is equal to the arm of resistance

First type lever

Q1 :Write the scientific term:The type of eclipse which occurs when the moon is in a higher orbit of earth

Annular solar eclipse

Q2 : Put(√) or (×): The penumbra is the moon’s dark inner shadow ( )

(×) Umbra.

Q2 : Put(√) or (×): There is no danger when touching an electric machine with wet hands. ( )

(×) dangerous