Exam Science Unit3 The Universe Junior6 Part1

The inner surface of glass rube is covered with———–

———connect the fluorescent lamp to the electricity

The fluorescent lamp known as———————–lamp

The inert gas in fluorescent lamp is

——–stay longer than the ordinary electric bulbs

Electric circuit is——————

Electric circuit consists of ———————

——–indicate the passage of electric current

——–is the way in which the light bulbs are connected one after another in one route

Decorative lamps are connected———————–

—————is the type of the base of light bulb which has two pieces of lead

type of the bulb in light bulb—————

the properties of electric lamps is———–

? In parallel connection increasing the number of connecting light the light interest ————

By increase the number of the connected bulbs in series connection the light intensity is————

The lunar eclipse is formed when the earth comes between the sun and……………

Lunar eclipse occurs when Earth is on one straight line with the Moon , the Sun and …………….

The dark shadow area of the Earth is called………..

The lunar eclipse occurs……………………

The lunar eclipse occurs………….. time(s) per year

We can observe the lunar eclipse when the Moon phase is……………

During the start of the total lunar eclipse, the colour of the Moon tends to d. new moon. Be………

………..occurs to the Moon

aWhen the whole Moon enters the shadow area (umbra) of Earth,…………… occurs

The partial lunar eclipse occurs when part of the Moon enters the Earth’s………..

Among the similarities between solar eclipse and lunar eclipse is that each of them…………

When the Moon looks slightly faint, it indicates …………………..

When the Earth prevents all sunlight from reaching the Moon, it forms

The duration of lunar eclipse is…………….

——- used in operating some machines such as radio , t v ,… …

Electric shock happens as your body is———-

The harms of the electric shock depends on ——–

——- example of indirect electric in juries

——–resulting from plugging more than one machine to one socket

—— is used to put out electric fire

——is one of the dangerous of electricity that occur due to passing the electric current through the human body

Human body is good conductor of electricity as it contains ——

———is the burns result from electricity & cause the damage body

——– happens when a purb of your body touches machine that generate heat

To protect children from dangerous electricity ———-

Electric shock occur when ———

Why water isn’t used to put out electric fire?

———is electric insulate

Electric wire must be made from

What is the type of the gas used in the light bulbs——