science

science

The universe

types of eclipse

Solar and lunar eclipse

the definition of solar eclipse

• astronomical phenomenon occurs when Sun, Moon and Earth are on one strait line.

• it occurs in the morning only

Note

1-The Earth revolves around the Sun in an oval orbit

2- At the same time, the moon revolves around the Earth in a smaller oval orbit 

Multiple Choice

The solar eclipse occurs

• all day

• at night

• in the morning only

• during the day and the night

types of solar eclipse

total, partial and annlar

types of solar eclipse

• total solar eclipse, partial solar eclipse

• annular solar eclipse

Annular solar eclipse

You can see the sun as lighted ring,

where the Moon is in a higher orbit (far) from earth

-Size of moon seems smaller than sun size

Multiple Choice

The total solar eclipse occurs in .............area

• umbra area

• penumbra area

• semi shadow area

Multiple Choice

The semi shadow area is called ...............

• umbra area

• penumbra area

• dark shadow area

precautions during watching the solar eclipse

1 -Don’t look directly at the sun during the eclipse. G.R

Bec. The outer solar corona emits harmful rays

 ( ultraviolet and infrared) .

These rays affect the eye in general or the retina

2 -Use special sunglasses that are designed for sol