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WorksheetsScience 5
Total questions: 12
Worksheet time: 6mins
Gigantic balls of very hot gases that give off radiation :
Stars
Moon
Arrange the following types of stars from biggest star to smallest star:
Red Giant star , Sun , Blue super giant star
Blue super giant star , Red giant star , Sun
Characteristics of the sun is :
Fiery ball of hot gases
Has no hard surface
All of the above
Characteristics of the sun is :
The outer part of the sun is about 5,500 C
The inner part of the sun is about 15,000,000 C
Both answers
The outer most layer of the sun is :
Chromosphere
Corona
It is the hottest part of the sun and it is in the middle of the sun :
Core
Photosphere
Corona
They may be the size of earth or larger ,they look dark because they are not hot as the rest of photosphere :
Sunspots
Core
Corona
It is one type of the solar eruptions , it look like a ribbon of glowing gases .
It may appear and then disappear in a few days or months
Prominences
Solar flares
It is one type of the solar eruptions , Its similar to volcanos on earth . It causes a bright spot in the chromosphere that may last for minutes or hours :
Prominences
Solar flares
Is a group of stars that forms a pattern :
Constellation of stars
Sun
Moon
The star pattern called the little dipper contains a star called :
Polaris
North star
Both of them
Suppose you looked at the sky early one evening and found the big dipper when you looked two hours later , the big dibber seemed to have moved toward the west , Because of
Spinning of the earth around its own axis
Motion of stars in the sky
Motion of the sky
