Properties of Stars Review

The hottest stars appear as what color? 

• red
• yellow
• blue
• white

A star is defined as a(n) _________. 

• bright, shining ball of gas in the sky
• large planet that is very hot
• ball of matter held together by gravity that gives off energy
• a ball of energy

The two main elements that make up a star are ________. 

• hydrogen and neon
• helium and oxygne
• hydrogen and carbon
• hydrogen and helium

Scientists can determine the composition of a star through the process of _______. 

• spectroscopy
• telescopes
• guessing
• astronomy

Spectroscopy studies the ________________ produced by elements in stars. 

• composition
• spectrum of light
• energy
• brightness

Very hot stars emit light in the form of _____________. 

• energy
• red shift
• short wave radiation
• long wave radiation

Stars that burn at cooler temperatures are what color? 

• red
• yellow
• blue
• white

Scientists are able to determine stellar mass by __________. 

• weighing the mass of stars
• looking at stars through telescopes
• studying binary stars
• guessing

The mass of a star is known as its __________. 

• weight
• mass
• stellar mass
• density

Scientists can determine the temperature of a star by looking at its ________. 

• size
• mass
• energy 
• color