Unit 3 and 4 Review

Which statement best describes stars?

• large planets that are composed mostly of gases

• celestial bodies made up of gas that give off light

• faint dots of light that can be seen from Earth’s surface

• objects that form in the outer parts of the solar system

One physical property of a star is absolute brightness. Which of the following is used in determining the absolute brightness of a star?

• how bright the star actually is

• how bright the star appears to be from the Earth

• the number of prominences the star makes

• the direction the star rotates

Why do other stars appear so much smaller than the sun?

• They are much smaller
• They are so far away
• They are not as bright
• They are dwarf stars

Stars that are very bright, large & burn at the highest temperature

• Blue Giant stars

• Red Giant

• White dwarves

• Proton stars

Tags

NGSS.HS-ESS1-3

Which star is the coldest?

• Yellow Star

• Red Star

• Orange Star

• Blue Star

What is the layer of the sun that we can see from Earth?

• Photosphere

• Chromosphere

• Core

• Corona

Tags

NGSS.MS-ESS1-1

Put the stars in order from coolest to hottest.

• Blue, White, Yellow, Orange, Red
• Red, Orange, Yellow, White, Blue
• Red, Orange, Yellow, Blue, White
• Red, Yellow, Orange, White, Blue

What measurement do we use to measure distances to a star?

• Light Day
• Light Year
• AU
• Kilometer

Characteristics used to classify stars include

• distance, size, and color.
• size, distance, and brightness.
• color, brightness, and distance.
• size, brightness, and temperature.

A very bright star can seem to be dimmer because it is 

• further away
• cooler in temperature
• very close
• batteries are dying