Stars Topic 12 Lesson 3 Review

Abdul is creating a timeline of a star’s life, including its beginning, middle, and end. Abdul found a picture to include of the region around a star before its formation begins. What does it look like?

• sun

• protostar

• nebula

• nuclear fusion

Order the events from the beginning of a star’s formation until just before it has fully formed.

• 1. A large cloud of gas and dust exists. 2. Gravity pulls gas and dust together. 3. A protostar is formed. 4. Nuclear fusion begins.

• 1. Gravity pulls gas and dust together. 2. A protostar is formed. 3. A large cloud of gas and dust exists. 4. Nuclear fusion begins.

• 1. A protostar is formed. 2. A large cloud of gas and dust exists. 3. Gravity pulls gas and dust together. 4. Nuclear fusion begins.

• 1. Nuclear fusion begins. 2. A protostar is formed. 3. Gravity pulls gas and dust together. 4. A large cloud of gas and dust exists.

Tags

NGSS.MS-ESS1-2

In the paragraph below, select a word from each of the word banks to correctly complete the sentences. Like any living object, a star has a life span with a beginning, middle, and end. Abdul’s show ends with a discussion on how long a star lasts. Our sun is a (1) ______________ star that will last approximately (2) ______________ years.

• (1) medium-massed (2) 10 billion

• (1) medium-massed (2) 1 million

• (1) small-massed (2) 100 thousand

• (1) red giant (2) 100 billion

Tags

NGSS.HS-ESS1-1

Maria wrote a report on the different stages of a star after visiting the planetarium. A star takes on several different forms as its nuclear fusion slows. Which of the choices correctly lists the stages of a star at the end of its life?

• super giant, planetary nebula, white dwarf

• super giant, supernova, white dwarf

• red giant, supernova, white dwarf

• red giant, planetary nebula, white dwarf

All stars are spheres of super-hot gas, so astronomers must use specific properties to differentiate stars. Which of these properties are used to classify stars? Choose the four properties that apply.

• temperature

• color

• size

• shape

• absolute brightness

What two elements are stars mostly made up of?

• Iron and Nickel

• Oxygen and Hydrogen

• Hydrogen and Helium

• Carbon and Helium

Tags

NGSS.HS-ESS1-3

A cloud of dust in space is called

• a star

• nebula

• protostar

• Newton dust

Which of the following is possible during the life cycle of a star?

• Red Giant

• Super Nova

• Black Hole

• All of the Above

Tags

NGSS.HS-ESS1-3

Why does the sun appear to be the largest star in our sky?

• It is the largest star

• It's the closest star

• It's the hottest star

The hottest stars are this color:

• Red

• Blue

• Yellow

• White