Unit 7 Review

Unit 7 Review

8th Grade

•

30 Qs

quiz-placeholder

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Unit 7 Review

Unit 7 Review

Assessment

Quiz

•

Science

•

8th Grade

•

Easy

Created by

Hannah Schwieger

Used 4+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are four groups of stars on the HR Diagram. About 90% of all stars are in the ________.

Supergiants

Giants

White dwarfs

Main sequence

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How can you rearrange the words to match the diagram correctly in terms of sizes in space?

Solar systems in the largest circle, then galaxies, followed by the universe in the smallest circle.

Universe in the largest circle, then galaxies, followed by the solar systems in the smallest circle.

Galaxies in the largest circle, then universe, followed by the solar systems in the smallest circle.

The diagram is already correct.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Analyze this HR Diagram. Which group of stars is considered to have a lower than average luminosity as well as a higher than average temperature?

Giants

Main Sequence

White Dwarfs

Supergiants

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A collection of dust and gas where stars can form is called a...

universe

nebula

black hole

supernova

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Our sun is located near the edge of a ______ galaxy, named the _______.

Spiral shaped; Milky Way

Spiral shaped; Solar System

Elliptical shaped; Milky Way

Elliptical shaped; Solar System

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stars are classified on the HR Diagram by...

luminosity and brightness.

temperature and absolute magnitude (or luminosity).

temperature and apparent magnitude.

temperature and distance.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stars radiate thermal energy through space by a process called _____ where the element _____ is converted into helium.

nuclear fusion; hydrogen

nuclear fusion; lithium

nuclear transfer; hydrogen

nuclear transfer; boron

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