HMH: The Formation of the Solar System and Nebular Theory*

Question 1

What factor helped the inner planets be rocky and outer planets be gasses?

Accepted Answer

temperature

Question 2

What causes a spinning nebula to spin faster?

Accepted Answer

shrinking, caused by gravity

Question 3

Which method of data gathering provides evidence of the formation of our solar system?

Accepted Answer

Using telescopes, satellites, and probes to observe our solar system

Question 4

The planets generally move across the night sky in the same direction as the sun, moon, and stars move.

Accepted Answer

True

Question 5

During the formation of the solar system, what force is responsible for the collisions between particles?

Accepted Answer

Gravity

Question 6

Which object in our solar system is most similar to the nebula in composition?

Accepted Answer

The Sun

Question 7

Which scientist theorized that all matter in the universe attracted all other matter through a force called gravity?

Accepted Answer

Sir Isaac Newton

Question 8

What is a difference between the inner and outer planets?

Accepted Answer

Outer planets have more moons

Question 9

What is a nebula?

Accepted Answer

a cloud of dust and gas in space

Question 10

What question should you ask to find out the length of a planet's year?

Accepted Answer

How long does it take the planet to orbit the Sun?

Question 11

The images show a developing planetary system. Which explanation describes the forces to cause it?

Accepted Answer

Gravitational forces between the particles to form the planets and the Sun

Question 12

A solar system contains

Accepted Answer

a star and planets

Question 13

Which planet is the largest

Accepted Answer

Jupiter

Question 14

Why did the nebula start to shrink and spin slowly?

Accepted Answer

a star exploded nearby

Question 15

The nebula flattened out like a disk because ______.

Accepted Answer

it was spinning faster

Question 16

Which statement is provides evidence for the formation of our solar system?

Accepted Answer

All of the above

Question 17

What does a geocentric model mean?

Accepted Answer

Earth centered

Question 18

Which solar system object is the largest?

Accepted Answer

Sun

Question 19

When the solar system was forming it was pulled into what type of shape?

Accepted Answer

Disk

Question 20

Which of the following summarizes the components of the solar system, starting with the center and moving outward?

Accepted Answer

Sun, inner planets, outer planets

Question 21

How did the solar system form?

Accepted Answer

Collapsing nebula

Question 22

The closest planets have thin atmospheres because _____.

Accepted Answer

their gases were burned away by the radiating sun

Question 23

The Milky Way is very large. What measurement do scientists prefer to use when describing distance?

Accepted Answer

Light years

Question 24

Which of the following IS NOT explained by the Nebular Theory?

Accepted Answer

why there isn't a planet where the asteroid belt is located

Question 25

As planets get further away from the star the gravitational pull:

Accepted Answer

Decreases

Question 26

Where is the asteroid belt located?

Accepted Answer

Between Mars and Jupiter

Question 27

Which is the smallest object?

Accepted Answer

Planet

Question 28

A star, before it becomes a star, is called a _____.

Accepted Answer

protostar

Question 29

Other than the Sun, where are most gases found in our solar system?

Accepted Answer

The outer planets

Question 30

The dotted lines show the orbital paths of objects. Which object orbits object E?

Accepted Answer

D

Question 31

This scientist supported the idea that Earth was NOT the center of the solar system and developed the first telescope.

Accepted Answer

Galileo

Question 32

Which object in a solar system exerts the greatest gravitational pull?

Accepted Answer

The star

Question 33

All of the planets move around the Sun in roughly the same plane.

Accepted Answer

True

Question 34

Which word describes a sun centered model of the solar system?

Accepted Answer

Heliocentric

Question 35

Earth has the strongest gravitational pull of all the planets

Accepted Answer

False

Question 36

Why are the rocky inner planets made of heavier, solids?

Accepted Answer

lighter gases got blown away by solar wind

HMH: The Formation of the Solar System and Nebular Theory*

Questions 36

HMH: The Formation of the Solar System and Nebular Theory*

Questions 36