Introducing the Solar System Pearson Ch 3 Lesson 2

Question 1

What did our solar system form from?

Accepted Answer

a cloud of hydrogen, helium, rock, ice and other materials

Question 2

one AU is equal to the average distance between

Accepted Answer

the sun and Earth

Question 3

The sun, the planets, their moons, and a variety of smaller objects

Accepted Answer

solar system

Question 4

Planets are objects that

Accepted Answer

all of the above

Question 5

An object that orbits the sun, is spherical but has not cleared the area of its orbit

Accepted Answer

dwarf planet

Question 6

The planets in oder of increasing distance from the sun is

Accepted Answer

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

Question 7

What makes up our solar system?

Accepted Answer

all of the above

Question 8

Which of the following is not an inner planet?

Accepted Answer

Neptune

Question 9

The solar system formed as_______ pulled together rock, gas, ice and other materials.

Accepted Answer

gravity

Question 10

Used to measure distance within the solar system

Accepted Answer

astronomical unit

Question 11

About 99.85 percent of the mass of the solar system is contained within the

Accepted Answer

sun

Question 12

When was the solar system formed?

Accepted Answer

4.6 billion years ago

Question 13

What is at the center of our solar system?

Accepted Answer

sun

Question 14

What holds the solar system together?

Accepted Answer

gravity

Question 15

Which of the following is an outer planet?

Accepted Answer

All of the above

Question 16

small body that combined with like bodies to form all the objects in our solar system

Accepted Answer

planetesimal

Questions 16