Chapter 24 Section 3&4

1.

2 points

How many moons does Pluto have?

none

three

two

one

2.

2 points

Which of Jupiter's four largest moons is the most volcanically active?

Europa

lo

Ganymede

Callistro

3.

2 points

Scientist theorize that Jupiter's core is?

made of hydrogen and helium

made of water vapor

Rocky

made of ammonia and methane

4.

2 points

What do scientist think is the cause of Uranus's tilted orbit?

It's a result of its distance from the Sun

It collided with another object in space

The temperature out in space caused the planet to tilt

It was created that way

5.

2 points

What is a meteorite?

an asteroid that strikes Earth

a dust ball that strikes Earth

a meteoroid that strikes Earth

a comet that strikes Earth

6.

2 points

What is the difference between meteors and comets?

Comets are made of frozen ice and rock and meteors are made of rocks

Most comets are found outside the solar system, and meteors are found within

Meteors can burn up as they enter a planet's atmosphere ad comets rarely enter a planet's atmosphere

all of the above

7.

2 points

Which of Jupiter's four largest moon's oceans do scientist hope to explore in the near future?

Callisto

Ganymede

Europa

lo

8.

2 points

How many known moons orbit Jupiter

10

7

17

16

9.

2 points

A meteorite formed Barringer Crater. Why don't meteorites strike Earth more often?

Meteoroids in the solar system mostly fall to the surfaces of the outer planets

Meteoroids usually get pulled into Earth's orbit instead of falling to the ground

Earth's gravitational pull usually is not strong enough to capture meteoroids

Most meteors burn up in Earth's atmosphere before they can reach the surface

10.

2 points

How can Saturn be the second largest planet, as well as the lowest in density?

It is composed mostly of hydrogen and helium

It is made mostly of water vapor

It is composed mostly of methane and ammonia

It is made of a large, rocky core

11.

2 points

A(n) _________ is composed of dust and rock particles mixed with frozen water, methane, and ammonia

comet

meteoroid

asteroid

meteorite

12.

2 points

In what direction do comet tails point?

away from the Sun

toward Earth

toward the Sun

away from the Oort Cloud

13.

2 points

The Great Red Spot on Jupiter is?

a tremendous storm

an ocean of liquid hydrogen

a mountain range

a volcano